Spinning the rotary encoder cycles through a menu of programs on the 16×2 LCD, and the key map just ... At the heart of this build is an Arduino Pro Micro and 20 of the loudest key switches ...

Refer below 16X2 LCD and I2C LCD interfacing With Arduino Tutorials- Visit for simillar projects at https://microdigisoft.com Tutorial 1: Arduino LCD Display Tutorial ...

The firmware for the Arduino Micro is written in C++ using the PlatforIO IDE. The code sequentially activates each row and column of the connected LCD, allowing users to visually inspect the display ...

The thumb gets a 4-way joystick. All of these inputs are wired up to an Arduino Pro Micro, which has sort of become the standard for DIY macro pads and keyboards. We think this looks fantastic ...