Features
1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
2. Onboard dual HR8825 motor controller IC with built-in microstepping indexer, drives two stepper motors, easy to use
3. 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
4. Adjustable motor drive current via potentiometer, maximum 2.5A current output
5. Protection features: Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO)
6. Integrates 5V regulator, allows providing power to Raspberry Pi
7. Onboard multi connector options for stepper motors in different specifications
8. Comes with development resources and manual (examples in BCM2835, wiringPi, and python)

Specifications
1. Motor controller: HR8825
2. Motor drive voltage: 8.2V~28V
3. Motor drive current: 2.5A
4. Logic voltage: 3.3V
5. Mounting hole size: 3.0mm
6. Size: 65 x 56mm

Package List
1. Stepper Motor HAT (B) x 1
2. RPi screws pack (2pcs) x 1
3. Aluminum heatsink x 1