If you only want the mosfet to come on with roughly 12 volts supplied to the gate, you could have a simple voltage divider with a 10k from the 12volts coming in, and a 4k7 from the gate to ground.
It wont be particularly accurate though....
If you only want the mosfet to come on with roughly 12 volts supplied to the gate, you could have a simple voltage divider with a 10k from the 12volts coming in, and a 4k7 from the gate to ground.
It wont be particularly accurate though....