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 uses components that are no longer easily found. The circuit is from a 1988...
Suitable for battery powered microcontrolled applications this Texas Instruments circuit from its...
June 2016 - It can be purchased from Mouser Electronics the new triacs Z04 for 4 A from...