The chances are that you need to add a 1N4007 diode to the coil.
Note that we do not include this diode in the circuit, as many relays and other coils ship with this diode.
The chances are that you need to add a 1N4007 diode to the coil.
Note that we do not include this diode in the circuit, as many relays and other coils ship with this diode.