|
SR No. |
Particulars |
|
S&T-Alarm001 |
Automatic Night Lamp with morning alarm |
|
|
This circuit serves dual purpose, depending upon
intensity of light rays detected. One part of the
circuit automatically detects darkness to switch
‘ON’ a white bright LED which acts as night lamp.
Its another part senses daylight to switch on a
melodious music in the morning. No external DC power
supply is required,as the circuit operates on direct
AC power supply line. But , provision for battery
backup is provided to power the circuit in case of
mains failure. |
|
S&T-Alarm002 |
Burglar Alarm (EP-3) |
|
|
This circuit sounds a loud alarm in the case of an
unauthorised entry. Wire loop gets broken whenever
such an attempt is made. |
|
S&T-Alarm003 |
Fire Alarm (9301) |
|
|
This fire alarm uses a DR25 diode as sensor to sense
fire and activate a loud alarm. |
|
S&T-Alarm004 |
Intruder Alarm |
|
|
This circuit automatically activates a loud alarm
whenever any unauthorized entry is attempted. To
reset the circuit, there is no need to replace the
broken wire or to turn OFF the unit, as is the case
with other security alarms. The alarm can be turned
OFF just by a simple flick of a switch.The unit
power on Identification by LED use also provided
here forbetter monitoring. |
|
S&T-Alarm005 |
Knock Alarm (0211) |
|
|
This circuit converts knock on door, car’s
dashboard, drawer, etc into a loud alarm using a
loudspeaker. It can also be used to warn you of any
unauthorised entry during night time, if installed
at your doorstep. |
|
S&T-Alarm006 |
Power failure resumption alarm |
|
|
This circuit sounds an alarm whenever AC mains fails
or resumes. It can be easily installed where you
want to monitor the status of the mains supply. |
|
S&T-Alarm007 |
Power Supply Failure Alarm (0107) |
|
|
This circuit indicates power supply failure by
sounding a buzzer. No external DC supply is required
and power-on condition is indicated by an LED. Time
duration can be varied with little modifications. |
|
S&T-Alarm008 |
Smoke Alarm (0112) |
|
|
This smoke detector employs a photo interrupter
module that activates an audio alarm via a
loudspeaker. The sensitivity can be easily adjusted
by varying the preset. |
|
S&T-Alarm009 |
Fire Alarm (9V) |
|
|
Here is a simple fire alarm circuit build around 555
timer IC a reverse biased germanium diode DR 25 is
used as a heat sensor. |
|
S&T-Alarm010 |
Musical Siren Alarm (3V) |
|
|
This is musical siren without using IC operated by 2
transistor. |
|
S&T-Alarm011 |
4 Led Water Level Indicator with Alarm(6V)(New)(CD
4066) |
|
S&T-Alarm012 |
Musical Buglar Alarm / Doorbell (LDR Operated ) (3V) |
|
|
This circuit can operate as a light activated
burglar alarm by the addition of preset and LDR. |
|
S&T-Alarm013 |
Stop Thief (Buglar Alarm for Car ) (12V) |
|
|
This is simple circuit designed for car which
protect your car from thief's with engine trouble. |
|
S&T-Alarm014 |
Molestation Alarm (9V) |
|
S&T-Alarm015 |
Fridge Alarm (12 V) |
|
|
This is simple LDR circuit designed for Fridge or
Freezer which give alarms or sound when your door of
fridge are not properly closed. |
|
S&T-Alarm016 |
Musical Visitor's / Intruder Alarm (3V) |
|
|
It is simple circuit to monitoring intruders by
using proximity magnetic switches. |
|
S&T-Alarm017 |
Infrared INT Alarm (Long Range) (12V) |
|
S&T-Alarm018 |
Knock / Earth Quake Alarm (9V)(New) |
|
S&T-Alarm019 |
Smoke Alarm (NE 555) |
|
S&T-Alarm020 |
Door Opening Alarm (New) |
|
S&T-Auto001 |
Electronic Auto Dipper |
|
|
While driving at night, the high beam of head light
lamp of vehicle approaching from opposite direction
causes the problem of glare for both the drivers.
This circuit solves the problem by making the dipper
action automatic. As soon as it senses the light
rays coming from opposite direction it automatically
turns lamps from High to Low intensity. |
|
S&T-Auto002 |
4 Sound Car Reverse Horn (UM 3561) 3V |
|
S&T-Auto003 |
Electronics Car Horn ( 810 + 555 ) ( 6 - 18 V ) |
|
|
This is a simple & at low cost project designed for
car using TBA 810+555 chip. |
|
S&T-Auto004 |
Car Reverse Horn (UM 66T / L) (12V ) |
|
|
This is a easy project designed for Car Reverse
Horn. |
|
S&T-Auto005 |
Multitune Car Reverse Horn (12V) (UM3482) |
|
|
Produce 12 different tunes for Reverse Horn. |
|
S&T-Auto006 |
Scooter Brake Horn ( UM 66T/L ) |
|
|
This circuit using UM66 melodious warning Brake
Horn. |
|
S&T-Auto007 |
Brake Light Monitor (12V) |
|
|
This tiny circuit keeps watch on brake indicator |
|
S&T-AV001 |
Condenser MIC Amplifier (EP-7) |
|
|
Mic sound amplification with both fixed and variable
outputs can be obtained using this kit. The
two-stage amplifier is capable of providing
sufficient gain to pick up even the slightest
whisper. |
|
S&T-AV002 |
VHF/UHF Modulator (12v-15v)(7805) |
|
|
This circuit will modulate a video signal into an
R.F. carrier to give a signal that may be fed direct
to the aerial socket of a VHF or UHF TV. |
|
S&T-AV003 |
Multi Melody Generator with Instrumental Effect
(0606) |
|
|
This versatile melody generator is capable of
generating various English and Hindi version
melodies using UM3481A and WR630173 tone generator
respectively. Instrumental effects can also be
produced with the same circuit. |
|
S&T-AV004 |
Video Amplifier (12V)(7812) |
|
|
Universal Amplifier and distributor for video
signal. |
|
S&T-AV005 |
Three Octave Organ (EP-4) |
|
|
Organ is a musical keyboard instrument that produces
a wide range of sounds at different volumes. This
circuit resembles the working of organ by
electronically producing 12 musical notes. This
electronic organ is designed to produce notes in
high, medium and low octaves,Selection of different
octaves is done by switches S1 and S2. |
|
S&T-AV006 |
Video Distribution Amplifier (12V) |
|
|
This circuit provide very high bandwidth up to
510MHz & Overall Gain of 8 to 10db. |
|
S&T-AV007 |
3D Surround Sound System |
|
|
This is a novel project for hobbyist interested in
2-channel surround sound systems.An NJM2702D 3D
surround audio processor is used here,which
generates 3-dimension surround sound effect using
two loud speakers only. |
|
S&T-AV008 |
Voice Recording and playback (0407) |
|
|
This circuit enables to record a single message of
upto 60 seconds duration or upto eight different
messages of 7.5 sec duartion each. In playback mode
the circuit plays recorded message either randomally
or in sequential manner. It uses Voice Processor IC
as main unit. |
|
S&T-AV009 |
Electronic Harmonium ( 9V ) |
|
|
This is simple Harmonium using 555 IC,which gives 15
different music. |
|
S&T-AV010 |
3 Gun Sound Generator (UM 3562) (3V) |
|
|
This circuit uses 8 pin CMOS IC.It produces 3
different Gun sound. |
|
S&T-AV011 |
Steam Engine with Whistle Sound (New) |
|
S&T-AV012 |
Dancing Light / Sound Level Indicator (5-12 V ) |
|
|
This simple circuit appeal for stereo system or
Cassette Plyer on Sound level indicator. |
|
S&T-AV013 |
20sec Voice Recording (6V) (APR9301) |
|
S&T-AV014 |
60 Sec Voice Rec Message (6V) (APR9600) |
|
|
A re-recordable voice chip with non-colatile memory
gives to store 1/4/8 voice msg in single chip with
individual trigger & no batt backup. |
|
S&T-AV015 |
8 Minute Voice Recording & Play Back (Message Box) |
|
S&T-AV016 |
16 Minute Voice Recording & Play Back (Message Box) |
|
S&T-AV017 |
120 Sec. Message Recorder (ISD 25120) (New) |
|
S&T-AV018 |
Low Cost Audio Frequency Oscillator (9V) (New)
(NE555) |
|
S&T-Bell001 |
Automated School Bell (0410) |
|
|
The Circuit is useful for the Educational Institutes
etc. This circuit provides an automatic alarm 8
times after an interval of 45 minutes each. and
after 4 intervals provides lunch breaks for 30
minutes. |
|
S&T-Bell002 |
Multi switch Doorbell with Indicators (0304) |
|
|
In a home with too many doors it becomes difficult
to ascertain as to which door a visitor is standing
just by hearing doorbell. Using a monitoring panel
with indicators, this circuit is capable of solving
this particular problem by indicating the door
number.In addition to that, buzzer also is activated
each time any switch is passed. With upto four
switches available, circuit is able of monitoring
four different doors. |
|
S&T-Bell003 |
Musical Door Bell (with memory) |
|
|
This Doorbell produces a pleasant musical tune. The
bell rings only for time period that you have set. A
single melodious tune is heard whenever a push-to-on
switch is pressed. The preset time can be varied
easily. |
|
S&T-Bell004 |
Musical touch Bell |
|
|
This musical bell operates just by the touch of your
fingertip, obviating the need for a mechanical
switch. Useful in homes and offices, it can operate
off a single pencil cell. |
|
S&T-Bell005 |
Parrot Sounding AC Door Bell |
|
S&T-Bell006 |
Remote Operated Musical Bell (0310) |
|
|
It uses any TV remote control to operate a 12-tone
musical bell. This Infra-Red (IR) receiver unit is
capable of responding to IR rays transmitted from
any TV, VCR, VCD or CD player remote. When any of
the buttons on the remote is pressed, the receiver
detects it as pulse through its own IR sensor and
plays one musical tone. The approximate range of the
circuit is 10 meters. |
|
S&T-Bell007 |
Two door Door Bell (0006) |
|
|
This doorbell gives two different tones: one of a
lower frequency and the other of a much higher
frequency. Separate switches can be mounted at two
separate doors at the same floor level. |
|
S&T-Bell008 |
Bird bell (mains) (230VAC) (with cabinet ) |
|
|
This circuit produce the bird chirping sound on
mains trigger.(230AC) |
|
S&T-Bell009 |
Bird bell ( 9V to 12 V ) |
|
|
This is a simple oscillator circuit producing
chirping sound with single NPN tranisistor |
|
S&T-Bell010 |
12 / 16 Tune musical bel (CIC 4822 ) (3V)( with
cabinet) |
|
|
This is very compact 12/16 different tune door
bells. |
|
S&T-Bell011 |
Touch control musical bell (3V) (with cabinet ) |
|
|
This circuit is popular musical bell,which gives
different tunes of feather touch. |
|
S&T-Bell012 |
16 Tune old hindi song bell (3V)(with Cabinet) |
|
|
A 16 Old Hindi Song tunes in rapid choice. |
|
S&T-Bell013 |
25 Tune musical bell (RTS 993) (3 V) (with cabinet) |
|
|
This 25 tune English song with choice of lates
doorbell technology will never ignore by anybody. |
|
S&T-Bell014 |
K.D.K / please open the door (OD - 02 ) Bell (3V)
(W/C) |
|
|
This circuit is very simple & at low cost voice
doorbell. |
|
S&T-FM001 |
Cordless FM MIC (9605) |
|
|
The voice at condenser microphone can be listened
through a standard FM receiver using this circuit.
The range of this FM transmitter can be easily
enhanced with little modifications. |
|
S&T-FM002 |
FM Booster (0202) |
|
|
FM booster can be between your FM reciever and the
antenna to listen to distant commercil FM stations
clearly. |
|
S&T-FM003 |
Long-Range FM Transmitter (9912) |
|
|
The high-power output obtained using a power
amplifier stage allows a range of about 2 km for
this FM transmitter. Reasonable good signal quality
and strength are possible with little adjustments. |
|
S&T-FM004 |
Quality FM Transmitter (0408) |
|
|
The digital like sound quality that FM offers is the
reason that many people prefer to have their own
transmitting station in FM band. This quality FM
transmitter can transmit chosen music in FM band. To
receive its signals, any conventional FM radio
receivers can be used.Without compllicating the
functionality,this circuit transmits the signals
just by using discrete components.It provides an
easy wau to transmit less distorted,low noise music
with in a range of about 200 meters. |
|
S&T-FM005 |
Wireless TV Headphone (0303) |
|
|
As most of TVs nowadays come equipped with audio
in/out and video in/out RCA sockets. Connect audio
output (headphone socket) of your TV to this circuit
to transmit the sound of TV as FM signals. Using a
portable FM receiver with headphone, watch your
favorite TV program without distrubing others. |
|
S&T-FM006 |
Fm Transmitter (9V) |
|
|
You can hear your voice in FM receiver kept at
distance tuned in FM Frequency. |
|
S&T-FM007 |
FM Transmitter 300 Meter (9V)(New) |
|
S&T-FM008 |
FM Transmitter 2 K.Meter (9V)(New) |
|
S&T-FM009 |
FM Transmitter 3 K.Meter (9V)(New) |
|
S&T-FM010 |
Phone to FM Listening Bug (New) |
|
S&T-Game001 |
Digi Teacher (EP-9) |
|
|
Now a days, the digital electronic techniques are
employed to number of electronic devices and are
applicable in diverse fields such as automobiles,
electrical appliances, instrumentation and control
equipments. Acting as Truth Table evaluator cum
electronic learner circuit, this kit gives hands on
practice for learning and understanding digital
design basics.It displays the output using LEDs. |
|
S&T-Game002 |
Digital Dice (0510) |
|
|
The digital electronic dice circuit acts like a
normal dice and uses four different logic gate
combination to bring out the six faces of the dice.
Seven LEDs are suitably positioned on the board.
When you place your finger on the touch plate, the
LEDs wil glows. |
|
S&T-Game003 |
School / College Quiz Buzzer |
|
|
This audio-visualquiz buzzer circuit given here can
be used for up to eight players.It uese IC 74LS373
and a few passive components. |
|
S&T-Game004 |
Griposcope (3-9V) |
|
|
Can also be used as a lie Detector. |
|
S&T-Game005 |
Two In One Electronic Games (9 V ) |
|
|
It incorporated two facilative games gambling &
Indoor Cricket. |
|
S&T-Game006 |
Quiz Monitor (4 Channel) 12V (New) (CD 4012+4013) |
|
S&T-Game007 |
Electronic Roulette Wheel With 2 Digit (9V) (New)
(CD 4033) |
|
S&T-Game008 |
Electronic Decision Maker (New) (CD 4046) |
|
S&T-Indicator001 |
Battery Low Indicator |
|
S&T-Indicator002 |
Blown Fuse Indicator (0004) |
|
|
Green LED glows in normal condition, while a blown
fuse is indicated by a red LED as well as an audio
alarm. |
|
S&T-Indicator003 |
Fastest Finger First Indicator (0112) |
|
|
Useful in quiz and game shows, this device indicates
the fastest player’s designation number along with
alarm sound, locking other contestant buttons. |
|
S&T-Indicator004 |
Numeric Water Level Indicator with Display |
|
S&T-Indicator005 |
Power Failure Indicator (Ep-16) |
|
|
The power supply failure and blown fuse condition
both are indicated by sounding an alarm using a
loudspeaker. |
|
S&T-Indicator006 |
Smart Fluid Level Indicator (0001) |
|
|
This 7-segment display displays fluid level in
meaningful English letters as E for Empty, L for
Low, H for Half, A for Above Average, and F for
Full. |
|
S&T-Indicator007 |
Water level Indicator (9702) |
|
|
This simple and easy-to-install circuit gives both
visual and aural indication when the water tank is
full. You need to fit the probes at the desired
water level in water tank. |
|
S&T-Indicator008 |
Bathful Indicator (5 V) |
|
|
This low cost solution for non wastage of water
which alerts you by active buzzer when water level
is reach. |
|
S&T-Indicator009 |
Heart Bit Monitor (9V)(New)(LM 386) |
|
S&T-Indicator010 |
Battery Low Indicator (New)(CA 3160) |
|
S&T-INST001 |
Multitester with Audio-Visual Indicator (0202) |
|
|
Test the condition of electronic components like
resistors, capacitors, diodes, photodiodes, and
transistors by both visual and audio indication. The
tester is also useful for checking continuity
between two points. |
|
S&T-INST002 |
Sensitive Vibration Detector (0511) |
|
|
The Vibration detector (piezo element) in this
circuit can be used to detect the vibration of the
rolling shutter guard and alarm you when
unauthorised person tries to open it. The load in
the circuit can be an AC operated electric bell or
bulb used as alarm device.The alarm can be stopped
using a push to off switch given in this circuit. |
|
S&T-INST003 |
Zener Diode Tester (0404) |
|
|
Many a times the terminal and voltage markings are
not specified on zener diode by manufacturer. Or, it
may happen that these markings are not visible in
old or used components. This kit provides a way to
test and check zener diodes of 3.3V to 18V rating. |
|
S&T-INST004 |
1 Hz Generator (9V) (CD 4521) |
|
|
The circuit generates a very precise 1 Hz square
wave signal. |
|
S&T-INST005 |
Continuity Tester |
|
|
An audible continuity tester for repid checking of
continuity or short circuit |
|
S&T-INST006 |
Fault Finding Probe |
|
|
Fault finding probe is Alternate of logic analyzer
it's nothing more than bistable Multi vibrator. |
|
S&T-INST007 |
Crystal Tester |
|
|
Simple circuit to test X'tal Range of 100KHz to
30MHz. |
|
S&T-INST008 |
CMOS Function Generator (6 V) |
|
|
The circuit offer a choice of sine,Square & triangle
wave form & Freq. range from 12Hz to 70KHz |
|
S&T-INST009 |
PH Meter (+-9V) |
|
|
Acidity/Alkalinity measurement by LCD range from 0
to 14PH. |
|
S&T-INST010 |
Battery Tester (9V) |
|
|
This compact tester designed for testing the battery
I.e. there has three LED's that indicates the
indication of Alkali-manganese, Carbon-Zinc & Alkali
Zinc of the battery. Devices multimeters power
supply electricity. |
|
S&T-INST011 |
Digital Panel Meter (New Led Version ) (5V) |
|
|
Most compact low power panel meter wired around ic
7107. This unit can be use for level measuring. |
|
S&T-INST012 |
LM 35 Digit Thermometer (9V) (New) |
|
S&T-Light001 |
Automatic Porch Light with Melody (0212) |
|
|
While you park your vehicle in the garage, this
porch light automatically switches on for a specific
duration. A melodious sound can also be heard at the
same time. Time duration can be easily varied using
a preset. |
|
S&T-Light002 |
Bi colour LED Disco Runing Light (8812) |
|
|
This bicolour LED chaser circuit produces sequence
of red and green lights. The frequency can be easily
varied by adjusting the preset. |
|
S&T-Light003 |
Emergency Light |
|
S&T-Light004 |
Sunset Lamp |
|
S&T-Light005 |
Touch Dimmer |
|
|
This is versatile three-step touch dimmer for
varying the lamp intensity according to brightness
required in the room. The circuit increases lamp
intensity in steps, from off to low, medium, high
and again off. The lamp stages are advanced
sequentially by simply touching the touch plate
connected to touch wire. At power-on condition, lamp
is in OFF condition. |
|
S&T-Light006 |
4 channel Sequential light (6V) |
|
|
This project can be used to switch decorative
lighting or in the modern home & many uses among
day's of festival. Each series carry a load of
1000watt. |
|
S&T-Light007 |
6 Channel Sequential Light / Disco Light (6V ) |
|
|
It's total load 1000 Watt per channel using triac. |
|
S&T-Light008 |
Light Dimmer (230 V AC ) |
|
|
This project using a simple triac to control in
candescent filament lamp.(max : 1500W) |
|
S&T-Light009 |
Automatic Cloak Room Light (12V ) |
|
|
This circuit puts an end to your guest fumbling for
light switch in the clock room. |
|
S&T-Light010 |
Light Sensitive Trigger (12 V- 16 V) |
|
|
This simple light operated switch can have variety
app. |
|
S&T-Light011 |
3 Channel Seq. Light (6V) |
|
|
This is low cost simple 3ch sequential light used in
many decorative light.Each series carry 1000watt |
|
S&T-Light012 |
Light Sensitive Switch (230V) |
|
|
A versatile light operated switch Max.220V |
|
S&T-Light013 |
Twilight Switch (12 V ) |
|
|
This switches the light on dusk & off at down. |
|
S&T-Light014 |
Swastik (12V) |
|
S&T-Light015 |
6 Channel Auto Reverse Sequential |
|
|
The Circuit drives 6 triac in forward & reverse
direction It takes bulb load up to 1000w per
channel. You can also drive in audio input by
external source. |
|
S&T-Light016 |
8 Alphabet sign Display Board |
|
|
This simple circuit of 8 Alphabets,which goes bit by
bit & then puts all outputs off.You can use it for
your shop/Office advertisement. |
|
S&T-Light017 |
LED Ornaments (cross) (9V ) |
|
S&T-Light018 |
LED Ornaments (Square) (9V) |
|
S&T-Light019 |
LED Ornaments (circle) (9V) |
|
S&T-Light020 |
LED Ornaments (Spiral) (9V) |
|
S&T-Light021 |
LED Ornaments (Star) (9V) |
|
|
The purpose of this circuit gives you an exact idea
how you can imagine the multi sign by LED's. |
|
S&T-Light022 |
6 LED Dancing Light (3V) |
|
S&T-Light023 |
6 LED Dancing Light (9V ) |
|
S&T-Light024 |
24 LED Dancing Light (12 V) |
|
|
This is a simple multi vibrator circuit-using
transitor. |
|
S&T-Light025 |
OM (12V) |
|
|
This circuit is arrange by LED's which idicate sign. |
|
S&T-Light026 |
WelCome LED Dis. Board With 8 Alphabet Ckt . Board |
|
|
This is simple LED Board in sign of WELCOME. |
|
S&T-Light027 |
Flashing Running Light |
|
|
This simple LED flashing light by using four groups
of four LED's in each group will light
simultaneously. |
|
S&T-Light028 |
60 Led Chaser (4 Ch) |
|
S&T-Light029 |
150 Led Chaser (6 Ch) |
|
S&T-Light030 |
300 Led Chaser (6 Ch) |
|
|
The circuit descibed here generates a unique running
light effect each column in a row of 4 or 6 glow
sequentially. |
|
S&T-Light031 |
Bi-Colour Led Arraj Blinker (555 + CD 4017) |
|
|
This circuit are most flasher circuits flashes the
same LED array as green and then as red for a preset
time. |
|
S&T-Light032 |
Tarana (AC 230V)(TR.BC 547) |
|
|
The circuit is nothing but simple multivibrator
using two transistor operation on 230V AC supply |
|
S&T-Light033 |
Traffic Light Control (CD4017 + 555) |
|
|
This project teaches the traffic rules using 3
relays for each light. |
|
S&T-Light034 |
Low Power LED Flasher (9V) (New) (NE 555) |
|
S&T-Light035 |
16 Channel Auto LED Running Light with Flashing LED
(12V)(New)(74LS04) |
|
S&T-Light036 |
3 way Traffic Light (New) (CD 4017) |
|
S&T-Light037 |
Moving Light (New)(NE 555 + CD 4017) |
|
S&T-Light038 |
Running Led (New) (NE 555) |
|
S&T-Light039 |
SMD Flashing Heart(New) |
|
S&T-MICS001 |
Periodically On/Off Mosquito Repellent |
|
S&T-MICS002 |
Mosquito repellent ( Domestic ) ( 1.5 V ) |
|
|
This is the A stable Multi Vibrator which generate
the desired frequencies for ran away mosquito. |
|
S&T-MICS003 |
Rodents Deterent (6V) (NE 555) |
|
|
This circuit is safer solution for rate,mice & other
rodent. |
|
S&T-MICS004 |
Ionizer Mains (230 V AC ) |
|
|
An environment friendly project based on theory of
IONISATION can be used as an air purifier. |
|
S&T-PS001 |
Variable Power Supply with Digital Control (0404) |
|
|
A regulated power supply is one of the most
important and essential requirements in electronic
lab. The available power supply must provide
variable outputs in steps. This kit gives variable
and fluctuation-free DC voltage as output in the
range of 1.5V to 12V. It also provides proper
display using LEDs as indicators and outputs here
are easy to select. |
|
S&T-PS002 |
Versatile Power Supply-0602 |
|
|
It is a DC regulated variable power supply that can
deliver 3.3V up to 15V ,1Amp output using an
adjustable regulator IC LM317. |
|
S&T-PS003 |
Lead Acid Battery Charger cum Voltage Analyser |
|
|
Continuous monitoring of battery conditions even for
maintenance free lead acid batteries is necessary,
because poor state of battery reduces its life,
capacity and recharging ability. This circuit
indicates the overcharge, low charge, normal and no
charge battery conditions using LEDs and buzzer. |
|
S&T-PS004 |
Universal Nicad Charger (12V) |
|
|
This cheap alternative turns into an low expensive
one charger for All Nicad Cell. |
|
S&T-PS005 |
Lead Acid Battery Chager (L 200 ) (6 V / 12V )
(without Meter) |
|
|
Charger circuit with protection against reverse over
10 adding and short circuit with auto charging
facility for 6V/12V batteries with meter. |
|
S&T-PS006 |
Lead Acid Battery Charger LM 317 T (9 - 40 V ) |
|
|
The simple charger for lead acid batteries having
different AMP/hr capacity you can use it as common
supply unit. |
|
S&T-PS007 |
General Purpose Power Supply (2 Diode /4 Diode) |
|
S&T-PS008 |
General Purpose Power Supply (4 Diode /2Cap ) |
|
|
Simple rectifier circuit for AC to DC conversion. |
|
S&T-PS009 |
78L/79L General Purpose Power Supply |
|
|
Versatile Power supply using 78L series IC's with
Amp current capacity(5V to 24V) |
|
S&T-PS010 |
5V/ 500 MA Power Supply(LM129) |
|
|
Stabilized power supply for exact output of 5V with
regulation. |
|
S&T-PS011 |
+ /-15V/ 1AMP. Power Supply |
|
|
Regulated Power supply with short circuit
protection. |
|
S&T-PS012 |
15V /1AMP. Power Supply |
|
|
Regulated power supply with short circuit protection
with AMP current capacity. |
|
S&T-PS013 |
IC Power Supply (1V - 10V/1A) |
|
|
Variable Stabilised power supply with adhustable
current limiting facility. |
|
S&T-PS014 |
0 - 30V Regulated Power Supply (1Amp) |
|
|
Variable Voltage source from 0-30V with adjstable
current limiting facility. |
|
S&T-PS015 |
3 AMP. Variable Power Supply (1.5 V To 24 V ) |
|
|
Variable power supply from 1.25V to 24v at 3 AMP
current. |
|
S&T-PS016 |
Adjustable Regulated Power Supply (LM 317 T ) |
|
|
Variable power supply from 1.25V to 25v at 1 AMP. |
|
S&T-PS017 |
L - 200 Regulated Power Supply |
|
|
Variable regulated power supply fully adjustable
between 0-18v and 0-1.8A respectively. |
|
S&T-PS018 |
3 AMP. / 5V Power Supply |
|
|
5V regulated power supply with 3AMP current
capacities. |
|
S&T-PS019 |
Regulated Power Supply (2 Diode 3 to 6 AMP) |
|
S&T-PS020 |
Regulated Power Supply (4 Diode 3 to 6 Amp) |
|
S&T-PS021 |
Mulity Use PCB with +/- Supply Pcb (NEW) (LM 317) |
|
S&T-Safety001 |
8 bit Code Lock for Appliances (0407) |
|
|
This electronic lock is useful in numerous
applications where access to an article/gadget is
restricted to limited number of persons. One unique
feature of this circuit is that code can be easily
changed here without any need of changing the wiring
or connections,as is the case with other electronic
locks.The circuit providers re-programming of the
code just by changing the switch positions. |
|
S&T-Safety002 |
Anti Bag Snatching Alarm |
|
|
Incidents of bag snatching are increasing nowadays.
Many a times the snatcher can be caught easily if a
loud alarm is raised. The kit uses plug and socket
arrangement to raise the alarm whenever any
snatching attempt is made. Thus, while travelling,
this kit entitles the person to carry cash or
valuables without fear. Using the hidden key, only
owner can turn OFF the alarm. |
|
S&T-Safety003 |
Anti Theft Alarm for Vehicles (0304) |
|
|
This security system for vehicle generates a loud
and continuous alarm in case of any unauthorised
person getting access of your vehicle. As soon as,
auto-lifter tries to start, the vehicle alarm gets
activated leaving no option for him other than to
leave the vehicle intact and run away Only owner
will be able to turn OFF and reset the alarm. |
|
S&T-Safety004 |
Cash Box Guard (1101) |
|
S&T-Safety005 |
Digital Security System (0505) |
|
|
This circuit can help you from the intruders and
strangers. Very thin copper wire loops has to be
wired around your house and if any of the copper
wire loops is broken, the display displays the
particular number of the loop with buzzer sound. if
more than one loops are broken it will display the
sum of their lopps. |
|
S&T-Safety006 |
Door Guard |
|
S&T-Safety007 |
Electronic Watch Dog |
|
|
This circuit produces an alarm sound when a person
crosses the gate. The Circuit comprises of
Transmitter & Receiver which are mounted face to
face on opposite pillars of the gate in a manner so
that when someone interuppts between the two it
gives an alarm. |
|
S&T-Safety008 |
Electronics Bicycle Lock |
|
S&T-Safety009 |
Long Range Burglar Alarm using laser torch |
|
|
This Circuit operates at a frequency of 5 khz. If
the transmitter & receiver parts are properly
aligned it can work upto a distance of even 30
meters When the objects cuts the transmitter and the
receiver parts. |
|
S&T-Safety010 |
Luggage Security Systems (0005) |
|
|
This circuit gives an alarm sound when someone tries
to cut the luggage chain. Different sound effects
are possible after doing simple connections. |
|
S&T-Safety011 |
Magic Eye (9601) |
|
|
This magic eye fitted on the bottom of door entrance
obviates the need for a call bell. It can also be
used as an automatic guest indicator at homes or as
a burglar alarm in banks. |
|
S&T-Safety012 |
Simple Code Lock (0001) |
|
|
This electronic code lock responds only to the right
sequence of four digits out of nine keys available
on the keypad. |
|
S&T-Safety013 |
7 Digital Code Lock (6 - 15 V ) |
|
|
This code lock provides a high degree of security
can be hooked with relay driver for use car door
open etc. |
|
S&T-Safety014 |
Electronic Digital Combination Lock (New) (CD 4017) |
|
S&T-Safety015 |
Security System (New)(NE 555) |
|
S&T-Safety016 |
Simple Digital Security System (New)(CD 4511) |
|
S&T-Security001 |
Cellphone Detector |
|
S&T-Security002 |
Infrared Object Counter |
|
|
This circuit can be installed in public places to
count the number of people or objects passing
through the transmitter & receiver. The circuit
operate at a frequency of 38 Khz . The count will be
displayed through the calculators. |
|
S&T-Security003 |
Laptop Security Station (0910) |
|
S&T-Security004 |
Smart Cellphone Holder (0507) |
|
|
This smart cellphone holder makes sure that you do
not forget to carry your mobile phone. If you have
forgotten to carry your cellphone, the LED light
fitted in the cell phone holder will stop flashing
to indicate that the mobile phone is not in the
holder. |
|
S&T-Security005 |
Digital Object Counter |
|
|
The circuit using 74C926 counter utilizes the LDR to
show the counting of the object. |
|
S&T-Security006 |
Listening Bug (9V) |
|
|
It is simple circuit in - expensive circuit to
listen to the conversation on in your adjoining
room. |
|
S&T-Security007 |
Powerfull Listening Bug(9V)(NEW)(LM741) |
|
S&T-Security008 |
CCTV Night I/R Lluminator Watching (12V)(New)(7812) |
|
S&T-Security009 |
Infrared Security Alarm (12V)(New)(74LS14) |
|
S&T-Sensor001 |
Automatic water Level Controller |
|
S&T-Sensor002 |
Hit Switch |
|
|
This versatile hit based switch is electronic
equivalent of a switch. This circuit serves as an
on/ off control for incorporation in a wide variety
of electronic design.The circuit uses a Piezo
electric diaphgram. |
|
S&T-Sensor003 |
IR Remote Switch (0203) |
|
|
ON/OFF switching operation of a remote appliance can
be done using this remote control. The circuit uses
any TV, VCR, VCD or CD player remote as transmitter.
Indication of different output stages is provided by
LEDs. This helps in better understanding. |
|
S&T-Sensor004 |
Remote Control for Home Appliances (0505) |
|
|
This handy circuit can be used to switch on and off
any of your home appliances or any electrical device
with a single press of your TV, VCD or DVD remote
control. This low-cost circuit is based on 4017
counter IC which receives trigger pulse from IR
sensor and switches on the relay through which
electrical devices are switched on & on receiving
the 2nd pulse the device is switched off. |
|
S&T-Sensor005 |
Touch Sensitive Switch (EP-11) |
|
|
Sometimes one may want to switch a lamp just by
touching it. This circuit provides a very simple and
reliable way to do just that. The connected
appliance will be turned ON by a slight touch of
finger at the sensor. Another touch at the OFF
sensor will turn it OFF. This can also be used as
ahidden switch or electronic lock by concealing the
touch sensors. |
|
S&T-Sensor006 |
Water Level Controller (EP-9) |
|
|
This circuit provides switching control of pump
motor and pumps water from ground-level tank to
overhead tank when the tank is completely empty. To
monitor the status, each tank is provided with three
probes. |
|
S&T-Sensor007 |
Water level Controller-cum-Motor Protector kit
(9908) |
|
|
This device provides switching on/off of the pump
motor. Automatic switching off of the motor when
overhead tank is full. It has low- and high-voltage
cut-off control. |
|
S&T-Sensor008 |
Teleremote Control (9910) |
|
|
This tele remote overcomes the range barrier of
infrared remotes. Control is provided through the
dial keypad of a remote telephone and switching
on/off operation of up to ten appliances is
possible. (This circuit is meant to control only
four devices.) |
|
S&T-Sensor009 |
Light /coin Operated Delay (12V Center Tape) |
|
|
This circuit is designed for when a ray of light is
interrupted the power output is switched "ON" for a
variable duration of 5 to 55 sec. To operate the
relay. |
|
S&T-Sensor010 |
Light Switch (New) Transistor |
|
S&T-Sensor011 |
Photo Sensor with control Relay (New) |
|
S&T-Sensor012 |
Liquid Level sensor (12 V ) (CD 4093) |
|
|
Liquid level controller wired around a single chip &
sense the level and alert you. |
|
S&T-Sensor013 |
Clap Switch (12 V ) Transistors |
|
|
Simple electronic swithch activated by a clap can
control (ON/OFF) fan light Radio & Tape. |
|
S&T-Sensor014 |
Touch Plate / Switch ( Glass Epoxy) (12V ) |
|
|
This simple ON/OFF touch plate by using the NAND
Gate IC 4011,which has connected as a
flip-flop.(There are two plates for ON-OFF). |
|
S&T-Sensor015 |
Water Level Controller (12V) (7400) |
|
|
Improved water level controller has been provided
with two flip flops for the two tanks and each tank
has three probes to monitor its status. |
|
S&T-Sensor016 |
Electronics Eye |
|
|
This circuit produces the sound while light Fails &
stops while light comes back. |
|
S&T-Sensor017 |
Heat Sensor with Fan Cooling (12V)(New) (LM 741) |
|
S&T-Sensor018 |
Touch Sensitive Siren (New) |
|
S&T-Sensor019 |
Touch Switch (using ic 555 Multivibator) (New) (NE
555) |
|
S&T-Sensor020 |
IR Auto Switch |
|
|
I/R wash Basin Proximity switch(12V) (New)(Is 471
IR Sensor). |
|
S&T-Sensor021 |
Metal Detector (9V)(New) |
|
S&T-Sensor022 |
I/R Remote Switch (Universal) (12V) (74LS221) |
|
|
This circuit use one channel universal remote
control. |
|
S&T-Sensor023 |
I/R Remote Control On/Off Switch (12V) |
|
S&T-Sensor024 |
4 Channel Long range Infrared Remote Control (12V) |
|
S&T-Sensor025 |
4 Channel Long range RF BASE Remote Control (on/off)
(12V) |
|
S&T-Sensor026 |
4 Channel Long range RF BASE Remote Control (Push to
on type) (12V) |
|
S&T-Sensor027 |
4 Channel Long range RF BASE Remote Control (on/off)
(12V)300 meter |
|
S&T-Sensor028 |
4 Channel Long range RF BASE Remote Control (Push to
on) (12V)300 meter |
|
S&T-Sensor |
Clap based Switch For Device-0303 - In stock but
project is off |
|
S&T-Solar001 |
Solar Generator Kit (New)(NE 555) |
|
S&T-Tele001 |
Low-cost Transistorised Intercom (9910) |
|
|
Voice at one end is amplified and listened at the
other end through a loudspeaker as a one-way
intercom. A two-way intercom can be similarly
assembled using two such kits. |
|
S&T-Tele002 |
Musical Hold On for Telephone |
|
|
Using this add-on external circuit attached to your
telephone a melodious music is generated on
telephone line. During the entire hold-on interval,
person on other end enjoys a pleasant music. To
resume talking when you are back, just flick the
switch to OFF mposition.A Red LED included in the
circuit that phone line is on hold and it
automatically turns OFF when music stops. |
|
S&T-Tele003 |
Parallel Telephone Ringer |
|
|
Due to high volume of your hi-fi audio/video systems
or any other reason sometimes telephone ringing in
other room is not heard. In addition to provide
indication that your telephone is ringing in other
room this telephone extension ringer avoids
overhearing of conversation by an undesired person
at other end. |
|
S&T-Tele004 |
Telephone Call Recorder (9507) |
|
|
This telephone message recorder records all the
conversations on tape-recorder. In case nobody
attends the call, it records the incoming ring
signal only. |
|
S&T-Tele005 |
Two Way Intercom (9V) |
|
|
This is simple intercom system for communication of
two persons in the same building OR office. |
|
S&T-Tele006 |
Hold On Music For Telephone (UM66) |
|
|
This is the external ckt to telephone line which
gives the pleasant music during the hold on
interval. |
|
S&T-Tele007 |
Digital Telephone Amplifer (New)(LM 386) |
|
S&T-Tele008 |
Parallel Telephone Ringer (New)(Bel 1240) |
|
S&T-Timer001 |
IR Remote Control Timer (0305) |
|
|
The circuit uses IR transmission for remotely
controlling ON/OFF operation of upto two
electrical/electronics appliances. Pressing
push-to-on switch from a distant transmitter,
normally OFF appliance is turned ON and another
normally OFF appliance is turned ON for some
specific time period. This time period can be varied
in the range of 0.11 to 110 seconds for given set of
components and range of remote is about 3 meters. |
|
S&T-Timer002 |
PC Based Automatic Time Manager (0708) |
|
S&T-Timer003 |
PC Based Timer (0502) |
|
|
This circuit interfaced with PC computer through
D-25 pin male connector, can switch on and switch
off the device for a particular timing required by
the user. The program is written in C languages &
compiled in Turbo C compiler. The maximum timing of
the circuit is for 18 hours. |
|
S&T-Timer004 |
Sound Operated Timer (8905) |
|
|
This electronic switch gets activated by the sound
of a clap. It can be used in a sound-operated motor
driven toy car or any other gadget. |
|
S&T-Timer005 |
Timer for Students (9910) |
|
|
This timer gives alarm after a preset time period
and a few beeps at half the selected time. The timer
could be programmed for other time periods as well. |
|
S&T-Timer006 |
Digital Alarm Clock ( 0.5" Duplex Dis) Red And
Green |
|
S&T-Timer007 |
Digital Wall Clock (3 1/2 " Dis. ) (5 mm LED) |
|
|
This is a simple alarm clock with using Chip 8560
TMS 3450 with Battery backup facility. |
|
S&T-Timer008 |
555 Timer (9V-12V) |
|
|
This is capable of Drive Relay with time delays From
1 sec. To 100sec. |
|
S&T-Timer009 |
Knotted Handkerchief (timer up to 120 minutes )
(9v) |
|
|
This reminds one to do something in fact it is
extrmely compact timer. |
|
S&T-Timer010 |
Kitchen Timer (Up to 17 minutes ) ( 9 V ) |
|
|
This circuit adjustable between 1 to 17 Minutes
provies Audible time alarm. |
|
S&T-Timer011 |
Time Switch (6V ) |
|
|
This timer is very useful for NICD chargers. |
|
S&T-Timer012 |
Timer with Audio Alarm (9V) (CD 4060) |
|
|
This circuit gives a audible warning from 1min to
120min. |
|
S&T-Timer013 |
555 Timer with On/Off Indicator (12V)(new) |
|
S&T-Timer014 |
1 to 5 mins 200/240V Timer (new) |
|
S&T-Timer015 |
Telephone Cut off Timer 1-20 Minute (new) |
|
S&T-Timer016 |
2 Digit Strom Distance Counter (9v)(New)(NE 555) |
|
S&T-Timer017 |
2 Digit Door Bell Counter (6V)(New)(CD 4026/555) |
|
S&T-Timer018 |
3 Digit Counter (New)(CD 4093) |
|
|
The high-frequency signal generated by a transformer
is useful as pest-repeller. The intensity can be
easily varied by tuning the preset. |
|
S&T-AM001 |
Microcontroller Based School Timer (MC68HC705J1A) |
|
|
This versatile programmable school timer can be used
to display real time clock as well as school bell
timings on four 7-segment LED displays.It can store
about 20 bell timings and activates the bell through
a relay at every predetermined period. |
|
S&T-AM002 |
Digital count down timer |
|
S&T-AM003 |
RTC Based Time Operated Electrical Appliances |
|
S&T-AM004 |
Time Operated Solar Tracking System |
|
S&T-AM005 |
MatLAB based Automatic room light control |
|
S&T-AM006 |
Digital Multimode Timer with LED Display (12V DC) |
|
|
This is the low cost, micro-controller based
universal timer module for any industrial &
commercial application.Timer can countdown from 1-99
seconds,1-99 minutes of 1-99 hours.Timer has 4+1
press buttons , UP, DOWN, MODE, START +
RESET.UP,DOWN set time that we want to count
dow.once we set time,set MODE ,we can start
countdown sequence.After countdown the relay turns
on.To restart timer,we must press RESET button. |
|
S&T-AT001 |
Adaptive Lighting System for Automobiles |
|
S&T-AVR001 |
Remote controlled real time clock with device
controller (0706) |
|
|
This circuit is based on ATMEGA16 microcontroller
and DS1307 real time clock chip. A 16x2 LCD display
is used for user interface to display time, date and
various settings. A real time clock chip is set to
control five different alarm settings. |
|
S&T-AVR002 |
Secured Room Access System (0710) |
|
|
This microcontroller-based digital is an access
control system that allows only authorised persons
to access a restricted area.When someone tries to
enter the restricted area by entering invalid
passwords continuously,the system locks itself. |
|
S&T-DU001 |
Call Bell with WELCOME Indication |
|
S&T-EC001 |
PC to MC Communication |
|
S&T-EC002 |
PC to PC Wireless Communication through RF Link |
|
S&T-EC003 |
Audio Comunication using Fiber optic Cable |
|
|
This kit is designed for audio communication you can
Transmit your voice from One end to Another with the
Help of fiber optic cable kit comes along with
circuit diagram,working explanation,part
explanation,assembling instruction,basic description
of fiber optic cable & components data sheets.(kit
with fiber optic cable,speaker & power supply). |
|
S&T-EE001 |
Electronic Circuit Breaker |
|
S&T-EE002 |
RF based Automatic Meter Reading with RF Link |
|
S&T-EE003 |
RF based Automatic Meter Reading with GSM |
|
S&T-EE004 |
SMS based DC Motor Control |
|
S&T-EE005 |
GSM Based Stepper Motor Control |
|
S&T-EE006 |
GSM Based Generator Start/Stop System |
|
S&T-INS001 |
Computerised Electrical Equipment |
|
S&T-INS002 |
Digital Voltmeter (0707) |
|
|
Digital Voltmeter is designed as a panel meter and
can be used in DC power supplies panels or where it
is necessary to have an accurate indication of the
voltage. |
|
S&T-INS003 |
Two Channel PC Based Oscilloscope (0612) |
|
|
Presented here is an oscilloscope that accepts input
up to 10 kHz with ±16V from input source and display
the output waveform on your PC monitor. PIC18F2550
microcontroller chip from Microchip is used as the
main controller. |
|
S&T-INS004 |
Current sensor |
|
S&T-MC001 |
AT89C2051 Microcontroller based Count Down Timer
(0603) |
|
|
Here is a microcontroller based timer that performs
countdown operation for upto 99 minutes with two
7-segment displays showing the actual time left.
AT89C2051 chip is used in this circuit. The program
can be easily modified according to users
requirement. |
|
S&T-MC002 |
Cellphone Based Device Control with Voice
Acknowledgement |
|
S&T-MC003 |
Microcontroller based Bi-Directional Visitor Counter
(0701) |
|
|
Here is a low-cost AT89C52 microcontroller-based
visitor counter that can be used to count the number
of persons at a place. It consists of three
7-segment displays (LTS543 ) to display the number
of visitors upto 999. The circuit works off a 5V DC
supply. |
|
S&T-MC004 |
Microcontroller Based Code Lock (0608) |
|
|
This simple code lock project is based on a 20-pin
ATMEL microcontroller AT89C2051.It employs a 4-dihit
sequential code with time-out security feature.Apart
from the microcontroller, the main conponents
include CD4050 non-inverting buffer,LCD display. |
|
S&T-MC005 |
Microcontroller Based DC Flush System (0612) |
|
|
Here is an automatic flush system(toilet &
urinal)that automatically flushes the fixture when
the user departs.It employs an AT89C2051
micrcontroller and an infrared sensor to detect a
user approaching the fixture,then waits until the
user departs. It employs an AT89C2051
microcontroller and an infrared sensor to detect a
user approaching the fixture, then waits until the
user departs. It also flushes before the person
departs if the person is present for more than the
preset time (5 minutes). CD4050 is used as a buffer
for the output ports of the microcontroller,
TSOP1738 is used as an IR sensor and a solenoid is
used to actuate the flush from a 6V power supply
with a battery backup inside the unit. |
|
S&T-MC006 |
Microcontroller Based Speedometer Cum Odometer |
|
|
This project describes how to build a digital
speedometer-cum-odometer for your motorbike. The
features of the project are digital readouts for
speed in km/hour and distance in kilometres,
economical and easy to construct. |
|
S&T-MC007 |
Microcontroller based Tachometer (0801) |
|
|
This is an easy-to-make photoelectric based
tachometer project for measuring the RPM(revolution
per minute)of rotating shaft,shop-floor tools
andmany household machines without any mechanical or
electrical interface. |
|
S&T-MC008 |
Microcontroller Based Temperature indicator using
AT89C52 (0407) |
|
|
It is microcontroller based temperature temperature
indicator that displays the temperature in the range
of -55 degree celcius to 125 degree celcius. The
Indicator output the calibrated date in digital form
. It uses a temperature sensor Chip. |
|
S&T-MC009 |
Microcontroller based Ultrasonic Distance Meter
(0802) |
|
|
This project employs 40khz ultrasonic transducers
for distance measurement up to 2.5 metres.Ultrasonic
transducers measure the amount of time taken for a
pulse of sound to travel to a particular surface and
return as the reflected echo. |
|
S&T-MC010 |
Microcontroller based Water level controller cum
motor protector (0702) |
|
|
This circuit uses an AT89C51 microcontroller as the
main controller. It can be used to switch ON and OFF
the motor depending upon the level of the water in
the tank. The status is displayed on an LCD module.
The circuit also protects the motor from high
voltage. |
|
S&T-MC011 |
Microcontroller basedDC Motor Controller |
|
S&T-MC012 |
Microcotroller Based Industrial Timer (0706) |
|
|
Here is a simple industrial timer based on 40-pin
Atmel AT89S52 microcontroller that performs
count-down operation up to 9999 minutes/second with
four 7-segment displays showing the actual time
left.The relay energises as you press the start
switch. |
|
S&T-MC013 |
Microcontroller based Moving Message Display |
|
S&T-MC014 |
Remote Control Digital Audio Processor (0502) |
|
|
This infrared (IR)remote controlled digital audio
processor has four stereo input channels and one
stereo output.The processors in this system control
various functions of each channel and output them to
your audio amplifier. |
|
S&T-MC015 |
Stepper motor control using microcotroller (0410) |
|
|
This circuit is based on 89C51 microcontroller.It
provides to control the rotation of a DC stepper
motor in clockwise as well as anticlockwise
direction. This module is simple and easy to
construct and can be used in many application e.g.
Machine control,Robotics. |
|
S&T-MC016 |
Digital Calendar |
|
S&T-MC017 |
Stepper Motor Control Through RF Link |
|
S&T-MC018 |
Automatic Room Light Controller with Visitor Counter |
|
S&T-MC019 |
DS 1820 Based Temperature Controller |
|
S&T-MC020 |
MicroController Based Temperature Controller |
|
S&T-MC021 |
Automatic College Bell |
|
S&T-MC022 |
Sensor based Solar Tracking System |
|
S&T-MC023 |
Multistory Car Parking System |
|
S&T-MC024 |
Electronics Components Tester |
|
S&T-MC025 |
Finger Print Based Security System |
|
S&T-MC026 |
Biomedical Monitoring System without GSM |
|
S&T-MC027 |
Gates Emulator |
|
S&T-MC028 |
Home Security system with password |
|
S&T-MC029 |
Infrared Interruption Counter |
|
S&T-MC030 |
Infrared Remote Control Switch (6 device + 1 Fan) |
|
S&T-MC031 |
Biomedical Monitoring System with GSM |
|
S&T-MC032 |
MicroController Based Digital Clock with Alarm |
|
S&T-MC033 |
Microcontroller Based Digital Code Lock |
|
S&T-MC034 |
Mulipattern Running Lights |
|
S&T-MC035 |
Password Based Door Locking |
|
S&T-MC036 |
RF Based Remote Control |
|
S&T-MC037 |
Secured Wireless Data Communication |
|
S&T-MC038 |
RFID Based Security System |
|
S&T-MC039 |
RFID Based attendance System |
|
S&T-MC040 |
RFID Based toltax deduction system |
|
S&T-MC041 |
RFID Based Automatic Car Parking |
|
S&T-MC042 |
RFID Based Automatic Library Management System |
|
S&T-MC043 |
RFID Based Shopping Cart |
|
S&T-MC044 |
RFID Based Local Vehicle Tracking System |
|
S&T-MC045 |
RFID Based Electronic Road Pricing for Controlling
the traffic |
|
S&T-MC046 |
RFID Based ATM Machine |
|
S&T-MC047 |
RFID Based Railway Platform to Display Position of
coach |
|
S&T-MC048 |
RFID Based Railway reservation |
|
S&T-MC049 |
RFID Based Automatic Challan System |
|
S&T-MC050 |
RFID based Prepaid Energy Meter with recharge Option |
|
S&T-MC051 |
RFID Based Voting Machine |
|
S&T-MC052 |
RFID Based Banking System |
|
S&T-MC053 |
RFID Based Ration Card |
|
S&T-MC054 |
RFID Based Metro Train System |
|
S&T-MC055 |
RFID Based Animal Identification Device for Dairy
Farms |
|
S&T-MC056 |
RFID Based Telemedicine System |
|
S&T-MC057 |
RFID Based Event Tracking System for Sports |
|
S&T-MC058 |
RFID based Blind man stick |
|
S&T-MC059 |
RFID Based Security cum attendance System |
|
S&T-MC060 |
SMS based Home Appliances Control |
|
S&T-MC061 |
SMS based Voting Machine |
|
S&T-MC062 |
SMS Based Home Security System |
|
S&T-MC063 |
GSM Energy Meter Monitoring with Temper proof |
|
S&T-MC064 |
SMS Based Vehical Ignition System for Safety |
|
S&T-MC065 |
GSM Based anti theft system for vehical |
|
S&T-MC066 |
GSM Based Railway Reservation System |
|
S&T-MC067 |
GSM Based Vehical Location Finder for Parking |
|
S&T-MC068 |
GSM Based Notice Board for School / Colleges |
|
S&T-MC069 |
24-Hour ON/OFF Clock Timer using Microcontroller |
|
|
It's a 4 digit,7 segments,24-hour clock timer that
can be used to control any application.You can
program both ON time & OFF time with this project.It
requires a 3V battery back up.Useful for switching
loads up to 500W. |
|
S&T-MC070 |
Programeble School bell timer (12v DC) IC 8051 |
|
|
This versatile programmable school timer can be used
to display real time clock as well as school bell
timings on LED / LCD Display.It can store about 8
bell timings and activates the bell through a relay
at every predetermined period. |
|
S&T-MC071 |
Micro Controller Annunciation System (12V DC) |
|
|
This Annunciation system detects up to 8 different
faulty conditions and informs the operator about
them by means of LEDs and playing Voice messages
stored in a No Volatile Memory.It simultaneously
sounds a Buzzer alarm and Lights a Fault indication
Signal connected to it. |
|
S&T-MC072 |
8 Channel Analog to Digital Converter (A to D) |
|
|
This analog to digital converter read up to 8
different Analog signal (e.g temperature) and
display on 16x2 line LCD. |
|
S&T-MC073 |
8 Zone Intruder Alarm System (230V Ac) |
|
|
A Micro controller based intruder alarm can offer
the following features.(1) Moritoring and singnaling
of each sensor for activation and cable
continuity.(2) Temper input panic push button.(4)
LED's indicate. |
|
S&T-MC074 |
Home Automation Control System using DTMF Telephone
Line (12V DC) |
|
|
Dial your number using DTMF phone or cell phone from
anywhere in world and remotely turn On/Off any of 8
relays.The MCU on ther interface senses Telephone
ring,Automatic telephone pick up,and line hang
up,displays information on a 16x2 LCD module and
controls the relay switching.This interface uses the
popular MT8870 DTMF decoder IC analog with AT89C52. |
|
S&T-MC075 |
Microcontoller based Security Access System using
89c51 |
|
|
This project uses Micro controller to offer Door
Access with the following feature(1) - 4x4 matrix
keypad for entering Access Code.(2) - 16x2 Line LCD
module to display status and Error Message (3) - 3A
Relay to control / Operate electronic lock or
devices connected to the interface.(4)-On board
flash EEPROM that stores system Parameters and
Access Code and needs no battery backup.(5)-Buzzer
to annunciate a key press and error situation. |
|
S&T-MC076 |
Microcontroller based telephone Intercom system [230
AC] |
|
|
This is simple but effective solution for internal
intercom system for home,office,school,collage or
banks. The system is intended for up to seven sets
each of which generates a pulse code when a number
is dialed or keyed in. This projects uses
microcontroller to offer the following feachures. |
|
S&T-MC077 |
Security Auto Dailing System [12V DC] |
|
|
The Projects consists of two sensor(door sensor and
fire sensor) whenever it is detected by the any one
of the sensor it sends a signal to the Auto dialer.
The Auto dialer wil then automatically dials up to
four preset telephone phone numbers and plays your
prerecorded message. |
|
S&T-MC078 |
Water Level Controller with LCD Display |
|
|
Here is a micro controller based,versatile circuit
with indicates the level of water in a tank. This
circuit produces alarm when water level is below the
lowest level L1 and also control the pump (on and
off) when water just touches the highest-level L8.
The circuit is designed to display 8 different
levels on LCD display. |
|
S&T-MC079 |
Real Time Clock using AT89S8252 |
|
S&T-MC080 |
Electonic Voting Machine using AT89C51 |
|
S&T-MC081 |
Stopwatch Using AT89C51 |
|
S&T-MC082 |
Countdown counter using Atmel AT89C51 |
|
S&T-MC083 |
Fastest Finger First using microcontroller 89C51 |
|
S&T-MC084 |
Microcontroller based DC Motor Controller using
AT89C51 |
|
S&T-MC085 |
Microcontroller base Code Lock using AT89C2051 |
|
S&T-MC086 |
RS232 Anolog To Digital Converter using AT89C51 MCU |
|
|
A 8 - bit ADC chip interface with the 8051 micro
controller. A micro controller read the data and
send it to the serial prot(RS 232). |
|
S&T-PC001 |
PC to PC Optical Fiber Communication |
|
S&T-PC002 |
8 Channel Remote Control using Printer port [12V DC] |
|
|
This kit with the help of a computer program can
control External Equipment Using your printer Port
with the of control Relays.Kit Comes Along With
Circuit Diagram,Working Explanation,Part
Explanation,Assembling Instruction,Basic Desciption
of PC Serial(RS232) port & Component data sheets. |
|
S&T-PC003 |
PC Based Dual Stepper Motor Driver (Kit with Stepper
motor) |
|
|
This kit Enables Users to Control A Stepper Motors
via A Parallel/Printer Port of A PC.Kit comes Along
with circuit Diagram,Working Explanation,Part
Explanation, Assembling Instruction,Basic Desciption
of Stepper Motor,PC Parallel port & Component Data
Sheets. |
|
S&T-PC004 |
PC to PC Communication Using Fiber Optic Cable |
|
|
This kit is designed for data Communication.You can
transmit your data from One PC to another Pc with
the Help of Fiber Optic Cable.Kit comes along with
circuit diagram,working explanation,part
explanation,assembling instruction Basic description
of PC serial port(RS232),Fiber Optic Cable &
Datasheets. |
|
S&T-PC005 |
Online Monitoring and Control System [12V] |
|
|
This is a Micro controller based project to control
8 power Outlets By net. These days' permanent
Internet connections like cable. Are spreading among
the people so web based devices started. To useful
even for the normal Households and industrial
application.The Device can be accessed from anywhere
on the'Net". |
|
S&T-PC006 |
PC Based Door Access and Attendance Logger using
RFID. |
|
|
RF Id is wireless solution for the security
application. This is the Wire less door access
system using micro controller and RF module. In this
system one receiver connected with the door and
Computer serial port for attendamce recording,it's
read the ID of valid user.If any user come near the
door with the RF ID tag,door will be open
automaticaly for few second and display the user ID
on PC.PC store Attendance with date and time.(kit
with two tag) |
|
S&T-PC007 |
Appliance control by Voice [12V DC] |
|
|
This is the PC based Relay controller,which can be
controlled by your voice commands,using PC based
voice recognition and micro controller interface.
You can control appliance by voice. |
|
S&T-PC008 |
PC based Door Access and Attendance Logger Using
Smart Card. |
|
|
This is smart card based Access System for
Bank,ATM,Bank Lockers,Schools,Collage and home
security application.It's using micro controller and
smart card(Memory Card). Pc interfaces for Display
user ID,Photograph and stores the user Attendance
with time and date(kit with four card). |
|
S&T-PC009 |
PC Based Thermometer [12V DC] |
|
|
The Microcontroller is used to read and display LM35
& also send data to PC via RS232 for data logging or
display. |
|
S&T-PC010 |
PC Controlled Data Acquisition System |
|
|
This kit connects to the standard PC parallel
printer port and provides a 'real word'interface for
your computer.It enables the PC to both monitor and
control external events and devices.The world is a
mixed analog & digital world.With the appropriate
sensor the PC can monitor physical variables such as
pressure,temperature,light
intesity,weight..etc,process the information and
then use the result to control physical devices such
as motor,siren,relay..etc. |
|
S&T-PC011 |
Wireless Device Controller by PC [12V DC] |
|
|
The RF based transmitter and reciever board is
designed for wireless Device control. Transmitter
connects with PC serial port and sends command (kit
with PC Softwear).Receiver has eight relays for
controlling external load. |
|
S&T-PC012 |
USB Device control by PC [Triac] |
|
|
Our USB Device control Board is a solution for
controlling up to 8 Triac(Device) via PC USB port.
This is main features list, [1] Up to 8 triac
control [2] No need External Power Supply [3] Data
received indicator LED [4] LED indicator to display
triac on. |
|
S&T-PC013 |
USB Device control by PC [Relay] |
|
|
Our USB Device control Board is a solution for
controlling up to 8 relay(Device) via PC USB port.
This is main features list, [1] Up to 8 relay's
control [2] Operate on 12V DC Power Supply [3] Data
received indicator LED [4] LED indicator to display
triac on/off state. |
|
S&T-PC014 |
RS232 Servo Controller Board [12V DC] |
|
|
Our 8/16 Servo Controller Board is a solution for
controlling up to 8/16 Servos via PC. There main
features, [1] Individual servo controlled via PC
serial port interface [2] RS232 serial port
interface [3] Windows based softwear for Manual and
Automatic [4] Windows based interface-works with
WIN95,98,2000,ME and XP [5] Microcontroller based
design for greater flexibility and ease of control
(kit with RS232 data cable). |
|
S&T-PC015 |
PC Programmable Intruder alarm system [12V DC] PC |
|
|
This security system is designed to be used in a
simple installation with just a hidden switch and
not a keyboard.there are several features such as a
battery monitor, entry delay,exit delay,bell time
that also make it good for remote locations just run
off a battery. |
|
S&T-PIC001 |
PIC Microcontroller Based Electronic Lock |
|
S&T-PIC002 |
Temperature Indicator Using PIC 16F877A |
|
S&T-PIC003 |
Programeble Count Down Timer Using PIC Micro (230v) |
|
|
This count down timer is very useful for industrial
application. Its time delay is programeble, from 1
minute to 99 minutes with 4 digit 7 segment LED
disply. Kit include circuit diagram, working
explanation, part explanation, assmbling instruction
& comp |
|
S&T-PIC004 |
Micro Controller Based Programmable Security Door
Lock |
|
|
This Project is a very useful door security
application. It operates a relay (for example to
open a door) for a few seconds when a valid code is
entered.The secet code can be changed any time after
entering the current code.Kit includes the relay for
Door. |
|
S&T-PIC005 |
Stepper motor controller using micro controller (kit
with 8.2V 2 phase unipolar stepper motor) |
|
|
This kit is very useful to control a 2 phase
unipolar pm type DC stepper motor. Kit include
circuit diagram, working explanation, part
explanation, assmbling instruction, a basic
discription of stepper motor component data sheet.
excellent for eng. student. |
|
S&T-PIC006 |
40 MHZ Frequency Counter using PIC Micro Controller |
|
|
This project proposes s simple frequency
reader,which can be used as a workbench instument.In
face it exhibits several very interesting
features,like a maximum working frequency abvoe 40
MHz, a 10 Hz resolution,a low consumption (50 ma)
and a very simple. |
|
S&T-PIC007 |
Ultrasonic Range Finder Using PIC Micro Controller |
|
|
This project is a handheld range finding
device,using ultrasound and a PIC 16F84
microcontroller.A 16x2 LCD displays the measurement
in meters,feet & inches.Kit includes circuit
diagram,working explanation,part
explanation,assembling instruction & component. |
|
S&T-PIC008 |
Micro Controller Based wind Speed Meter with 16x2
LCD Display |
|
|
A completely solid-state anemometer using ultrasonic
Techniques to measure wind speed.Highly accurate.
LCD readout in metric or imperial Displays up to 50
mph.Kit Comes Along with Circuit Diagram,Working
Exolanation,Part Explanation,Assembiling Instruction
& component. |
|
S&T-PIC009 |
Security Access system (230v) |
|
|
The micro controller base digital lock presanted
hear is an access control system that allows only
authorised person to access to a restricted
area.when an authorised person enters predetermined
number (Password) via the keypad / the relay
opparated for a |
|
S&T-PIC010 |
DTMF Telephone Remote Control |
|
|
This device connects to the telephone lone and can
be used to remotely control up to 3 relay outputs
using a DTMF (tone dialing) telephone. A PIC micro
controller controls the switcher. |
|
S&T-PIC011 |
Micro Controller Based Dual Temperature Meter with
RS232 Interface |
|
|
The Micro controller is used to read and display two
LM35 based Temperature Sensor Connected to it on a
16x2 Line LCD module.This information is also sent
to the PC via RS232 for Data logging or display. |
|
S&T-PIC012 |
Micro Controller Base Heartbeat Monitor |
|
|
The Heartbeat monitor design presented here takes
advantage of a OUC16F87X micro controller's
capabilities and uses an alphanumeric
LCD.Screen,Plus serial data link to a PC-compatible
computer.The design can be used as a handheld unit
without using a PC. In this role it outputs
heartbeat waveform to the LCD. |
|
S&T-PIC013 |
SMS Based Device Control Using GSM Modem |
|
|
A GSM based SMS Control System; u can just send SMS
by cell phone and control eight Devices.Displays
information on 16x2 LCD module and controls the
relay switching. This interface uses the Micro
controller and GSM Modem.Complete solution to your
Home Automation by SMS.(Kit with GSM modem). |
|
S&T-PIC014 |
Programmable Temperature Controller [12V DC] |
|
|
It's based on a PIC MCU and National Temperature
Sensor.The Temperature is displayed on a 16 x 2 LCD
display,and two buttons are used for setting
parameters.On Board flash EPROM that stores
Parameters and needs no attery backup. A high
current relay switches the load,which can be a
heating elememt. |
|
S&T-PIC015 |
Digital Remote Control Audio Processor [12V DC] |
|
|
This project presents an infrared remote control
digital four channel audio processor.It is based on
micro controller and audio processor chip. Its main
features are 1) infrared remote control. 2) Full
function keys on for audio processor controlling 3)
four channel stereo input.4)
volume,baas,treble,mute,surround and balance control
5) setting desplay on ten individual LED.(kit with
remote hend set) |
|
S&T-PIC016 |
RF ID Door Access Systems [12V DC] |
|
|
RF ID is a wireless solution for the security
application. This is the wire less door access
system using micro controller and RF module. In this
system one reciver connected with the door and user
have on RF ID tag (Tx), its read the Id of valid
user. If any valid user comes near the door with the
RF ID tag,door will be open automatically for few
second and display the user ID on LCD Display.(kit
with 2tag) |
|
S&T-PIC017 |
Smart Card Based Door Access System with LCD [12V
DC] |
|
|
This is smart card based Access system for Bank
ATM,Bank Lockers,Schools,Collage and home security
application. Its using micro controller and smart
card(memory card). (kit with four card) |
|
S&T-PIC018 |
Programmable Scrolling Message Sign Board [12V DC] |
|
|
This is a great kit to help you build your
electronics knowledge plus when you are done
building it you will have a product that you will
actually use. This scrolling sign has different
characters and can store messages up to 4000
characters long, The message are store in memory
even afterpower-down.so,it'll be there when you turn
it back on the scroll rate is adjustable to 10
different speeds.you can connect directly to your
computer and type message with your keyboard. |
|
S&T-PIC019 |
SERVO motor Controllder Board (Preset) |
|
|
Our 5 channel Servo Controller Board is a solution
for controlling up to 5 servo via onboard preset or
potentiometer. [12V DC] |
|
S&T-PIC020 |
SERVO motor Controllder Board (Switch) |
|
|
Our 5 channel Servo Controller Board is a solution
for controlling up to 5 servo via onboard or
external switches. [12V DC] |
|
S&T-SC001 |
Heat Sensitive Switch (0511) |
|
|
This circuit can be used to switch on or off the
load at a predetermined temperature. The temperature
is set through the output of a temperature sensor IC
or heat sensor and a voltage divider network. When
the temperature reaches the preset value, the
circuit energises the relay and automatically turns
on the load such as fan through the contact of the
relay. |
|
S&T-SC002 |
DS 1820 Based High Precision Temperature Indicator |
|
S&T-SC003 |
Temperature Controlled Fan |
|
S&T-SC004 |
12 channel switch remote |
|
S&T-SC005 |
12 Channel Infrared Remote Controle System (kit with
remote hand set) |
|
|
This is the multi channel infrared Remote system
offers far too many features to list them all
here.(1) 12 channels,each individually controlled
(2) Infrared operated from commercial
hand-held,Infrared remote,(3) Long range(>15m)
operation,(4) Relay output 10A rated changerover
contects.(5) Two banks of relay.(6) Each bank can be
set to momentary or toggle(push on,push off)
mode.(7) Relay Indicator LED.(kit with remote
handset). |
|
S&T-SC006 |
14 Channel Infrared Remote Decorder Module(6-12V DC) |
|
|
This Kit uses a commercial 14 button remote
control,unit to put an active low signal onto one of
14 output pins on a decoder IC.That is,when a
buttorn is pressed the pin corresponding to that
button goes low.Normally,each of the 14 output pins
is high. |
|
S&T-SC007 |
8 Channel RF Remote Control [12V DC] |
|
|
This is the multi channel RF Remote system offers
far too many features to list them all here, [1] 8
channels,each individually controlled [2] long range
(100 to 300m in open space) operation [3] Relay
output 5A rated changeover contactsor toggle (push
on,push off) mode.Relay Indicator LED. |
|
S&T-SL001 |
Automatic Low Power Emergency Light (0801) |
|
|
Here is a white-LED based emergency light that turns
on automatically when main supply fails and turns
off when mains power resumes.It has its own battery
charger and stops when fully charged. |
|
S&T-SL002 |
Microcontroller based Solar Charger with 10W Solar
Panel |
|
S&T-SL003 |
Solar Light System with 10W Panel |
|
S&T-SL004 |
Street Light Controller |
|
S&T-SL005 |
Microcontroller based LED Light Chaser |
|
S&T-SS001 |
Secure Digital Access System Using iButton |
|
S&T-SV001 |
Speed Checker For HighWays (0512) |
|
|
With the two lasers installed at 100m apart on one
side and corresponding LDRs on the other side of the
highway,when the vehicle crosses the two laser
beams,this circuit can check the speed of a vehicle
through the readings on a 7-segment display unit. It
also activates an audio alarm (piezo-buzzer)when the
vehicle exceeds the permissible limit. |
|
S&T-SV002 |
Ultrasonic Movement Detector |
|
|
This circuit will find many uses as it restricts
entry to an unwanted person in a particular area
scanned by the transducer.The circuit in turn
triggers the relay to put on txternal load up to
1000w. |
|
S&T-RBT001 |
Microcontroller based ROBO Car with Major Electronic
Components |
|
S&T-RBT002 |
Remote Controlled Land Rover - A DIY Robotic Project
-0606 |
|
|
The project integrates a number of circuits to
achieve the working model of a Land rover vehicle.
It can be remotely instructed to perform simple
functions through appropriate push-button switch on
the remote control like : move forward, backward,
right and left. |
|
S&T-RBT003 |
Cellphone Operated Land Rover (Atmega 16)-0807 |
|
|
In this project,the robot is controlled by a mobile
phone that makes a call to the mobile phone attached
to the robot.In the course of a call,a tone
corresponding to the button pressed is heard at the
other end of the call. |
|
S&T-RBT004 |
Line follower Robot with PIC microcontroller |
|
S&T-RBT005 |
Wall Follower Robot with PIC microcontroller |
|
S&T-RBT006 |
Edge Detector/Avoiding Robot with PIC
Microcontroller |
|
S&T-RBT007 |
Obstacle Detector /Avoding Robot with PIC
Microcontroller |
|
S&T-RBT008 |
URDP (Universal Robotics Development
Platform)Chassis |
|
S&T-RBT009 |
Wireless Computer Control Module |
|
S&T-RBT010 |
Golbo Chassis—Robotic Development Platform |
|
S&T-RBT011 |
Universal Robotic Development Platform - URDP |
|
S&T-RBT012 |
Robotic Arm and Gripper Kit |
|
S&T-RBT013 |
Robot Controller - 8051 |
|
S&T-RBT014 |
tMECH Kit (OPTO card based Robotic Kit) |
|
S&T-RBT015 |
tBOT Kit (8051 based Robotic Kit) |
|
S&T-RBT016 |
tROBS Kit (AVR based Robotic kit) |
|
S&T-RBT017 |
tMICE Kit (Micromouse Assembled Kit) |
|
S&T-RBT018 |
Cell phone Controlled Robots |
|
S&T-RBT019 |
Obstacle Avoiding Robot |
|
S&T-RBT020 |
Wall Follower Robot |
|
S&T-RBT021 |
Edge avoiding robot 8051 |
|
S&T-RBT022 |
Object sorting robot based on color without conveyer |
|
S&T-RBT023 |
Vacuum Cleaning robot |
|
S&T-RBT024 |
Pipe Climbing Robot |
|
S&T-RBT025 |
Fire Fighting Robot |
|
S&T-RBT026 |
Robotic fork lift |
|
S&T-RBT027 |
Object sorting robot based on color with conveyer |
|
S&T-RBT028 |
Agriculture Robot |
|
S&T-RBT029 |
Spider Robot-Six legged robot |
|
S&T-RBT030 |
PIC robotic Development Platform with Programmer and
Chassis |
|
S&T-RBT031 |
MATLAB based Survelillance Robot |
|
S&T-RBT032 |
Mobile Multifunction Robot |
|
S&T-RBT033 |
PC Based Robot without GUI |
|
S&T-RBT034 |
PC Based Robot with with GUI in Lab VIEW / MATLAB |
|
S&T-RBT035 |
GSM Control Wireless Robot |
|
S&T-RBT036 |
Wireless ROBO controller by PC [12V DC] |
|
|
The RF based transmitter and receiver board is
designed for wireless motor controlling. Transmitter
connects with PC serial port and sends command (kit
with PC soft wear.) Receiver has two channel motor
driver to control a DC motor (Left,Right and Stop). |
|
S&T-AM007 |
SCADA ( Supervisory Control and Data Acqisition) for
remote industrial plant operation |
|
|
Supervisor sitting on the PC terminal is able to
control plant parameters remotely over Rs 232
network while monitoring the data acquired through
several sensors.The project uses a front end for the
control and a backend with microcontroller
interfaced to an ADC from temperature sensors for
data collection and control. |
|
S&T-CE001 |
Three phase star delta starter using relays and
adjustable electronic timer for induction motor |
|
|
Star/Delta starters are probably the most common
reduced voltage starters in the 50Hz industrial
motor world. This project operates a 3 phase motor
at 440 volt AC mains supply 50 Hz with a set of 12
volt DC relays, an electronically adjustable timer
and a set of relays. |
|
S&T-CE002 |
Induction motor protection from Single phasing and
over temperature |
|
|
Protecting a 3 phase induction motor from single
phasing, over voltage and over temperature using
sensors interfaced to micro controller to output a
relay operation for disconnecting the motor. |
|
S&T-CE003 |
Soft start of 3 phase induction motor by using 2
nos. Back to back scrs in each phase |
|
|
Here we use 6nos of silicon controlled rectifiers in
anti-parallel, two in each phase which are phase
controlled in a similar manner to a light dimmer,
where they are gradually turned on for a part of
each cycle to control the voltage by varying the
conduction angle of the SCR. Increasing the
conduction angle will increase the average output
voltage. By variation of the conduction angle, the
output voltage can be reduced during starting and
then the SCRs are bypassed. |
|
S&T-CE004 |
Soft start of 3 phase induction motor by using 2
nos. Back to back scrs in each phase(using lamps
only) |
|
|
Understaning soft start of IM by watching the lamps
connected in place of the 3 phase motor from low
voltage low intensity to full voltage full intensity
at the time of start. |
|
S&T-CE005 |
Three phase fault analysis with auto reset on
temporary fault and permanent trip otherwise |
|
|
six number of step down transformers used for
forming one star and another delta at the output
with a set of switches to inputs LL, LG, 3L fault
that triggers a 555 timer in monostable to reset or
permanently trip the output relay connected to
another 555 timer in astable. |
|
S&T-CE006 |
High voltage dc upto 3kv from ac by using diode and
capacitors in ladder network |
|
|
1000 PIV diodes in combination with 100MFD
electrolytic capacitors forming a ladder network
multiplies the input AC to develop 12 times
approximately DC output. |
|
S&T-CE007 |
Auto selection of any available phase in 3 Phase
supply system |
|
|
The project is to provide ac mains supply 230 volt
to the single phase load if any of the phases, out
of the 3 phases in a house goes missing. |
|
S&T-CE008 |
Wireless power transfer |
|
|
The project is to develop a system of wireless power
transfer for pace makers battery charging (An
electronic device implanted in body that works in
place of a defective heart valve) .Otherwise the
patient is required to be operated every year to
replace the battery . |
|
S&T-CE009 |
Induction heating by high frequency power ouput |
|
|
25 KHz power generation for a very low impedance
coil to work as instant induction heating for
medical steralization applications. |
|
S&T-Tele009 |
Incoming phone ring light flasher |
|
|
Phone line is connected through an opto isolator
that drives a relay / triac through a transistor
whenever ring is detected to switch on a 230V lamp
to flash in accordance to ring. |
|
S&T-EE007 |
Up and Down controlled speed of DC motor in Embedded
System |
|
|
The speed of motor is directly proportional to the
DC voltage applied across its terminals where the
voltage is applied to control motor speed with Pulse
Width Modulation wave. Here based on the pulse duty
cycle provided by microcontroller the speed and
direction of motor are controlled. |
|
S&T-EE008 |
Automobile head light lamp intensity dimmer to
control glare |
|
|
12volt, 10 watt automobile lamp dimmer by varying
pulse width and driven by MOSFETS. |
|
S&T-EE009 |
Remote speed control by thyristor trigger angle
change with display of delayed firing angle |
|
|
Using a standard TV remote with IR sensors
interfaced to a micro controller , reads the coded
data from the remote to activate the corresponding
output pin to change the time delay for the
thyristor firing in 8 steps that drives with varying
speed the induction motor. |
|
S&T-EE010 |
A low cost microcontroller based system high
performance AC motor drives |
|
|
Based on the principle of firing angle control of
two thyristors connected in anti parallel is fed for
the output to the control circuit. The firing angle
would be manually adjusted to maintain the load
power in the event of fluctuating AC voltage from
high to low and vice versa. |
|
S&T-EE011 |
High power AC lamp flasher for aviation obstruction
indication purpose |
|
|
Aviation obstruction lamp flasher from AC source to
warn air crafts for possible crash. |
|
S&T-EE012 |
Micro controller based lamp life extender by ZVS
(Zero Voltage Switching) using thyristor |
|
|
Incandescent lamps exhibit very low resistance in
clod condition due to which it draws high current,
resulting in failure on switching. Engaging two SCRs
in anti parallel or a triac the switching on time
can be precisely controlled by firing after
detecting the zero cross point of the waveform. |
|
S&T-EE013 |
Solid-state relay with ZVS properties analyzed on
CRO |
|
|
A three phase solid state relay that incorporates
three single phase units where each phase is
controlled individually by a power triac with
optional snuber network and an optically isolated
triac driver with current limit by a constant
current arrangement. The zero crossing feature of an
opto-isolator ensures lower generated noise and
sudden inrush currents on resistive loads and
moderate inductive loads. |
|
S&T-EE014 |
Cycle stealing of mains supply used to control ac
power without generating harmonics |
|
|
Cycle stealing is a method to remove portions of
full cycles/one cycle of an AC signal for
controlling AC power across AC heater loads
controlled by a set of switches interfaced to a
microcontroller with a loaded programme in the
memory as required by an industrial furnace. |
|
S&T-EE015 |
Display turn table speed control
for shops |
|
|
Low speed syncronous AC motor with programmed speed
control in four steps using microcontroller and
thyristor. |
|
S&T-EE016 |
High power AC to DC by thyristor firing angle
control |
|
|
DC power is controlled with zero crossing detectors
and sending to the microcontroller to fire
thyristors using the opto isolator. The ac power is
applied to the bridge rectifier comprising of diodes
,triacs and SCRs to get controlled DC at the output. |
|
S&T-EE017 |
Ultra fast acting Solid state circuit breaker |
|
|
The project is to shut down the power supply when it
is overload. Conventional circuit breaker is based
on thermal bimetal lever trip mechanism is very slow
and the trip time is dependant upon the percentage
of overload. Here the voltage sensed from a CT is
compared against the preset voltage proportional to
the current by a level comparator to generate an
output for the contactor to trip the load. |
|
S&T-EE018 |
A microcontroller based control of current source
converter fed reversing induction motor drive by
remote control. Ideal for exhaust fans to throw air
out and bring air in by remote as desired |
|
|
The controller receives the Infrared Signal from the
IR remote, the code of which is identified by the
receiver that switches on/off the appropriate triac
for a split phase induction motor to achieve desired
direction. |
|
S&T-EE019 |
TV remote operated curtain closer/opener |
|
|
Syncronous motor operated either direction movement
of curtains remotely by standard TV remotes in
commercial complexs. |
|
S&T-EE020 |
Cyclo converter FOR Fundamental,F/2,F/3 using gate
controlled thyristors |
|
|
The induction motor is a constant-speed machine. The
difficulty of varying its speed economically
constitutes one of its main disadvantages which is
overcome by using a thyristor controlled
cycloconverter that enables the speed to be lowered
in steps by Microcontroller triggering a SCR bank of
8nos duly isolated by opto isolators for a F/2 & F/3
achieved by appropriate programme.F stands for
frequency. |
|
S&T-EE021 |
Energy meter to indicate billing in rupees for load
wise or day wise |
|
|
Calculating energy details based on the load
consumption in rupees and units with displays on a
16X2 LCD duly interfaced with the microcontroller. |
|
S&T-EE022 |
Power factor control by automatically engaging
approperiate number shunt capacitors for inductive
load |
|
|
The time lag between the zero voltage pulse and zero
current pulse duly generated by suitable operational
amplifier circuits are fed to two interrupt pins of
the microcontroller where the program takes over to
actuate appropriate number of relays at its output
for bringing shunt capacitors into the load circuit
to get the power factor till it reaches 0.95. |
|
S&T-EE023 |
Lagging and leading power factor display in
industrial environment |
|
|
Display of lagging and leading power factor by
measuring the time difference between voltage and
the current in ac circuits |
|
S&T-EE024 |
Detecting power grid synchronisation failure on
sensing out of range frequency or voltage |
|
|
This paper presents the development of a
microcontroller based islanding detection for grid
connected inverter with very simple under/over
voltage and under/over frequency islanding detection
algorithms. The microcontroller monitors the
under/over voltage and under/over frequency from
utility grid and the processed value of voltage and
frequency for turning on/off the relay between a
grid connected inverter and the utility grid. |
|
S&T-EE025 |
LED based street light with programmable intensity
control using solar power from photovoltaic cells |
|
|
LED based street light with programmable intensity
control using solar power from photovoltaic cells
and a programmable microcontroller fed to a Mosfet
for varying intensity during late nights
automatically. |
|
S&T-EE026 |
GSM based monthly Electricity energy meter billing
with SMS and display to the user |
|
|
Domestic electricity consumed is displayed in rupee
terms on daily and monthly basics to the user and
billing details sent over GSM network form the user
to the department for generating the printed bill.. |
|
S&T-EE027 |
PID/FUZZY Logic control for a brussless DC motor to
run at the exactly entered speed |
|
|
Precise speed entered through a numeric key pad
interfaced to a micro controller maintains the
entered speed of a BLDC motor by sensing shaft
mounted IR sensors working on a closed loop circuit
by a half brige ac to Dc circuit comprising 2 SCRs
and 2 Diodes . |
|
S&T-EE028 |
Precise killometer calculation by underground cable
fault detector |
|
|
Feeding a voltage through a fixed set of resistors
representing distance in kilometers and resulting
varying current fed to a ADC interfaced to a micro
controller outputs the display in kilometers based
on current flow at specific fault created by a set
of switches for testing purposes. |
|
S&T-EE029 |
Single phase induction motor soft start by stepped
delay of reducing firing angle |
|
|
Charge and discharge of a capacitor at the switch on
time and generating a saw tooth voltage is then
compared by a comparator to reduce the firing angle
from 180 degree to 0 degree progressively to achieve
soft start of a induction motor. |
|
S&T-EE030 |
2 Phase BLDC motor speed control using FUZZY logic
control |
|
|
The Project consists of an input stage, a
microcontroller processing stage, and an output
stage. The input stage maps sensor to the
appropriate membership functions and truth values,
processing stage invokes them and the output stage
results back into specific control output value. |
|
S&T-EE031 |
Hall effect sensor based speed measurement of DC
motor |
|
|
Hall effect controlled microcontroller based non
contact type speed measurement system and display. |
|
S&T-EE032 |
A PLD, (Programmable logic device) based BLDC motor
operation |
|
|
The project uses a microcontroller and a EEPROM to
store the logic configuration for operation of the
motor which is driven by a motor driver IC. The
input is set by a set of switches with display. |
|
S&T-EE033 |
Precise illumination control of lamp |
|
|
Precise percentage of illumination entered through a
numeric key pad is interfaced to a micro controller
to maintain illumination of a lamp.The firing angle
would be automatically adjusted to maintain the load
power to the lamp such that the entered intensity
matches the required one. |
|
S&T-EE034 |
A single-chip microcontroller based real-time PWM
inverter |
|
|
A single-chip microcontroller based real-time PWM
inverter using PWM IC SG3524 and SCR for charging
purposes using firing angle control with auto
changeover switch from mains supply to inverter
supply in the event of mains failure. |
|
S&T-FM011 |
A low cost long range FM transmitter with audio
modulation |
|
|
A low cost FM transmitter with audio modulation
consisting of 106 MHz oscillator circuit, VFO and RF
power amplifier connected to a tuned Yagi antenna to
cover about 5 km line of site distance. |
|
S&T-Light040 |
Rhythm following flashing lights |
|
|
Sound signals sensed by condenser microphone are
amplified to feed to triacs to drive the bulbs or
LED via opto isolator to increase or decrease the
lamp intensity according to the music level. |
|
S&T-Light041 |
Mains operated LED light in string |
|
|
A string of LED’s are made to operate at 230V AC by
series capacitor drop and current limit resistor and
then being rectified to DC for maintaining a safe
operating voltage for the LEDs. |
|
S&T-MC087 |
PWM fed MOSFET controlled street light auto
intensity control in 8 steps |
|
|
White Light Emitting Diode (LED) replaces HID lamps
by engaging a programmable microcontroller that
controls intensity by pulse width modulation duty
cycle which enables energy saving during late nights
considering low traffic density. |
|
S&T-MC088 |
Becon flasher using microcontroller and PWM fed
MOSFET |
|
|
Slow flashig of LED lamps at one second interval for
becon light warning system at sea shores. |
|
S&T-MC090 |
Industrial drafting fan in stepped speed control
using BLDC motor |
|
|
Eight step control of BLDC motor speed by
microcontroller fed MOSFET for meeting industrial
needs. |
|
S&T-MC091 |
Discothec light stroboscopic flasher |
|
|
Cluster of high power LED replacing strboscopic
light flasher driven by microcontroller controlled
solid state power switch. |
|
S&T-MC092 |
Automatic alternate supply controller from 4
different sources to ensure no break power |
|
|
The main scope of the project is to consume the
power from supply mains, generator, and wind power
and solar optimally by using appropriate programme
through microcontroller in most cost effective way. |
|
S&T-MC093 |
Auto selection of Fan available from multiple supply
sources |
|
|
Un-interrupted supply to critical cooling fans from
any available supply source. |
|
S&T-MC094 |
Random on/off of lamps to deter burglars for locked
houses |
|
|
Automic switching On/Off of lamps at random
intervals in locked house to deter burglar attempt |
|
S&T-MC095 |
Automatic irrigation system on sensing soil moisture
content |
|
|
The circuit comprises of sensor parts built using
op-amp IC LM324 and are configured here as a
comparator. Two stiff copper wires are inserted in
the soil to sense whether it is dry. The
Microcontroller turns the motor ON and OFF based on
sensors condition that is dry or wet respectively.
.Sensor signals are operated with the control of
software that is stored in ROM of the MC. |
|
S&T-MC096 |
Laser beam controlled garage door opener |
|
|
Hand held laser light beam sensed door opener using
microcontrollerfrom a long distance. |
|
S&T-MC097 |
Low cost Programmable logic control (PLC) for
industrial automation in repetative nature of work |
|
|
Objective is designing a microcontroller based
programmable time setting by the user through
microcontroller architecture loaded with an
application program. Switches are provided for set
mode, auto mode , manual mode and time change mode.
Machines will run based on/off sequentially in auto
mode in default time settings or set mode time
setting or manual mode depending on the user’s need
and flexibility. |
|
S&T-MC098 |
Automatic washing machine control with manual
override |
|
|
Sequential operation of washing machine having
programable time for each operation and manual also
operation alternatively. |
|
S&T-MC099 |
Automatic Wireless health monitoring system in
hospitals for patients |
|
|
Monitoring patient health remotely in hospitals over
wireless from the patient bed to the doctor’s
chamber by RF with LCD display at both ends and
optionally an alarm on critical situation. |
|
S&T-MC100 |
Transformer temperature monitoring by wireless to
control room |
|
|
Temperature rise of distribution temperature sent
over RF on realtime basis to the control room for
approperiate action. |
|
S&T-MC101 |
Precise temperature control for incubators used in
hospitals for the pre born child growth |
|
|
Microcontroller observes temperature readings taken
from display unit and compares with the keypad
programmed temperature value to control the heater
(ON/OFF). Here the controller continuously polls the
temperature with certain regular time intervals and
displays over the 7_segment display unit for the
Microcontroller (Intel 8051) to enable the whole
operation by executing the program. |
|
S&T-MC102 |
Temperature warning system for Nuclear plants |
|
|
Early waring alarm system of temperature rise in
Nuclear plants to avoid future dissasters. |
|
S&T-MC103 |
Passenger counter in public transport to alert the
driver for excess entry IN/OUT |
|
|
This application keeps the database of the number of
persons entering as well as exiting. 555 timer
driven 38 KHz signal from LED’s gets interrupted on
to the IR receiver to sense the person entering as
well as exiting. This signal is fed to AT89C51 micro
controller for analyzing and control purpose with
LCD displays on the number of persons in and out. |
|
S&T-MC104 |
Overload alarm warning system in a passenger lift
with number of occupants indication |
|
|
2 digit 7 segment LED display of occupants ,driven
from microcontroller along with warning system on
excess people in a lift |
|
S&T-MC105 |
Smart card enabled employee identification for
secruity purpose |
|
|
The project is developed to identify the employees
with ID cards over the campus, where a module is
provided to read the ID number from card. Whenever
card ID number in the card is matched with the
inbuilt ID number in the code then LCD display would
indicate that the card being accepted with a relay
used to enable opening and closing a door after a
delay to avoid the next one to enter . |
|
S&T-MC106 |
Smart card based door security system |
|
|
Security area authenticated entry system by
individual smart card identification and reading
system. |
|
S&T-MC107 |
PC managed home automation system using embedded
technology |
|
|
This project external electrical load applications
controlled with the help of PC. PC is connected to
microcontroller through MAX 232 level shifter, ULN
(Driver) is used to drive the relays for connecting
to external devices. DB (RS-232) connector is used
to connect to PC com port. |
|
S&T-MC108 |
Portable coded wireless message communication
between two parties secretly with LCD display |
|
|
The aim of the project is to send encrypted text
message transmitted through RF by using Micro
Controller and received at receiver which is
decrypted by another Micro Controller where message
is displayed over the LCD display. Transmitter gets
data from a standard computer keyboard and encrypts
with a private algorithm. At receiver end the Micro
controller decrypts it with the same algorithm and
displays the data on LCD. |
|
S&T-MC109 |
PC based wirelss notice board |
|
|
Text message from a computer keyboard attached to a
microcontroller is encrypted with LCD display to
have decrypted message at receiver end all
controlled by bidirectional RF cmmunication |
|
S&T-MC110 |
Dynamically changing signal light time allotment in
street junctions based on traffic density |
|
|
The project is to solve traffic congestion by a
dynamic and automatic traffic light control system
based on the traffic density using appropriate
system and hardware. IR sensors across the road used
to monitor the length of vehicles blocking the road
traffic. The signals from the IR receivers are fed
to the Microcontroller to follow different time for
different level of traffic. |
|
S&T-MC111 |
Remote controlled domestic appliances control |
|
|
A typical TV remote sends certain coded infrared
data which is then burnt to a micro controller to
drive desired output while same signal is received
from an IR receiver interfeced to it.The output from
the microcontroller drives the load through relays
or opto isolators and triacs. All the buttons of the
remote can be used for as much number of loads to be
operated. |
|
S&T-MC112 |
Password based circuit breaker control to ensure
electric line man's safety |
|
|
The micro controller based door locker is an access
control system that allows only authorized persons
to access a restricted area. The system is fully
controlled by the 8 bit micro controller AT89C51
which has a 2Kbytes of ROM for the program memory.
The password is stored in MC can be changed at any
time. |
|
S&T-MC113 |
Password based jail chamber gate operation by motor |
|
|
Numeric keypad interfaced microcontroller to sense
exact password for door opening and closing in high
secruity area. |
|
S&T-MC114 |
Multiple ON and OFF time programmed industrial load |
|
|
Time Operated Electrical Appliance Controlling
System is a reliable circuit that takes over the
manual task of switch on/off the electrical devices
with respect to time. It has an Inbuilt Real Time
Clock (RTC) which tracks over the Real Time. When
this time equals to the programmed time, then the
corresponding Relay for the device is switched ON.
Multiple time programing is also available. |
|
S&T-MC115 |
Automatic bell system for schools/ colleges |
|
|
Period over class room bell system for each period
using microcontroller and real time clock. |
|
S&T-MC116 |
Missile detection by ultrasonic means and activate
the destroyer |
|
|
This ultrasonic proximity detector comprising
independent battery or AC powered transmitter and
receiver sections make use of a pair of matched
ultrasonic piezo ceramic transducers operating at
around 40 kHz each. This circuit is used in getting
reflected signals from the object ahead to feed that
by a program to the microcontroller. Opamps are used
to amplify the weak signals received upon reflection
by the obstacle by the receiving ultrasonic
transducer sent by the transmitting one, to switch
on appropriate load. |
|
S&T-MC117 |
Automatic gate opening system for parking lot |
|
|
Sonar sensor based microcontroller controlled
parking gate opening system for automatic entry at
the gate. |
|
S&T-MC118 |
Street lights that glow for 1/2km only on detecting
vehicle movement |
|
|
Emitting Diode (LED) replaces HID lamps by engaging
a programmable microcontroller that controls
intensity by pulse width modulation which enables
energy saving during late nights considering low
traffic density. The pulse width becomes very narrow
on sensing no movement of vehicles. As the vehicle
forwards, the intensity goes on increasing for few
lights ahead, and as it passes away the intensity
goes on falling. |
|
S&T-MC119 |
Tampered energy meter monitoring conveyed to control
room by wireless communication |
|
|
The main scope of this project is to send message
from any tampered energy meter to be received by the
control room by means of RF communication. The
receiving signals are then fed to a microcontroller,
programmed to recognize those tampered meters to
provide a display at the control room with buzzer
sound on each time it is tampered. |
|
S&T-MC120 |
Distance measurement by ultrasonic means |
|
|
This ultrasonic proximity detector comprising
independent battery or AC powered transmitter and
receiver sections make use of a pair of matched
ultrasonic piezo ceramic transducers operating at
around 40 kHz each. This circuit is used in getting
reflected signals from the object ahead to calculate
the distance by taking into consideration the
velocity of sound by a program fed to the
microcontroller. |
|
S&T-MC121 |
Portable Programmable Medication Reminder |
|
|
The project takes care of reminder need of people
who forget to take medicines in time. Key pad entry
stores the relevant information in an exclusive
EPROM with several timings based on a RTC. At the
programmed time the message for the medicine is
displayed over a 16 digit LCD display together with
a buzzer sound to alert the person for taking the
appropriate medicine. |
|
S&T-MC122 |
Time operated motor control with LCD display |
|
|
Specific timed programmed pump motor operation by
microcontroller bases RTC, real time clock |
|
S&T-MC123 |
User programmable password based hotel room door
lock |
|
|
The microcontroller based Door locker is an access
control system that allows only authorized persons
to access a restricted area. The system is fully
controlled by the 8 bit micro controller AT89C51
which has a 2Kbytes of ROM for the program memory.
The password is stored in another dedicated EPROM
which can be changed at any time unlike a fixed one
burnt permanently on to the microcontroller. |
|
S&T-MC124 |
Password based secured area entry with wrong attempt
alarm |
|
|
Password stored in dedicated EEPROM by user entry
keypad is used to lock or unlock the door, by a
motor and an alarm is sounded in case of wrong
password attempt. |
|
S&T-MC125 |
Monitoring Serial Communications in MC Based
Embedded Systems using CAN, Control Area Network.
Three microcontrollers communicating with each other
over pair of wire |
|
|
As the number of microcontrollers embedded in a
product increases the solution for communication
among them preferred serially. The paper describes a
message based monitoring tool using the RS232 Rx Tx
bus features of the MC to communicate between 3 MCs. |
|
S&T-MC126 |
CAN based security system |
|
|
Message based monitoring tool using the RS232 Rx Tx
features of the MC to communicate between 3
Microcontrollers, one for input, one for display and
the other for some load in CAN protocol |
|
S&T-MC127 |
Four telephones in parallel but still accessed by
only one user at a time to maintain secrecy |
|
|
This Project can be used in houses and offices in
which more than one telephone is connected in
parallel through a single telephone line. The
project is used to connect a maximum of four
telephones in parallel. When any one of the phone is
lifted, all the other lines are disconnected from
the telephone line. |
|
S&T-MC128 |
Using TV remote as a cordless mouse for the Computer |
|
|
A typical TV remote sends coded infrared data that
is read by a sensor which is then burnt to a micro
controller the output of which shall drive desired
operation through serial port connection as
conventionally performed by the PC Mouse. All the
functions are monitored and controlled by the 8 bit
microcontroller AT89c52 /51. |
|
S&T-MC129 |
Human sensed automatic door opening system |
|
|
Automatic door opening by sensing any approaching
human being by piro IR sensors interfaced to a
programmed microcontroller that drives a motor
through motor driver IC with locked rotor protection
some system for door operation. |
|
S&T-MC130 |
Movement sensed burglar alarm system |
|
|
PIR controlled microcontroller based movement
detection system with auto alarm generation. |
|
S&T-MC131 |
Railway level crossing gate control through SMS by
the station master or the driver |
|
|
Raiway level crossing gate motor ,controlled by the
station master or the engine driver through GSM
modem interfeced to microcontroller for deriving an
output to dive a relay for the gate motor operation. |
|
S&T-MC132 |
DTMF based remote industrial load and/or
agricultural pump control |
|
|
The main scope of this project is to send digit
commands from one cell phone to be received by
another cell phone to receive the tone mode commands
which are then DTMF (Dual Tone Multi Frequency)
decoded. The receiving cell phone codes are then fed
to a microcontroller which is programmed to
recognize those codes for operating any kind of load
duly interfaced through relay drivers and relays (or
motor driver and motor) as per the sent command from
sender’s mobile. |
|
S&T-MC133 |
Cell phone/landline operated alarm system for help
in case of emergency |
|
|
Cell phone controlled microcontroller based
assistance ssytem for multiple needs. |
|
S&T-MC134 |
Synchronized traffic junction signaling (Get green
signal all-through at any street junction)-A new
concept to ease traffic congestion in metros |
|
|
All the traffic junctions in a main road are
synchronised for signal lighting such that the
vehicle gets green signal at all the junctions while
moving at a normal speed.This is achieved by
interconnecting through Rs232 protocall all the
individual microcontrollers used at each junction to
keep tarckling and then adjusting the time
accordingly so that once the moving vechile reaches
the junction it gets green signal. |
|
S&T-MC135 |
Theft intimation of the vehicle over SMS to owner
who can stop the engine remotely |
|
|
Theft intimaton of the vehicle over sms using GSM
modem to the owner while unauthorised door entry is
made. Owner can send command through his mobile to
stop the engine by activating the relay interfaced
to a microcontroller along with the GSM modem used
for the purpose. |
|
S&T-MC136 |
Automatic locking system in case of burglary with
intimation to police station |
|
|
G SM modem interfaced microcontroller based
automatic door locking incase of forced action with
SMS to the designated police station number. |
|
S&T-MC137 |
Open loop speed control of servlliance camera
panning from PC |
|
|
Using pulse width varying technology so generated by
the PC with Rs. 232 interface through a Micro
controller enables the speed control of motor from
the Pc by a motor driver IC controlled from the
microcontroller. |
|
S&T-MC138 |
PC based light intensity control |
|
|
Serial port controlled PWM based light intensity
monitoring system from PC. |
|
S&T-MC139 |
Flash Flood intimation over GSM network to the
station master |
|
|
High water level detector interface to micro
controller that outputs a signal to a GSM modem for
sending a signal to the station master to direct the
train driver to stop the train. |
|
S&T-MC140 |
SMS based intimation and calling over GSM network
for emergency assistance |
|
|
GSM modem interfaced microcontroller based automatic
message display incase of forced action with SMS to
the designated emergency number |
|
S&T-MC141 |
RFID guided automatic parking permission for
vehicles in cellar at commercial complexes |
|
|
RFID card swiped over the RFID card reader by the
vehicle driver enables the motor interfaced through
the driver IC to the controller to open the gate for
vehicle entry. |
|
S&T-MC142 |
RFID security access control system |
|
|
RFID card to reader to read the data present on the
card and compares the same to match the built in
data for stattus display and unlocking the door |
|
S&T-MC143 |
Sending an SMS for electrical load control that
re-sends an acknowledgement of the status |
|
|
An sms sent through the cell phone to a distant
location GSM modem for electrical load interfaced
from a micro controller through relay and relay
driver to switch on and switch off the same with
acknowledgement sent back to the sender on sms upon
the action taken and the status of the load. |
|
S&T-MC144 |
GSM based supervisory control and status acquisition
of industrial loads |
|
|
Mobile message sent to another sim loaded GSM modem
interfaced to microcontroller to drive relays to
control the home appliances with a confirmation upon
the status of the load. |
|
S&T-MC145 |
Mobile phone keypad sensed password entry for door
opening |
|
|
DTMF tones generated by any cell phone is received
by an audio sensor interface to a dtmf decoder the
output of which is fed to the microcontroller that
outputs a relay for door lock operation. |
|
S&T-MC146 |
Cell phone /landline based circuit breaker |
|
|
Remote controlled,password based circuit breaker for
industrial load protection. |
|
S&T-MC147 |
Large digit display of dialled telephone numbers for
std billing centers |
|
|
Dialed telephone numbers are picked up by a dtmf
decoder to feed to a micro controller to drive ten
numbers seven segment LED displays for better
visibility. |
|
S&T-MC148 |
Closed loop feedback operated motor speed control |
|
|
This project uses the IR transmitting and receiving
technique by reflection of modulated IR rays from
any rotating object such as a motor shaft to send
interrupt signal to a programmed microcontroller to
enable display of the speed. The display can either
be a LCD or simple 7 segment LED type. This becomes
a contact less tachometer. |
|
S&T-MC149 |
RFID based attendance system |
|
|
RFID card with details of the employee keep tracking
of their attendance while swiped on the RFID reader
interfaced to a microcontroller with LCD display for
indication. |
|
S&T-MC150 |
RFID based passport details |
|
|
Identitying the passport holder through data stored
in RFID card by retriving the same through a reader
duly interfaced to the microcontroller by a LCD
display. |
|
S&T-MC151 |
Automatic Dialing to any telephone using I2C
protocol on detecting burglary |
|
|
User Programmable telephone number storing by key
pad entry enabling auto dial to the police Station
or the person concerned in the event of robery. |
|
S&T-MC152 |
Password protected bank locker system with
intimation to the owner through cell phone/landline |
|
|
User Programmable telephone number storing by key
pad entry enabling auto dial to the person concerned
in the event of robery. |
|
S&T-MC153 |
Life cycle testing of electrical loads by down
counter |
|
|
A presetable counter with key pad entry that counts
down from the set number till it reaches zero with
relay operation connected to a load that switches ON
& OFF is used for life cycle test of the gadget
under test say a lamp to determine its life. |
|
S&T-MC154 |
Three digit preset counter warning sytem for limit
cross operation of industrial loads |
|
|
A countdown timer with programmable features for
meeting industrial load schedule maintainence. |
|
S&T-MC155 |
GSM based energy meter billing with load control |
|
|
The project is to develop a wireless energy meter
reading and load control. The reading of the energy
meter is also sent by to any cell phone by a message
through GSM modem which also receives commands from
the cell phone to control the electrical loads. |
|
S&T-MC156 |
Stamp value calculator for post office |
|
|
Calculating the weight of the letters & value by a
balancing arrangement is used to control a
potentiometer the output of which is fed to an ADC
interfaced to microcontroller having a display |
|
S&T-MC157 |
Dish positioning control by stepper motor /geared
motor |
|
|
Programmed microcontroller to enable 180 degree
movement of the dish by using a motor for adjustment
of the best signal to be received from the
satellite. |
|
S&T-MC158 |
Railway track security system |
|
|
The system detects for breakage /crack in railway
tracks using line loop current break to sense the
same to send interrupt to the controller to send an
SMS to the station master through GSM. |
|
S&T-MC159 |
Sun tracking solar panel |
|
|
With RTC (real time clock), microcontroller and a
stepper motor to rotate the solar panel during day,
in steps from zero to 180 degrees to track the sun
for maximum power delivery . |
|
S&T-MC160 |
Wireless Electronics Notice Board |
|
|
The microcontroller receives the message from
transmitter through GSM interface to be displayed on
the LCD at user end interfaces to the
microcontroller. |
|
S&T-MC161 |
Object counter with Seven segment display |
|
|
An IR sensor receives the interrupt pulses to count
and send the data to microcontroller for displaying
it on 7-segment LED’s. |
|
S&T-MC162 |
Mathematical Manipulation of Pure Sine Wave Inverter
using microcontroller to develop adaptive PWM (Pulse
Width Modulation) under DSP |
|
|
Using DSP based program using microcontroller for
generating sine wave by 'H' bridge MOSFET bank for
300 watts output with controlled battery charging
and auto change over. |
|
S&T-PIC021 |
RFID based device control & authentication |
|
|
RFID card swiped over the card reader by the vehicle
driver enables the motor interfaced through the
driver IC to the controller to open the gate for
vehicle entry . |
|
S&T-PIC022 |
Vehicle theft intimation to the owner on his cell
phone by GSM |
|
|
Theft intimaton of the vehicle over sms using GSM
modem to the owner while unauthorised door entry is
made. Owner can send command through mobile to stop
the engine whose ignition is dissabled through a
relay fed from the microcontroller which gets
command from the GSM modem. |
|
S&T-PIC023 |
Street light that glows showing the road ahead for ½
km only on sensing vehicles or any movement |
|
|
Emitting Diode (LED) replaces HID lamps by engaging
a programmable microcontroller that controls
intensity by pulse width modulation which enables
energy saving during late nights considering low
traffic density. The pulse width becomes very narrow
on sensing no movement of vehicles. As the vehicle
forwards, the intensity goes on increasing for few
lights ahead and as it passes away the intensity
goes on falling. |
|
S&T-PIC024 |
Density based traffic light timing control |
|
|
The project is to solve traffic congestion by a
dynamic and automatic traffic light control system
based on the traffic density using appropriate
system and hardware. IR sensors across the road used
to monitor the length of vehicles blocking the road
traffic. The signals from the IR receivers are fed
to the MC to follow the program with the time as
desired. |
|
S&T-PS022 |
Step up 6 volt DC to 12 volt DC using 555 timer |
|
|
A 555 timer used in astable mode outputs twice the
AC from 6 volt DC and then by voltage multiplication
to generate 12 volt DC by capacitor charge pump
method. |
|
S&T-PS023 |
Solar power charge controller |
|
|
A set of comparators used to drive MOSFETs for
bypassing the solar panel power in the event of
excess charging. Also providing overload and under
battery protection to the load used. |
|
S&T-RBT037 |
RF controlled by hand held unit, laser beam managed
bomb-diffusing robot |
|
|
In this RF remote control is used to control a robot
that has the advantage of adequate range (up to 200
meters) besides being omni directional. The micro
controller used here has latched outputs and as such
one does not have to keep the buttons on remote
control pressed for more time, thus enhancing
battery life. A laser beam is actuated after the
robot reaches the suspected site on to the object to
diffuse the bomb. |
|
S&T-RBT038 |
A land rover remotely controlled by hand held IR
transmitter |
|
|
This project uses a robot to extinguish a fire. It
is the Robot that can move through any path by IR
control and while it is required to face a fire then
it extinguishes with help of a Blower fan / or a
water pump actuated by the remote. By using IR
sensors it can detect the command signals
transmitted. |
|
S&T-RBT039 |
IR controlled sage robot |
|
|
Land rover robot that moves by hand held TV remote
infrared based ,being driven by a set of 2 motors
duly interfaced through motor driver IC. |
|
S&T-RBT040 |
Line following robotic Vehicle that does not require
any microcontroller interface or program |
|
|
An array of two pair of photo sensors comprising IR
transmitter and photo diode is fitted in front of
the car to detect a black path as well as any turns
in the path. By reading the outputs from each of the
two sensors, Darlington pair of transistors is
biased. Two DC motors are connected to the collector
of the transistor TIP122. The motors are able to
turn the steering left or right, depending on what
logic signal the sensor sends. |
|
S&T-RBT041 |
Cell phone operated robotic vehicle |
|
|
Robotic vehicle that can be operated from any where
using cell phone sent commands.Once the contact is
established over dialling the cell phone mounted on
the robotic vehicle it accepts the tone commands
thereafter for the operation of the vehicle. |
|
S&T-RBT042 |
Cell phone operated sage robot |
|
|
Digit commands from one cell phone sent to another
cell phone mounted on the robot to receive the DTMF
(Dual Tone Multi Frequency) mode commands to feed to
a microcontroller, to operate 2nos DC motors through
motor driver IC for any direction movement. |
|
S&T-RBT043 |
War field land Rover that alerts on sensing planted
Land Mine ahead |
|
|
Wirelessly controlled land rover mounted with metal
detecting sensors to generate alarms on sensing
planted land mine.The movement is wirelessly
controlled by a hand held RF transmitter to send
commands to the RF receiver mounted on the land
rover. |
|
S&T-RBT044 |
War field sage robot that alerts on sensing planted
land mine ahead |
|
|
Remotely controled robot using RF mode with encoder
nad decoder duly interfaced to a pair of
microcontrollers for movement and metal detection by
a metal detector (land mine detector) being actuated
after the robot reaches the suspected site. |
|
S&T-RBT045 |
Bomb displacing robot with tension controlled soft
catching arm |
|
|
A moving robot control wirelessly to reach the
suspected bomb site to relocate the bomb at
different place while handling the same carefully by
a soft catching arm duly controlled by interrupt
monitored motor to avoid extra pressure on the
susspected object for safty reasons. |
|
S&T-RBT046 |
Wireless operated Fire extinguisher vehicles with
water jet spray |
|
|
Fire extinguishee vehicle loaded with water tanker
and pump controlled remotely over wireless to throw
water jet to the fire.The movement and the pump
control are wirelessly controlled by a hand held RF
transmitter to send commands to the RF receiver
mounted on the fire extinguisher vehicle. |
|
S&T-RBT047 |
War field spying Robot with night vision wireless
camera |
|
|
A RF based moving vehicle mounted with wireless
night vision camera controlled remotely over
wireless to send real time pictures of enemy
activities in war field.The movement is wirelessly
controlled by a hand held RF transmitter to send
commands to the RF receiver mounted on the moving
vehicle. |
|
S&T-RBT048 |
Line following robotic Vehicle using microcontroller
interface |
|
|
Using IR reflected light falling on photodiodes form
as input to IO parts of MC to drive a robotic
vehicle motor through motor driver IC in a specified
black path by reflection from the white surface and
then by disabling any one motor in the event of
reflection being stopped while going away from the
blackpath to take turn till the reflection resumes. |
|
S&T-SC008 |
IR obstacle detection to actuate load |
|
|
38 KHz IR signals generated by 555 timer feeding IR
diode received by tuned IR receiver generates an
interrupt while obstructed to actuate a load. |
|
S&T-SC009 |
Automatic dusk to down (Evening on to morning off) |
|
|
LDR input compared op amp turns on the appliances on
through relay at falling light intensity in evening
and off at the morning light. |
|
S&T-SC010 |
Thermister based tempurature control without micro
controller |
|
|
Negative co-efficient thermister used along with an
operational amplifier used as comparator to actuate
a relay in the event of temperature going out of
range. |
|
S&T-SC011 |
Over voltage or under voltage alert system |
|
|
