That’s the idea behind this Arduino-based measuring jig for fabricating ... We’ve seen his garbage can CNC build and encoders from e-waste and tin cans, all of which gave surprisingly good ...
An Arduino Due forms the heart of the project, controlling a TEA5767 module, an SH1106 128×64 pixel OLED display and a rotary encoder. The sound signal is passed through an LM4811 headphone ...