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 Hobby Kits

S.No
Products
Current Price (Rs)
  GAMES  
69 Electronic Decision Maker (New) (CD 4046)  
70 Electronic Roulette wheel with 2 digit (9V) (New) (CD 4033)  
71 Grip scope (3-9V)
Can also be used as a lie Detector.
 
72 Quiz Monitor (4 Channel) 12V (New) (CD 4012+4013)  
73 Two In One Electronic Games (9 V )
It incorporated two facultative games gambling & Indoor Cricket.
 
 

DOMESTIC

 
74 VHF /UHF Modulator (12 V - 15 V )
This circuit will modulate a video signal into an RF. carrier to give a signal that may be fed direct to the Arial socket of a VHF OR UHF TV.
 
75 Video Amplifier (12 V )
Universal Amplifier and distributor for video signal.
 
76 Video Distribution Amplifier (12 V )
This circuit provides very high band width up to 510MHz & over all Gain of 8 to 10db
 
77 Mains Wiring Locator (with Detector Coil ) (9V)
A simple tools for electricians to locate wiring.
 
78 Brake Light Monitor (12V)
This tiny circuit keeps watch on brake indicator.
 
79 Liquid Level sensor (12 V )
Liquid level controller wired around a single chip & sense the level and alert you.
 
80 Clap Switch (12 V )
Simple electronic switch activated by a clap can control (ON/OFF) fan light Radio & Tape
 
81 Rodents Deterrent (6V )
This circuit is safer solution for rat, mice & other rodent
 
82 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.
 
83 Two Way Intercom (9V)
This is simple intercom system for communication of two persons in the same building OR office.
 
84 Ionizer Mains (230 V AC )
An environment friendly project based on theory of IONIZATION can be used as an air purifier.
 
85 Bathful Indicator (5 V)
This low cost solution for non wastage of water which alerts you by active buzzer when water level is reach.
 
86 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)
 
87 1 Hz Generator (9V)
The circuit generates a very precise 1 Hz square wave signal.
 
88 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.
 
89 I/R Remote Switch (Universal) (12V)
This circuit use one channel universal remote control.
 
90 20sec Voice Recording (6V)  
91 Water Level Controller (12V)
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.
 
92 Fm Transmitter (9V)
You can hear your voice in FM receiver kept at distance tuned in FM Frequency.
 
93 Electronics Eye
This circuit produces the sound while light Fails & stops while light comes back.
 
94 Musical Siren Alarm (3V)
This is musical siren without using IC operated by 2 transistor.
 
95 Hold On Music For Telephone
This is the external Ckt to telephone line which gives the pleasant music during the hold on interval.
 
96 60 Sec Voice Rec. Message (6V)
A re-recordable voice chip with non-cola tile memory gives to store 1/4/8 voice msg. in single chip with individual trigger & no batt. back-up.
 
97 2 Digit Strom Distance Counter (9v)(New)(NE 555)  
98 2 Digit Door Bell Counter (6V)(New)(CD 4026/555)  
99 4 Led Water Level Indicator with Alarm(6V)(New)(CD 4066)  
100 Heat Sensor with Fan Cooling (12V)(New) (LM 741)  
101 8 Minute Voice Recording & Play Back (Message Box)  
102 16 Minute Voice Recording & Play Back (Message Box)  
103 Digital Telephone Amplifer (New)(LM 386)  
104 FM Transmitter 300 Meter (9V)(New)  
105 FM Transmitter 2 K.Meter (9V)(New)  
106 FM Transmitter 3 K.Meter (9V)(New)  
107 Heart Bit Monitor (9V)(New)(LM 386)  
108 Parallel Telephone Ringer (New)(Bel 1240)  
109 Phone to FM Listening Bug (New)  
110 Touch Switch (using ic 555 Multivibator) (New) (NE 555)  
111 120 Sec. Message Recorder (ISD 25120) (New)  
112 Electronic Digital Combination Lock (New) (CD 4017)  
 

CHARGERS

 
113 Universal NiCad Charger (12V)
This cheap alternative turns into an low expensive one charger for All NiCad Cell.
 
114 Lead Acid Battery Charger (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.
 
115 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.
 
116 Battery Low Indicator (New)(CA 3160)  
117 Solar Generator Kit (New)(NE 555)  
 

INSTRUMENTS

 
118 Continuity Tester
An audible continuity tester for rapid checking of continuity or short circuit
 
119 Fault Finding Probe
Fault finding probe is Alternate of logic analyzer it's nothing more than bitable Multi vibrator
 
120 Crystal Tester
Simple circuit to test X'tal Range of 100KHz to 30MHz
 
121 Simple Function Generator (12V)
Professional grade test instrument with frequency ranges from 9 HZ to 220 Hz with adjustable output from 1 mV to 1V
 
122 CMOS Function Generator (6 V)
The circuit offer a choice of sine, Square & triangle wave form & Freq range from 12Hz to 70KHz
 
123 PH Meter (+-9V)
Acidity/Alkalinity measurement by LCD range from 0 to 14PH.
 
124 Ultrasonic Distance Meter (9V)
An interesting circuit that uses to ultra sonic freq to measure distance Max 6mtrs.
 
125 PT 100 Thermometer (9V)
This thermometer has unusually large of - 100'C to +1000'C Theses means the demand for accurate temperature measurement.
 
126 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.
 
127 Low Cost Audio Frequency Oscillator (9V)(New)  
128 Digital Panel Meter (New Led Version ) (5V)  
129 Digital Object Counter
The circuit using 74C926 counter utilizes the LDR to show the counting of the object.
 
130 LM 35 Digit Thermometer (9V) (New)  
131 3 Digit Counter (New)(CD 4093)  
 

ALARMS

 
132 Musical Burglar Alarm / Doorbell (LDR Operated ) (3V)
This circuit can operate as a light activated burglar alarm by the addition of preset and LDR
 
133 Stop Thief (Burglar Alarm for Car ) (12V)
This is simple circuit designed for car which protect your car from thief's with engine trouble.
 
134 Molestation Alarm (9V)
An electronic Sound to attract attention in personal danger
 
135 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
 
136 Listening Bug (9V)
It is simple circuit in - expensive circuit to listen to the conversation on in your adjoining room.
 
137 Musical Visitor's / Intruder Alarm (3V)
It is simple circuit to monitoring intruders by using proximity magnetic switches
 
138 Infrared INT Alarm (Long Range) (12V)  
139 Infrared Auto Switch (I/R wash Basin Proximity switch)(12V) (New)(Is 471 IR Sensor)  
140 Power Full Listening bug (9V)(New)(LM 741)  
141 CCTV Night I/R Lluminator Watching (12V)(New)(7812)  
142 Metal Detector (9V)(New)  
143 Knock / Earth Quake Alarm (9V)(New)  
144 Infrared Security Alarm (12V)(New)(74LS14)  
145 Smoke Alarm (NE 555)  
146 Security System (New)(NE 555)  
147 Door Opening Alarm (New)  
148 Simple Digital Security System (New)(CD 4511)  
 

PREAMPLIFIER

 
149 Austere Disc Preamplifier (+/-9V)
using the magnetic cartridge input amplifiers the signs to a sufficient level to drive the control pre-amplifier.
 
150 Guitar Mixer Preamplifier (+/-9V)
Simple yet effective unit is specifically intended for 100 watt Guitar AMP.
 
151 Stereo Rumble Filter (3V)
This is simple filter to designed with the exception that value have been selected to give a peak in the response at the cut off frequency.
 

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