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Contents
| AC Trigger | 39 | Microphone | 83 |
| Ammeter | 83 | Morse Code Generator | 21 |
| Amplifier | 20, 21 | MPF 102, FET | 26 |
| Arc Welder | 78 | Multivibrator | 21 |
| Audio Alarm | 59 | OA 91, diode | 9 |
| Audio Mixer | 46 | OP Amp | 42 |
| BC 547, NPN transistor | 19 | Peak Reading VU Meter | 52 |
| BC557, PNP transistor | 19 | Photo Diode | 34 |
| BD 139, BD140 transistor | 21 | Photo Electric Relay | 30 |
| Bipolar Transistors | 15 | Pinouts | 74 |
| CA 3130 OP-amp | 52 | Power Diode | 8 |
| Capacitor Data | 71 | Power Supply | 22, 60 |
| Car Voltage Converter | 25 | Relay Driver | 20 |
| Chip Pinouts | 74 | Resistors | 68 |
| Circuit Symbols | 4 | RF Monitor Meter | 9 |
| Common Base/Emitter/ | RF Prescaler | 28 | |
| Collector Circuits | 15,16 | SCR, C122D | 40 |
| Counter | 37 | Silicon Controlled Rectifier | 44 |
| Crystal Set | 9 | Simon | 86 |
| Darlington Transistor | 17 | Regulator 78xx, 79xx | 8, 10 |
| DC Millivoltmeter | 47 | Signal Diode | 51,53 |
| Definitions | 18 | Semiconductor Devices | 14 |
| Difference Amplifier | 46 | Solar Charger | 56 |
| Diode | 8 | Square Wave Oscillator | 77 |
| Dual Power Supply | 54 | Steam Simulator | 50 |
| Electronic Dice | 36 | Surface Mount Resistors | 75 |
| FET | 29 | Time Delay | 69 |
| FET Voltmeter | 29 | Timer | 25 |
| Field Strength Meter MkII | 79 | Transistor Amplifier | 28 |
| Flashing LED | 33 | Transistor Pinouts | 81 |
| FM Transmitter, FM Bug | 20,81 | TRIAC, SC151D | 55 |
| Germanium Diode | 9 | Touch Switch | 38 |
| Hearing Aid | 81 | Ultrasonic Transmitter | 58 |
| Infinity Bug | 80 | Unijunction Transistor | 57 |
| Infrared LED | 34 | UJT | 37 |
| Infrared Light Beam | 38 | UJT Time Delay | 37 |
| Kitt Scanner | 60 | Wein Bridge Oscillator | 53 |
| Lamp Dimmer | 39 | Zener Diode | 47 |
| Lamp Flasher | 59 | 1N4001, Power diode | 8 |
| Light Beam Relay | 28 | 1N4148, Signal diode | 10 |
| Light Switch | 30 | 27MHz Links | 23 |
| LEDs | 31 | 2N2646, UJT | 76 |
| LED Chaser | 33 | 2N 3055, transistor | 22 |
| LED Dice | 61 | 4017, Decade counter | 64 |
| LED Flasher | 33 | 555 Light Switch | 60 |
| LM 340 | 50 | 555 Timer | 29 |
| LM 386 | 67 | 7-Segment Displays | 48 |
| Logic Gates | 56 | 74c14 Hex Schmitt | 35 |
| Logic Probe | 58,62 | 741, OP Amp | 62 |
| Metal Detector | 57,59 | 7555, CMOS 555 | 44 |
| Metronome | 25 | 7805, +5v Regulator | 50 |
| Microcontrollers | 85 | 7905, -5v Regulator | 60 |
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