does it matter what the size of the diode is no??? yes checking it there the relay draws 21mA of current so maybe this is too high! and the transistor circuit do i need a resistor? thanks for your help!
does it matter what the size of the diode is no??? yes checking it there the relay draws 21mA of current so maybe this is too high! and the transistor circuit do i need a resistor? thanks for your help!