Projects & Circuits is a compilation of selected construction projects appearing in Electronic Enthusiasts issues. Since copies of old issues of Electronic Enthusiasts have already run out, we decided to come out with Projects & Circuits.

Most of these projects are presented in how-to-do format with detailed circuit operation, construction procedure, and necessary illustrations. The approach is synonymous with an assembly manual. Steps have been taken to simplify construction work and avoid possible confusion.

Available Projects & Circuits Volumes


All reasonable precautions are considered in the preparation of the circuits and diagrams to ensure the reliability of the magazine. However, we cannot accept legal responsibility for it. Technical errors that escaped detection during publication and discovered later are immediately corrected and printed in the ERRATA section of the forthcoming issue and subsequent reprints.

Projects & Circuits Volume 1

ISBN: 9718978003
Copyright: 1982 (Reprinted on 2004)
Publisher: Electronic Hobbyists Publishing House
Cover Format: Paperback
No. of Construction Projects: 20
Includes: Alexan Product List and Connection Diagrams

PRIMER IN ELECTRONIC PROJECT MAKING:
  • Why Make Electronic Projects
  • How to Read Electronic Circuit Diagrams
  • Components Symbols and Actual Components
  • Carbon Composition Resistor and Capacitor Coding
  • Tools Needed in Electronic Kit Making
  • Materials and Equipment Essential in Electronic Kit Making
  • Making Your Own Printed Circuit Board (PCB)
  • How to Solder Properly and Avoid Problems
  • When You Project Failed to Work
  • Troubleshooting Your Project and How to Test Basic Electronic Components
CONSTRUCTION PROJECTS:
  • 0 to 25-Volt 1 Ampere Regulated Power Supply
  • 2-Tone Doorbell
  • 6-Watt Power Amplifier
  • 15-Watt Integrated Bridged Power Amplifier
  • 80-Watt RMS Stereo Power Amplifier
  • Alexan Multitester
  • Compact Metal Detector
  • Computerized Door Tune
  • DC Motor Speed Controller
  • Electronic Lamp Dimmer
  • Four Input Mixer
  • In-Circuit Transistor Tester
  • Morse Code Practice Oscillator
  • LED VU Meter
  • Power On Delay and Low Voltage Protector for Appliances
  • Sensor-Based Sentry
  • Universal Hi-Fi Preamp Control
  • Voice Operated Switch
  • Wireless Microphone: Mini Mike
  • Wireless Microphone: WM Model

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Projects & Circuits Volume 2

ISBN: 9718978011
Copyright: 1984 (Reprinted on 2004)
Publisher: Electronic Hobbyists Publishing House
Cover Format: Paperback
No. of Construction Projects: 23
Includes: Alexan Product List and Connection Diagrams

FEATURES:
  • Resistors
  • Capacitors
  • Inductors
  • Shattering Myths in Audio Servicing
  • Solder Types of Special Solder
  • Troubleshooting E.E.'s 100W Power Amp
  • Electronic Shock Facts
  • How to Succeed in Kit Making
CONSTRUCTION PROJECTS:
  • 1.25V to 25-Volt Regulated Power Supply
  • 2-Way Intercom System
  • 16-Melody Doorchime
  • 100W Stereo Amp
  • Automatic Car Battery Charger
  • Car Thief Staller
  • Extension Telephone Switcher
  • FM Telephone Pick-up
  • Lie Detector
  • Logic Pulser
  • Low-Cost Wireless Audio FM Transmitter
  • Modulated Signal Injector
  • Mosquito Pester
  • Moving Chain of Lights
  • NiCD Battery Charger
  • Power Saver
  • Remote Control Doorbell
  • Running Lights
  • Speaker Protector Device
  • Stereo Synthesizer
  • Super Siren and Public Addres System for Car
  • Telephone Musical Ringer
  • The Incredible Power Amplifier (100 Watts RMS Power Output/Channel)
HELPFUL HINTS:
  • Servicing TV Games Projects and Other TV Devices
  • Primer on Keyboard
  • How to Design Alarm Circuits
  • Risk Your Life by Neglecting These Safety Standards
  • Proper Handling of CMOS Devices
  • Electronic Graphical Symbols

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Projects & Circuits Volume 3

ISBN: 971897802X
Copyright: 1984 (Reprinted on 2003)
Publisher: Electronic Hobbyists Publishing House
Cover Format: Paperback
No. of Construction Projects: 23
Includes: Alexan Product List and Connection Diagrams

REFERENCE:
  • Some Basics Alternating Current and Direct Current Power Supplies: Converting Alternating Current (AC) to Direct Current (DC)
GOING THRU ELECTRONIC PROJECTS:
  • Safety Guidelines on Your Workbench
  • How to Read Resistor and Capacitor Codes
  • Cables, Connectors, Plugs and Adaptors
  • Handling CMOS/MOS ICs
  • How to Mount Power Semiconductors
  • How to Solder Properly
  • Plastic Enclosures
PROJECT TESTING AND EVALUATION:
  • Basic Component Test Procedures
  • How to Use a Solderless Breadboard
  • How to Use a Multimeter
  • How to Use an Oscilloscope
CONSTRUCTION PROJECTS:
  • 2-Watt RMS Utility Amplifier
  • AM Personal Pocket Radio
  • Automatic 220V AC Voltage Regulator
  • Disco Dancing Lights
  • Emergency Lighting Unit with Charger
  • FM Transmitter
  • Infrared Remote-Controlled Switch
  • Kitt's Scanner
  • Light Activated Switch
  • Matching Preamp for the 80-Watt RMS Stereo Power Amplifier and ESM532C 20-Watt/Channel Audio Power Amplifier
  • Porta Amplifier
  • Programmable Sequential Lights
  • Repairman's Signal Tracer and Injector
  • Room Amplifier (12 Watts PMP Per Channel)
  • Simple and Low Cost Graphic Analyzer
  • Speaker Time Delay
  • Subwoofer Predriver
  • TV Modulator with Sound
  • Ultrasonic Intruder Alarm
  • Versa Power Supply

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Projects & Circuits Volume 4

ISBN: 9718978038
Copyright: 1988 (Reprinted on 2005)
Publisher: Electronic Hobbyists Publishing House
Cover Format: Paperback
No. of Construction Projects: 20
Includes: Alexan Product List and Connection Diagrams

REFERENCE:
  • The World of LEDs
  • Digital Logic ICs
  • Oscilloscope Probes
  • 555 Timer
  • OP Amps
  • Transformer
  • Televison Antenna
CONSTRUCTION PROJECTS:
  • 2-Tone/Melody Doorchime
  • 3-Minute Telephone Timer
  • AC Line Voltage Sensor
  • Anti Burglar Light Switch
  • Automatic Telephone Recorder
  • Clap Switch
  • Dynamic Phaser
  • Echo Reverb Processor
  • Electric Fan Speed Controller
  • Electronic Combination Lock
  • Electronic Parrot
  • Electronic Stereo Source Selector
  • High Energy Electronic Ignition System
  • Home Video Distribution System
  • Infrared Intruder Alarm
  • Night Switch
  • Power Inverter
  • Soldering Iron Controller
  • Water Level Alarm
  • Wireless Mike III

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Projects & Circuits Volume 5

ISBN: 9718978046
Copyright: (Reprinted on 2004)
Publisher: Electronic Hobbyists Publishing House
Cover Format: Paperback
No. of Construction Projects: 22
Includes: Alexan Product List and Connection Diagrams

REFERENCE:
  • Radio Communications Fundamentals: AM/FM Systems
  • Understanding Digital Logic Integrated Circuits
  • A Primer on Batteries and Cells
  • Simplified Design of Op Amp Filters
  • Substituting Components in Electronic Circuits
  • Practical Setups of Home Audio, VCR and TV Systems
  • Using Electronic Test Instruments Effectively
CONSTRUCTION PROJECTS:
  • 2-Tone Melody Doorchime II
  • 3-Way Active Crossover Network
  • 5-Band Stereo Equalizer
  • 12-Song Christmas Melody
  • 20-Ampere Regulated Power Supply
  • 20-Watt Power Amp and Tone Control
  • Car Stereo Booster
  • Digital Echo Karaoke Box
  • Electronic Drum Set
  • Fire Alarm
  • Police Siren
  • Quasi Sine Wave Inverter/UPS
  • Stereo Simulator
  • Teenyboopper Cassete Tape Recorder
  • TENS Pain Reliever
  • Touch-Controlled Lamp Dimmer
  • Touch Door Knob Alarm
  • TV Stereo Decoder
  • Ultrasonic RC Switch
  • Using the EM-80 Mic
  • Voice Changer Microphone
  • VU Meter II

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