Adafruit stepper motor dc hat for raspberry pi a b or 2 adafruit 2348 this new dc stepper motor hat from b adafruit b is a raspberry pi add on that is perfect for any b motion b project being able to drive up to 4x dc or 2x stepper motors with full pwm speed control an onboard fully dedicated pwm driver chip controls both motor speed and direction with commands coming over via i sup2 c up to 32 motor hats can be stacked together for controlling up to 64 stepper motors or 128 dc