Using operational amplifiers of the time, we found this circuit in documentation from the 90s. The configuration can be adapted to use modern operational amplifiers.
This circuit was obtained in an English publication of 1975. It is a regulator circuit for...
In this circuit the relay triggers on when light falls onto the sensor, a common LDR. Power supply...
January 2017 - Mouser Electronics already has the new Ultra Low Drop controllers from Toshiba...