Found in a Popular Electronics from the 1990s, this circuit monitors the voltage of a power supply or battery. The trigger voltage is adjusted with a potentiometer.
This circuit was developed to find intermittent defects in an electrical control. In the event of a...
The circuit shown is from the 1994 Linear Applications Handbook from National Semiconductor. The...
Suggested by General Electric in 1965 documentation this circuit is intended for the 120 Vac...