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 was found in a 90s Radio Electronics. The integrated circuit admits an equivalent. The...
Suggested by Radio Electronics from the 90s, this circuit is suitable for NiCAd batteries with a...
To control direct current loads, under voltages between 12 and 200 V, and currents up to 3 A, we...