DRV8825 Stepper Motor Driver with Aluminum Heat Sink – High-performance stepper motor driver supporting up to 45V and 2.5A per coil with microstepping (up to 1/32). Compatible with Arduino, CNC, and 3D printer applications. Comes with a heat sink for better cooling.

Pin Description:

• VMOT – Motor power supply (8.2V-45V)
• GND – Ground
• VCC – Logic power (3.3V-5V)
• DIR – Direction control
• STEP – Step pulse input
• ENABLE – Enable/disable driver
• MS1, MS2, MS3 – Microstep selection
• FAULT – Error indicator
• RESET – Reset driver
• SLEEP – Low-power mode