Control Stepper Motors with Arduino: Beginner's Guide Curious about how to control a stepper motor with Arduino? In this beginner-friendly Arduino tutorial, I'll guide you through the entire process of connecting your stepper motor to an Arduino Uno and coding an Arduino sketch that controls direction and speed. First, I'll show you step-by-step how to wire your stepper motor to an Arduino Uno using the correct motor driver module. Then, I'll show you how to choose the correct external power sup