Based on a CA3059 zero-cross switch, this circuit was found in the July 1995 Electronics Now magazine. The circuit is not isolated from the mains.
This circuit serves to prevent devices powered by 6 V from being left with a power cut. The...
This simple oscillator generates a 455 kHz signal. The circuit is from an 80's documentation and its...
This well-crafted speed game setup for two competitors was found in a 1998 Poptronics. The circuit...