Stepper Bee. (USB --> 2 x Stepper Motors) Explore the world of Stepper Motor control with the StepperBee. Simply connect one or two standard 4-phase stepper motors and start automating. StepperBee comes with AutoStep software allowing the complete beginner to quickly set up a working stepper motor control system (no programming experience needed). A DLL is also provided allowing you to write your own programs very easily. Note: This is the new style stepper bee which does not have and does not need the heatsinks normally fitted to the motor driver components on the board.