DRV8825 Stepper Motor Driver with Arduino | Wiring, Current Limit & Code Explained
Learn how to use the DRV8825 stepper motor driver with Arduino to control a NEMA 17 stepper motor. In this complete DRV8825 Arduino tutorial, you’ll learn wiring, current limiting, VREF calculation, step resolution selection, and programming with the AccelStepper library.
In this video, you’ll learn:
✅ DRV8825 pinout explained
✅ How to connect DRV8825 with Arduino
✅ DRV8825 wiring diagram
✅ Current limiting using VREF calculation
✅ How to adjust DRV8825 current safely
✅ Full-step, half-step, quarter-step, 1/8, 1/16 and 1/32 microstepping
✅ DRV8825 fault, reset, sleep and enable pins explained
✅ Programming DRV8825 using AccelStepper library
✅ Bidirectional stepper motor control with Arduino
📌 Important Tips:
• Always use a capacitor across VMOT and GND
• Never connect/disconnect the motor while powered
• Set the current limit before running the motor
• Use a heatsink if drawing higher current
💡 Applications:
• CNC machines
• 3D printers
• Robotics
• Automation systems
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