Using a 555, this configuration appears elsewhere on this site. This is from American documentation from the 90s. The indicator can be an LED or some device controlled by a relay.
The circuit shown was taken from an American 80s schematic. The circuit indicates when the battery...
This circuit was obtained in a 1980 publication, but it can be easily assembled today, as all...
The MultiSIM BLUE doesn’t have resistive sensors, but you can simulate them using common...