[English] Simple code to receive commands from the serial port and write to an I2C 16x2 LCD display.

I am an experienced embedded software engineer (and Professor) and I was shocked at how difficult this was. Using these devices on Arduino with the Arduino IDE "just works." Pain points for ESP-IDF ...

Hitachi’s HD44780 based 16×2 character LCD are very cheap and widely available, and is an essential part for any project that displays information. Using the LCD backpack, desired data can be ...