Features

• Designed for Raspberry Pi interface, compatible with Raspberry Pi Zero / Zero W / Zero WH / 2B / 3B / 3B+

• Equipped with two HR8825 motor driver chips with built-in converters for square-wave control, capable of driving two stepper motors

• Supports six selectable microstepping resolutions via DIP switch: full step, half step, 1/4 step, 1/8 step, 1/16 step, and 1/32 step

• Adjustable output current via potentiometer, maximum 2.5A current output

• Onboard 5V voltage regulator chip, output up to 3A current, can directly power the Raspberry Pi

• Multiple stepper motor interfaces for easy and standardized motor connection

Specifications

• Motor Drive Voltage: 8.2V – 28V

• Motor Driver Chip: HR8825

• Maximum Current: 2.5A

• Board Size: 65 mm × 56 mm

• Mounting Hole Diameter: 3.0 mm