This 2005 Linear Technology circuit has separate outputs for monitoring the charge and discharge of a battery. Formulas next to the diagram let you calculate the components.
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...
Found in a 90s Silicon Chip documentation this circuit is intended to protect a speaker system in...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...