Using 5 V relays, this circuit can be used as a control shield for microcontrollers. The circuit uses relays, and the motor voltage is independent of the control voltage.
This regulator type series for charging batteries from solar panels was found in a technical...
We can use high value electrolytic capacitors in alternating current circuits with the...
We found this circuit in an old French documentation from the 70s, but it can be assembled using...