Connections I2C LCD Display

Connect Arduino to I2C Liquid Crystal Display

by Lewis Loflin

This is an Arduino version of my Raspberry Pi program. See Interface I2C LCD to Raspberry Pi in C.

Both programs do not require any external libraries or hidden code and I believe more flexible.


By Lewis Loflin
Electronics website:

This demonstrates using direct coding and no external
user libraries op operate a common I2C based
LCD display with Arduino.

Based on an previous Raspberry Pi Linux project.
Interface I2C LCD to Raspberry Pi in C


Arduino sketch for this project: lcd_i2c_no_library.ino

My YouTube Videos on Electronics
Introduction to the Arduino Microcontroller
Part 1: Programming Arduino Output
Part 2: Programming Arduino Input
Part 3: Arduino Analog to Digital Conversion
Part 4: Using Arduino Pulse-Width-Modulation
Repost Arduino AC Power Control

See How I got into Electronics