MegaPi Stepper Motor Driver

This module is designed to drive stepper motors. It uses DRV8825 chip and has a maximum driving current of 2.5A. The DRV8825 is a complete micro-stepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full, 1/2, 1/4, 1/8/ 1/16, or 1/32 step modes. Makeblock added an on-board potentiometer, so you can change the current for the motor easily.

  • Compatible with 4 wire bi-polar stepper motors;
  • A potentiometer to control the current of the stepper motor;
  • A on board heat sink helping heat dissipation;
  • Capable of driving one encoder motor (green interface);
  • Color-coded male and female pins ensure connecting with MegaPi correctly;
  • Small size for easy connecting with MegaPi.

Motor driver DRV8825
Output current 1.75A (with proper heatsinking at 24 V and 25°C)
Max current 2.5A (pay attention to heat dissipation)
Drive voltage 8.2V-45V
Note MegaPi max supply voltage 12V
Logic voltage 5V
Dimensions 1.5cm x 2.0cm

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