Found in the December 1986 issue of Radio Electronics magazine, this circuit is designed to select 4 outputs with pulses from a pressure switch. The circuit includes LED indication.
This is a circuit with a period component that consisted of a voltage reference. The circuit is...
This experimental circuit was found in a technical publication from 1976. The diode can be of...
Tone controls for audio applications can also be considered filters that must attenuate certain...