(basic wiring, pinout, and output signal) Adding Arduino to your rotary encoder Now that your rotary encoder hardware is up and running it’s time to tell your Arduino what to do with the encoder ...

That’s the idea behind this Arduino-based measuring jig for fabricating parts for a CNC build. When it comes to building on the cheap, nobody holds a candle to [HomoFaciens].

A DIYer has pieced together a railgun of 3D printed pieces and other parts. The 3D printed prototype made by the U.S Navy is considered legit.