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 ...

when i was going through my project of mine which required 32 character data string to be printed on a 16*2 lcd screen for a single data input ... Dirt cheap circuit to interface your microsd card to ...