We found this circuit in a 1997 documentation. It can be used in any common 12 V source and has two relays that disconnect the source in the event of a short circuit.
The MOS field effect transistors of this circuit are not very common, as it is a project from the...
This old circuit uses na operational amplifier not easy to find in these days. But the circuit can be...
This circuit consists of an astable multivibrator whose frequency changes according to the light...