This circuit detects when a powered circuit suffers a malfunction, lighting an LED. The supply voltage can be changed according to the monitored load.
This circuit was found in a 1979 magazine. We can use any JFET like MPF102 or BF245. The relay is 12 V...
With the values of the components used in this circuit, the signal produced is 800 Hz rectangular....
May 13, 2015 - Mouser Electronics, Inc., the global authorized distributor with the newest...