Please help, I tried to drive a 9V DC motor using the 2N2222 NPN transistor, but the transistor got burn (probably overpowered). I connected the motor in series with the emmiter, with 9V the going to both the base and collector. Someone had suggest that I connect a diode parallel with the motor, but I got a reading about 0.7 V across the motor, that won't drive the motor. Is the a circuit I can build to drive the motor?