Electronic Project Volume - 05

Section A : Construction Projects
S.No
 Products
Page No.
01 2- Band Hi - Fi  Receiver 09
02 Novel Meterless  Multimeter With  LED    Indicater 13
03 The  Electronic  Thumbwheel  Switch 17
04 Programmable  Musical Tune Generater 20
05 Reflex   Tester 23
06 Water Level Indicater Cum Controller 28
07 A  SImple Portable digital Maltimeter With Liquid Crystal Display 35
08 Regulated Bipoler - Output DC - DC Converter 45
09 Multipurpose Tone And Sound Synthesiser 48
10 Dual Power Supply For Op - Amps 52
11 Trangister Lead Identifier  Cum Tester 55
12 Utilty Door - Bell 58
13 LED  Dial  Clock 61
14 The Mind  Reader 66
15 Electronic  Capacitance  Meter 73
16 Function  Generator 76
17 Analogue  Frequency Meter 87
18 20W+20W  Stereo Amplifier 96
19 Digital  Channel  Indicaters 100
20 The Delay Switch 103
21 Burglar  Alarm  To Protect Your  Home 109
22 Four - In - One Telephone 115
23 Adjustable Regulated  Power Supply Unit 118
24 Machine Gun  Sound Simulater 120
25 2kW  Illumination  Controller 125
26 25-Watt Power Amplifier 131

SECTION - B   CIRCUIT    IDEAS
1 Three In - One Tester 15
2 Hour  Striking 16
3 Dxing Receiver 16
4 Adapt  Your Multimeter To Read   Frequency 26
5 Under And Over Voltage  Protecter 27
6 Simple Battery  State Indicator 27
7 Keeping  The  Iron Warm 33
8 On - Delay Timer  Circuit 33
9 Mains  Indicator With  Audio  Alarm 34
10 Stendy - Hand Testing Game 41
11 Messege Indictor 42
12 Car Battery Charger Cum Battery Eliminator 43
13 IC  Transmitter 43
14 Fuse Failure  Indicator 44
15 An  Electronic  Harmonium 71
16 Electronic  Dice  70
17 Low - Cost  Psychedelic  Lights 71
18 Clap  Switch 71
19 A  Simple  Clock Radio 85
20 Electronic  Dice 86
21 Precision  Over - Current Protection 90
22 Automatic  Refrigerator Defroster 90
23 Pilot Lamp  Does  Double  Duty 91
24 Day Indicator 91
25 Solidstate  Relay 92
26 Regulated  Power  Supply  92
27 Multipurpose  Auto Shut - off Switch 93
28 Automatic  Power Failure  Indicator For Digital Clocks 94
29 Short Circuit Protection  Device 94
30 Musical  Bell Repeater 95
31 Solidstate Guitar Practice Amplifier 106
32 Lightning  Chess  Timer 106
33 Low Speed  Counter Using Calculater 107
34 Maltiple  Amplifier  System 107
35 Single - Phase  Preventer Using Optocouplers 108
36 Diode Tester Cum Countinuty checker 108
37 Emergency Light Cum Power Filure Indicater With Audio Alarm 113
38 Variable Power Supply 114
39 Kilovolt Generator 114
40 Op - Amp  IC  Tester 114
41 TTL  Probe 122
42 Remote Operation Of Diesel Generator Set 123
43 A Simple  Musical Toy 123
44 Magic Eye For The Tape Recorder 123
45 logic State Indicator Cum Manual  Clock 127
46 Electronic  Dice 128
47 AF / IF  Signal Generator 129
48 A  Bedroom  Night Lamp 129
49 The Cows And  Bull  Game 129