Now suppose your latest self-quarantine project needs a rotary shaft encoder ... go all MacGyver on an old printer and pull out a stepper motor. How does a stepper motor turn into an encoder?

Most stepper motors you’ll encounter in DIY projects, 3D printers, and small CNC machines are bi-polar, 2-phase hybrid stepper motors, either with 200 or — in the high-res variant — with 400 ...

Tamerlan has created a Raspberry Pi-powered chess board that automatically moves pieces and has programmed it to be an opponent you can play against.