Rather than write a bunch of stepper motor code himself, he installed and ran a four-axis fork of grbl on the Arduino, turning it into a stepper motor controller.

Arduino has been used to control a stepper motor driver a MIDI interface, scanner parts and basic keyboard to great effect, check out the video below to learn more. Watch this video on YouTube.

As for what use this PCB stepper motor has, if you have to ask that question, you’ll never know. Also, because it looks cool. The Hackaday Prize2019 is Sponsored by: ...