Price: $36.55

     This is the assembly version of the Raspberry Pi- Step Your Pi, it uses 8 I/O pins of Raspberry Pi to drive up to two stepper motors, it is designed to make it super easy to get to grips with using stepper motors and the Raspberry Pi. Plugs it directly into the GPIO connector on the Raspberry Pi, utilises a ULN2803A IC to drive up to two stepper motors via 8 I/O pins, and has 8 bright indicator LED's.