Название: 104 EASY Projects for the Electronics Gadgeteer
Автор: Robert M. Brown
Издательство: TAB BOOKS
Год: 1970
Страниц: 158
ISBN: 0-8306-0524-X, 0-6306-9524-9
Формат: PDF
Размер: 23.7 Мб
Язык: English
This could very well be a publishing first—a book devoted to the premise that most of the real fun in electronic tinkering is derived from scrounging and swiping, trial and error, and good, old - fashioned cheap - skating. You'll be surprised at the useful and fun things you can put together with a little imagination and available components.
You'll be even more surprised when you realize what can be done without tubes or transistors! The purpose of this book is to give you some food for thought along these lines and to clue you in on some tricks of the trade in getting the most for the least.
Contents
Introduction 9
Homebrew Light Meter 13
Tubeless/Transistorless Code Practice Monitor 14
Electric Combination Lock 15
Super Crystal Radio 16
Surplus Relay Lamp Flasher 17
Signal Generator 19
Electronic Thermometer 20
Audio Frequency Meter 21
Dry- Cell Rejuvenator 23
Flashgun Tester 24
Ultra-Cheap Signal Generator 25
TV Set Radio Receiver 27
Hi-Fi Tuner 28
Inexpensive Early Morning Alarm 30
Double Battery Supply For The Car 31
Sonalert Intrusion Alarm 32
Hi-Fi In The Car 33
A "Whistler" Listening Device 34
TV Ghost Eliminator 36
Adjustable Noise Generator 37
Professional Hygrometer 38
Perpetual Flasher 40
Tone Compensator For Tape Recorders 41
Electronic Tone Generator 42
9-Volt Battery Charger 43
Super Field Strength Meter 44
Telephone Intercom Adapter 46
Neon Bulb Oscillator 47
Add-On Noise Limiter 48
Full-Wave Noise Limiter 50
CB- To-Auto Antenna Adapter 51
Audio Wattmeter 52
Inexpensive Auto Battery Charger 54
Simple Crystal Detector 56
Super Band Spreader 57
Tunnel Diode Oscillator 58
Signal Blinker 59
Loudspeaker-To-Mike Converter 60
Electronic "Coin Toss" 61
Inexpensive Voltage Tri pi er 63
Line Voltage Control Unit 64
1000-Volt Buzzer Power Supply 65
Blow-Out Protector For Loudspeakers 67
Inexpensive Transistor Checker 69
Free-Power Batteryless Power Supply 71
Electrostatic Speaker Converter 72
Two TV Sets With One Antenna 74
Tube Rejuvenator 75
Oscilloscope Calibrator 77
Sequential Neon Flasher 79
Electrifying Worm Turner 80
Power Supply From Filament Transformers 82
Color TV Picture Roll Stopper 83
Electronic Anemometer 84
Bubble Lamp Night Lite 86
Scratch Filter For 45 RPM Discs 88
Subminiature Power Supply 89
The Mystery Alarm 90
Junkbox Modulation Indicator 91
Darkroom Timer Control 93
Effective 6-Meter Antenna Coupler 95
Tubeless Audio Squelch 96
AI I-Purpose Battery Charger 97
"Beeper" Transistor Tester 99
Simplest Field Strength Meter 100
Electronic Reflex-Action Game 101
Kilowatt RF Voltmeter 103
FM Tuner To Hi-Fi Adapter Unit 104
Light Dimmer 105
SCR Diode Checker 106
Mechanized Polarity Reverser 108
"Instant-On" Appliance Adapter 109
Cheater Cord Cure-Ail 110
Automatic Frequency Finder 111
World's Cheapest Intercom 113
150-Volt Universal Power Supply 114
An Electronic Shaver Converter 115
Shave-In-Your-Car Adapter 116
Romantic Light Dimmer 117
Taped CQ'ER Device 119
"The Vacationer" Automatic House Switch 121
9-Volt TR Battery Eliminator 122
Simplest Noise Limiter 123
Slide-Switch Loudness Control 124
99tf Stroboscope 126
12? Lightning Detector 127
Neon Bulb AC/DC Voltmeter 128
Simple RC Tester 129
Hi-Fi Notch Filter 131
Tubeless/Transistorless AM Modulator 132
Automatic Photo Slide Projector 133
Handy Tube Tester 135
AC Line Alarm 136
Super-Regen S Meter 138
Tubeless Loudspeaker CPO 139
Light Bulb Power Measurer 140
RF "Sniffer" Probe 141
Cheap Push-To-Talk Relay 142
Direct-Reading CB Power Wattmeter 143
Voltage Regulator Hash Trap 145
Universal AC Relay Silencer 146
Bike Generator AC-To-DC Converter 147
Foolproof Sequential Switching Adapter 148 Shortwave Trimmer-Booster For Vintage Receivers 149
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104 EASY Projects for the Electronics Gadgeteer 
