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 simple multitester tests continuity, semiconductors, leaks, and other common component...
This configuration can be implemented with equivalent operations. The circuit is from the 1990...
This circuit is one of many that we have in our section. It was taken from the Electronics...