Simple, Low-cost Electronics Projects

Fred's explanations are clear, readable, and friendly. Each project comes with a complete discussion of circuit theory, circuit board and parts placement layouts, excellent hints on building and testing each circuit, suggestions for packaging, and a complete parts list. Few things are as satisfying as when an electronic device you built yourself comes to life when you flip the "On" switch. You're guaranteed success with this essential book on your workbench!

Chapter 1: A Telephone Hold Button
Chapter 2: A Telephone Remote Ringer
Chapter 3: A Telephone Recording Beeper
Chapter 4: A Telephone FM Transmitter
Chapter 5: A Telephone Line Analyzer
Chapter 6: Two Simple Electronic Sirens
Chapter 7: A Variable Frequency Audio Oscillator
Chapter 8: Building a VOX (Voice Operated Switch)
Chapter 9: A Nickel-Cadmium Battery Zapper
Chapter 10: A Multi-purpose Digital Tester
Chapter 11: 3-1/2 Digit Module Applications
Chapter 12: More 3-1/2 Digit Module Applications
Chapter 13: A Digital Thermometer
Chapter 14: A Talking Alarm Clock
Chapter 15: A DC Digital Voltmeter
Chapter 16: A Digital Multimeter Kit
Chapter 17: A Transistor/Diode Tester
Chapter 18: Quick Tracey, the Semiconductor Sleuth
Chapter 19: Digital Voltmeter Capacitance Adapter
Chapter 20: A Function Generator
Chapter 21: Measuring Inductance with "Quick Henry"
Chapter 22: A Deluxe Timebase