List of Kits by Category


The kits are listed in this order: kit name/description, corresponding Electronic Enthusiasts issue or Projects & Circuits volume number and category number.

AM/FM Radio/TV Circuits


AM Pocket Radio 61/V3 (1)
AM Radio w/ 702 V1 (1)
AM Teenybopper Cassette Tape Recorder V5 (1)
AM/FM Clock Radio (Sleepmate) 59 (1)
AM/FM Pocket Radio 12-725 60 (1)
Home Video Distribution System w/ HC851 & 6950 31/V4 (1)
TV Combination Lock w/ 6x2 750mA (6952) & HC991 46 (1)
TV Modulator V3 (1)
TV Stereo Decoder w/ HC851 & 6950 40/V5 (1)
Video Tone Controller w/ HC981 & 12Vx2 250mA 48 (1)
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Audio/Hi-Fi Accessories


LED/VU Meter II 43/V5 (2)
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Audio/Hi-Fi Amplifiers/Boosters


2-Watt Utility Amplifier w/ HC851 19/V3 (3)
6-Watt Power Amplifier 39 (3)
10-Watt Amplifier w/ 2-3" Heatsinks V2 (3)
10-Watt RMS Stereo Amp w/ DC Controlled Pre-Amp 65/V2 (3)
15-Watt Bridge (Mono) V1 (3)
15-Watt Stereo Amplifier w/ 12-0-12 2.5A 21/V2 (3)
16-Watt Biamplifier w/ Heatsink, 6951 & 9V-0-9V 1A 52 (3)
25-Watt Amplifier w/ 0-24 2.5A (Stereo) V3 (3)
25-Watt Amplifier w/ 0-34 2.5A (Mono) V3 (3)
25-Watt Single Chip Stereo Amplifier 63 (3)
40-Watt Power Amplifier w/ 3" Heatsink 1/V1 (3)
Cassette Stereo Booster w/ HC873, 20V 4A 54 (3)
LM12 (150W) Power Amplifier Module w/ 4" Heatsink 55 (3)
Low-Cost Power Amplifier for your PC and CD/MP3 Players w/ HC981 & MS-7BHS 69 (3)
Low-Cost Power Amplifier Module 58 (3)
OTL Pocket Amp for Experimenters w/ HC001 69 (3)
P-50A (50-W) Power Amplifier w/ 6" Heatsink 56 (3)
Porta Amplifier w/ 10-0-10 750mA 35 (3)
Room Amplifier 34/V3 (3)
Ultra Sensitive Mini Amplifier 63 (3)
Universal DC Controlled Preamplifier 63 (3)
Video Pre-Amp Buffer w/ HC851 & 6950 57 (3)
Walkman Stereo Amplifier w/ HC991 & 9Vx2 1A 49 (3)
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Audio/Hi-Fi Equalizers


5-Band Stereo Graphic Equalizer w/12V 200mA 42/V5 (4)
Equalizer (Mono) V3 (4)
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Audio/Hi-Fi Filters/Crossover Networks


3-Way Active Crossover Network w/ HC851 53 (5)
Audio Notch Filter 66 (5)
Dynamic Noise Filter w/ 12-0-12 250mA 26 (5)
Scratch and Rumble Filter 17 (5)
Sub-Woofer Pre-driver w/ HC872 & 12Vx2 750mA 47 (5)
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Audio/Hi-Fi Mixers


4-Input Mixer w/HC841 9/V1 (6)
Attenuator/Direct Injection Box w/ HC812 58 (6)
Minus One Plus One w/ HC841 & 9V 28/V2 (6)
Multipurpose Audio Mixer 64 (6)
Parametric Equalizer Mixer w/ 6V 500mA (w/ or w/o optional parts) 52 (6)
Simple 4-Input Stereo Mixer 60 (6)
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Audio/Hi-Fi Power Supplies


10-Watt Power Supply w/ 35-0-35 5A V2 (7)
10-Watt RMS Stereo Power Supply 65 (7)
40-Watt Power Supply w/ 25-0-25 4A V1 (7)
EVM Power Supply 40 (7)
Low-Cost Power Supply Module 58 (7)
LM12 (100 Watt) Power Supply 28V 5A 55 (7)
P-50 Power Supply w/ 36-0-36 3A 12-0-12 1A 56 (7)
Universal Hi-Fi Power Supply w/ 10-0-10 750mA V1 (7)
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Audio/Hi-Fi Preamps/Input Selectors


1040 Tone Volume Balance Control w/ 9VAPT48 31/V4 (8)
Electronic Stereo Source Selector w/ 6V (6952) 31/V4 (8)
Low-Cost Preamplifier w/ Tone Control 39 (8)
P-50C Control Amplifier w/ Microphone Input 56 (8)
P-50S Audio Input Selector w/ Phono Preamplifier 56 (8)
Pre-Amplifier V3 (8)
Universal Hi-Fi Preamplifier V1 (8)
Universal Mic Preamplifier w/ HC851 & 6950 57 (8)
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Audio/Hi-Fi Protection Circuits


Amplifier Clip Detector 46 (9)
Compressor Protector w/ HC991 & 6950 51 (9)
Delayed Switch-On Speaker 21 (9)
Speaker Protector Device 14 (9)
Speaker Sentry w/ 6x2 500 (6950) 51 (9)
Speaker Time Delay 8/V3 (9)
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Audio/Hi-Fi Signal Processors


Analog Delay for Echo Reverb FX w/ HC872 & 12x2 750mA 45 (10)
Digital Echo Karaoke Box V5 (10)
Echo Reverb Processor w/ HC841 & 9V 32/V4 (10)
Low-Cost Digital Echo/Reverb Microphone Preamplifier 65 (10)
PA Annunciator with Microphone Input 62 (10)
Sound Field Generator Module 62 (10)
Stereo Blender w/ 6950 54 (10)
Stereo Enhancer w/ 12.6 200mA 13 (10)
Stereo Enhancer II w/ 6V 500MA 52 (10)
Stereo Simulator w/ HC851 & 9V 33/V5 (10)
Stereo Synthesizer 16/V2 (10)
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Automotive


Automatic Car Battery Charger w/ 4A 17V V2 (11)
Bark Horn w/ HC001 43 (11)
Bionic Sound Car Horn w/ HC001 38 (11)
Car Battery Monitor 42 (11)
Car Stereo Booster 36/V5 (11)
Car Thief Staller w/ HC991 20/V2 (11)
Electronic Ignition System w/ HC812 & 3" Heatsink V4 (11)
Kits Scanner w/ Bulb/Light & HC981 V3 (11)
Melody Back Horn w/ HC001 V1 (11)
Sensorless Car Alarm w/ HC872 61 (11)
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Battery Charger/Checker


Battery Checker w/ HC981 36 (12)
C/10 AA (NICD/NIMH) Battery Charger 66 (12)
Nickel Cadmium Battery Charger w/ 9Vx2 750mA & HC872 46/V2 (12)
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Christmas Projects


12-Song Christmas Melody & Dancing Light w/ HC981 & 6950 45/V5 (13)
Christmas Carol Box (Jingle Bells Melody Song Box) 57 (13)
Christmas Desk Decor w/ HC851, 6950 57 (13)
Christmas Lamp Dimmer/Driver 57 (13)
Christmas Melody w/ 7930 & HC001 20 (13)
LED Accessories 41 (13)
Soft Lamp Blinker w/ 6x2 250mA (6950) & HC981 46 (13)
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Clock/Counters/Timers


3-in-1 (Up-Down Counter/Frequency Counter/Clock) 59 (14)
3-Minute Phone Timer w/ HC981 & 12V 250mA 44 (35)
Automatic Minute Timer w/ HC981 & 12-0-12 250mA 29 (14)
Darkroom Exposure Timer w/ HC872 & 12V 250mA 45 (14)
Multipurpose ON/OFF Timer 38/66 (14)
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Code Circuits


Electronic Oscilloscope Caliper 64 (15)
Low-Cost Morse Code Trainer 50 (15)
Morse Code Practice Oscillator 9/V1 (15)
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Computer Accessories


PC Stereo Amplifier w/ HC872 & 6950 57 (16)
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Dimmers/Controllers


Electronic Lamp Dimmer w/ HC981 V1 (17)
Multifunction Lamp Controller w/ HC981 53 (17)
Push Button Lamp Dimmer 15 (17)
Remote Controlled Lamp Dimmer Transmitter/Receiver w/ HC871, HC991, 6950 54 (17)
Touch Controlled Lamp Dimmer w/ HC001 39/V5 (17)
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Doorbells


2-Tone Melody Doorchime w/ 8 Melody Case V4 (18)
2-Tone Melody Doorchime II w/ 8 Melody Case 58 (18)
16-Melody Doorchime w/ 8 Melody case 54 (18)
16-Melody Proximity Chime w/ 8 Melody Case 58 (18)
Computerized Door Tune w/ 9V (6951) 2/V1 (18)
Electronic 2-Tone Doorbell w/ HC981 & 9V V1 (18)
RC Doorbell w/ HC871, HC981 & 12V 39 (18)
Tok-Tok-Tok Doorbell w/ HC981 & 12-0-12 750MA 35 (18)
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Electronic Switches


Clap Switch II w/HC991 69 (19)
Electronic Switch w/ HC001 36 (19)
Infrared Remote Controlled Switch Transmitter/Receiver w/ HC871, HC821 12x2 750mA 41/V3 (19)
Light Activated Switch w/ HC851 (with terminal) V3 (19)
Multi-Way Lamp Switch w/ HC991, 6V-0-6V 500mA 35 (19)
Night Switch 14 (19)
Sound/Voice Activated Switch 67 (19)
Voice Operated Switch w/ HC981 13/V1 (19)
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Emergency Lights


Emergency Lamp/Flasher 20 (20)
Mini Emergency Lighting Unit w/ HC851 54 (20)
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Flasher


Night Time LED Flasher 49 (21)
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Games


Electronic Number Game 64 (22)
LED Dice 67 (22)
Memory Challenger w/ HC981 40 (22)
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MCU/MPU Educational Modules


Digital Trainer Kit (for Digital Trainer Unit) <N/A> (23)
Multipurpose TM-5 Module w/ HC991 69 (23)
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Music Projects


Chorus FX for Musical Instruments w/ HC872 & 9x2 500mA 49 (24)
Digital Delay FX w/ HC981 60 (24)
Distortion FX w/ HC981 40 (24)
Dynamic Phaser w/ HC991 V4 (24)
Electronic Drum Set w/ HC872 & 6950 53 (24)
Electronic Metronome V2/59 (24)
Frequency Doubler FX w/ HC981 & 6950 51 (24)
Fuzz Tone 23 (24)
Guitar Compressor Sustainer w/ HC981 38 (24)
Guitar Track Jam Box 64 (24)
Intelligent Musical Organ 16/V2 (24)
Overdrive FX 58 (24)
Practice Amplifier 53 (24)
Quick and Dirty Fuzz 68 (24)
Simple Color Organ 65 (24)
Sound Effect Generator w/ HC851 (w/o terminal) 29 (24)
Super Guitar Headphone Amplifier 62 (24)
Tube Overdrive FX w/ HC981 61 (24)
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Novelty Circuits


Digital Voice Message Recorder 64 (25)
EE Shocker w/ HC981 & 6V 250 mA (6950) 47 (25)
Electronic Parrot w/ HC851 (with terminal) 32/V4 (25)
Lie Detector I 23 (25)
Lie Detector II w/ HC001 48 (25)
Meditation Stimulator w/ HC001 46 (25)
Moving Chain of Lights 17/V2 (25)
Voice Changer Microphone V5 (25)
Voice Transformer One w/ HC851 (with terminal) 30 (25)
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Power Controllers


Power Controller w/ HC981 & 3" Heatsink 28 (26)
Power Saver w/ HC991 & 10-0-10 750mA 25/V2 (26)
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Power Supplies/Inverters/Voltage Regulators


0 to 25 Volts 1A Regulated Power Supply w/ 0-28 1.5A 15/V1 (27)
1.25 to 25 Volts Regulator Power Supply w/ 0-24V 3A 23 (27)
20-Amp Regulated Power Supply w/ DS-6", 2-3" Heatsink V5 (27)
AC-220 Auto Voltage Regulator (500 Watts) 21/V3 (27)
Low-Cost Regulated Power Supply w/ HC873 & 14V 1.5A 12/V1 (27)
Micro DC to AC Inverter w/ HC873 10-0-10 750MA 34 (27)
Power Inverter w/ 12V 150W & 9" Heatsink 27/V4 (27)
Versa Power Supply w/ 0-14-28 3.5A 33/V3 (27)
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Protection Circuits


3-Phase Motor Protecting Switch 59 (28)
MCU-Based Power-On Delay 59 (28)
Power Sentry w/ HC991 & 9V 26 (28)
Power-On Delay w/ HC991 & 9V (5A or 10A Relay) V1 (28)
RefMate w/ HC812 (Option A & B available) 60 (28)
Voltage Level Monitor 12 (28)
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Remote-Controlled Circuits


Remote Controlled Doorbell w/ HC871, 12V 250mA 39 (29)
Ultrasonic Remote Controlled Switch w/ HC981, HC001 & 6x2 (6950) 51 (29)
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Robotics


Escape Robot Kit <N/A> (30)
Follow Me Sound Detecting Robot <N/A> (30)
Football ("BOTBALL") Robot Kit <N/A> (30)
Ladybug Robot Kit <N/A> (30)
Lego Mindstorms NXT <N/A> (30)
Line Tracking Robot <N/A> (30)
Mountain Climber Line Tracker Car Kit <N/A> (30)
Scarab Robot Kit <N/A> (30)
Space Nine Robot Kit <N/A> (30)
Sumo-Bot <N/A> (30)
Titan Tank Robot Kit <N/A> (30)
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Running Lights


2-Channel Multifunction Light Chaser 67 (31)
Disco Dancing Lights w/ HC841 & 9V V3 (31)
LED Matrix Dancing Lights for your Amplifier 69 (31)
Low-Cost 3-Channel Dancing Lights w/ HC991 & 6V 22 (31)
Moving LED Light Chain 68 (31)
Programmable Light Sequencer II w/ HC841 & 6952 58 (31)
Programmable Sequential Light I w/ HC841 & 6952 V3 (31)
Running Lights w/ 12V 750mA V2 (31)
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Security/Burglar Alarms


Anti-Burglar Light w/ HC981 & 12Vx2 200mA 47/V5 (32)
Car Burglar Alarm w/ HC981 30 (32)
Early Riser Alarm w/ HC981 53 (32)
Electronic Combination Lock w/ HC812 9/33 (32)
Electronic Watchdog w/ HC981 & 10V 750mA 40 (32)
Infrared Intruder Alarm Transmitter/Receiver w/ HC812, 9V & 12V 43/V4 (32)
Noburg Guard w/ HC851 & 6950 56 (32)
Peek Alarm 67 (32)
Sensor Based Sentry w/ 6V 250mA & HC851 41/V1 (32)
Simple Backup Beeper 67 (32)
Touch Door Knob Alarm w/ HC001 35 (32)
Touch Sensitive Alarm w/ HC981 42 (32)
Ultrasonic Alarm Intruder w/ HC821 & 12V 750mA V3 (32)
Ultrasonic Proximity Sensor w/ HC981 69 (32)
Ultrasonic Proximity Sensor/Parking Radar 67 (32)
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Sirens


Police Car Siren w/ HC001 18 (33)
Police Siren 39/V5 (33)
Super Siren w/ 1.5" Heatsink & HC991 19/V2 (33)
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Speed Controllers


DC Motor Speed Controller w/ 12V 1A 42 (34)
Fan Speed Controller w/ HC981 27/V4 (34)
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Telephone Projects


2-Way Intercom System w/ HC001 (2), HC991 11/V2 (35)
Automatic Telephone Recorder w/ HC981 & 6V 34 (35)
Electrophone w/ HC873 44 (35)
Extension Telephone Switcher w/ HC001 47/V2 (35)
FM Telephone Pick-up 15 (35)
Push Button Telephone Dialer w/ HC991 12/V2 (35)
Simultaneous 2-Way Intercom w/ 8 Melody Case 49 (35)
Telephone Amplifier w/ HC981 16 (35)
Telephone Call Monitor w/ HC872 & 6V 500mA 49 (35)
Telephone Line Tester 68 (35)
Telephone Melody On Hold w/ HC991 37 (35)
Telephone Musical Ringer w/ HC981 & 9V 36 (35)
Telephone Voice Changer w/ HC981 50 (35)
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Test & Measurement/Instrumentation


AC-100 Control 20/V2 (36)
AC-360 Multitester V1 (36)
AC Line Voltage Monitor 66 (36)
AC Line Voltage Sensor w/ HC871 48 (36)
AF/RF Generator w/ HC001 21 (36)
Compact Function Generator 66 (36)
DC Voltage Monitor 65 (36)
Digital Logic Probe II w/ HC001 22/61 (36)
Digital Soldering Iron Controller 68 (36)
LED Thermometer 66 (36)
Live Wire Tester 62 (36)
Logic Checker 20 (36)
Logic Gate Checker 50 (36)
Logic Pulser 36 (36)
Modulated Signal Injector w/ HC001 10 (36)
Multipurpose Coil Tester w/ HC851 55 (36)
Precision Function Generator w/ HC841 & 10-0-10 22 (36)
Repairman's Signal And Injector w/ HC001 V3 (36)
RMS to DC Converter w/ HC991 & 12V 200mA 50 (36)
SCR Tester 22 (36)
Signal Tracer 11 (36)
Soldering Iron Controller w/ HC981 & 6950 50/V4 (36)
Temperature Probe for DMM 68 (36)
Transistor Tester w/ HC001 9/V1 (36)
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Wireless Transmitters/Microphones


FM Transmitter w/ HC001 26/V3 (37)
Low-Cost Wireless Audio Transmitter w/ HC002 54 (37)
Wireless IR Headphone Transceiver w/ HC851 & 12V 250mA 44 (37)
Wireless Microphone III w/ HC871 32/V4 (37)
Wireless Mike No. 7 & 8 w/ HC001 V1 (37)
Wireless Mike No. 10 w/ HC001 V1 (37)
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Others


Compact Metal Detector w/ HC981 26/V1 (38)
Electronic Solid State Relay 55 (38)
Electronic Thermostat w/ 6950 & HC812 55 (38)
Fire Alarm w/ HC981 & 6Vx2 250mA (6950) 48 (38)
Heart Beat Monitor 68 (38)
Mosquito Pester 18/V2 (38)
Push Button Digital/Analog Signal Selector w/ HC981 69 (38)
Rat Repeller 62 (38)
TENS Pain Reliever (Nerve Stimulator) w/ HC001 49/V5 (38)
Water Level Alarm w/ HC001 47 (38)
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