Is it really possible to build a rotary encoder out of a flattened tin ... Is there any way that you’d be able to put them to work in a DIY project like a CNC router? If you pay attention ...

Laser cutters are becoming more garage-accessible ... Having a laser onsite is a nice touch, but having a rotary axis is almost unheard of. These nifty add-ons enable your laser to cut and engrave ...