The low-voltage DC motor pictured in Figure 12.1 provides sufficient mechanical power to drive small fans or spin lightweight objects.While the voltage is relatively low at 1.5 to 4.5 volts,the current can get as high as several hundred milliamps or even several amps in stall (blocked rotor) conditions.For this reason a power MOSFET is used as a motor drive.Figure 12.1 show the NI myRIO Starter Kit DC motor.