If you are [Tech Build] you go all MacGyver on an old printer and pull out a stepper motor. How does a stepper motor turn into an encoder? Well, that’s the MacGyver part.

The project uses an Arduino Uno R3, Arduino Mega 2560, Arduino CNC Shield V3 GRBL, Stepper Motor Driver A4988 and Arduino L293D Motor Shield together with a couple of wooden wine boxes to create a ...