Overview
This Stepper Motor HAT gives your Raspberry Pi the ability to drives two stepper motors at the same time, supports up to 1/32 microstepping.

Features
Standard Raspberry Pi 40PIN GPIO extension header, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B and later versions, Jetson Nano
Onboard dual DRV8825 motor controller IC with built-in microstepping indexer, drives two stepper motors, easy to use
6 available microstepping modes, configured with the DIP switches: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
Adjustable motor drive current via potentiometer, maximum 2.5A current output
Protection features: Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO)
Integrates 5V regulator, allows providing power to Raspberry Pi
Onboard multi connector options for stepper motors in different specifications
Comes with development resources and manual (examples in BCM2835, wiringPi, and python)

Specifications
Motor controller: DRV8825
Motor drive voltage: 8.2V~28V
Motor drive current: 2.5A
Logic voltage: 3.3V
Dimension: 65mm × 56mm
Mounting hole size: 3.0mm

Applications
3D Printer
Sculpturing machine
Mechanical arm

Package Contains :
Stepper Motor HAT x1
RPi screws pack (2pcs) x1

For more details you may need to know, pls firstly send me message via Amazon, I will then send attached link including User Guide for you, thank you for patience.:)