This simple continuity tester consists of an oscillator found in the 1983 Electronics Experimenter Special projects magazine. The circuit is powered by a single battery.
This circuit is from old American documentation, using a regulator integrated circuit that is...
Very simple, this radio control circuit for short distances was found in an Electronic Design from...
This CMOS generator with the 4018 IC was found in a November 1976 Radio Electronics magazine. It...