This sensor circuit for currents of the order of nanoamperes was found in an American documentation from the 1980s. The components are from that time.
This traditional version of timer was found in an old English publication. The relay must be of a...
We found this circuit in an old documentation. Transistor can be BC548 and relay according to...
Mouser Electronics owns the Texas Instruments DRV832x 3-Phase Gate Drivers capable of controlling...