If you are [Tech Build] you go all MacGyver on an old printer and pull out a stepper motor. How does a stepper ... Of course, an Arduino reads the pulses. We love using things for unintended ...

This build relies on a solid-looking lead screw to move a carriage up or down. An Arduino Nano acts as the brains, a stepper motor drives the lead screw, and a small display shows stats such as ...