This circuit can be used with common drills connected to the 110 V network. With change of R1 and R2 you can use the circuit in the 220 V network. The SCR must be equipped with a heat sink.
This circuit can be used with common drills connected to the 110 V network. With change of R1 and R2 you can use the circuit in the 220 V network. The SCR must be equipped with a heat sink.