4066 Latching Touch Switch (CB25241E)

This circuit was found in the November 1989 Radio Electronics magazine. Power supply depends on the application.

Simple Assisted Ignition (CB6392E)
This Motorola circuit uses only one transistor. The circuit is from 1965 documentation. The...
Mini-Buzzer (CB459)
This circuit uses a piezoelectric transducer to produce sounds like a buzzer. Frequency is...
SCR Alarm oscillator (CB6114E)
This circuit was suggested by General Electric in a 1965 documentation. The circuit can be...