This LED flasher was described in the Radio Electronics Experimenter magazine special issue of 1989. It was designed to be assembled with SMD components.
This circuit is from 1999 documentation. However, it can still be easily assembled, as all...
This circuit was found in 1978 documentation, using the National Semiconductor's LM380. The...
This simple circuit that activates a buzzer was found in the July 1971 Radio Electronics magazine. The...