RT & Arduino experiment was successfully conducted at my own lab using the ALPS-EC11E RT and Arduino UNO-R3, ported with a sketch borrowed from the web. You may ask why I did not prepare my own sketch ...

Relative rotary encoder The relative rotary encoder, also known as incremental encoder, is an applied optical encoding methodology. Generally, the rotary encoder utilizes a patterned spinning disc ...

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].