This project involves building a 4x4 switch macropad with a rotary encoder and a single button. It was developed for the Monash Association of Coding (MAC) Macropad Workshop. Instructions on ...

Arduino Pro Micro PEC16-4220F-S0024 Rotary Encoder ... get the same encoder with a 15mm shaft. The firmware is a standard keyboard matrix (4x4), but because of the layout of the macropad, the ordering ...