Onboard Standard Pi 40PIN GPIO extension header, supports Raspberry Pi series boards and Jetson Nano With 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 Onboard dual DRV8825 motor controller IC with built-in microstepping indexer, drives two stepper motors, easy to use Adjustable motor drive current via potentiometer, maximum 2.5A current output; Integrates 5V regulator, allows providing power to Raspberry Pi Protection features: Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO); With online development resources and manual (examples in BCM2835/wiringPi/python)