Headlight Reminder Circuit
Quiz-Show Indicator
Frequency and Capacitance meter
CMOS Oscillator
Adjustable flashing LED
LED Display controller
Info on CO2 lasers wanted (ho hum)
Crystal 32.768KHz CMOS Oscillator
Crystal Oscillator
FM Oscillator
Video amplifier
'Nixie' display tubes
Condenser microphone hookup
Bringing NiCd's from the dead
Phase shifter circuit
Ultrasonic transducer oscillator circuit
RR LED flasher (alternating)
HV supply 12VDC in, 12KV out
Generating -5VDC from +5VDC
Ground loops
Peltier coolers/heaters