I2C Module for 16x2 (1602) Character LCD

Overview

An I2C backpack adapter for a standard 16x2 character LCD, converting its many parallel data pins down to just two — SDA and SCL.

Key Specs

Pinout

Features

• Reduces LCD wiring from ~16 pins down to 4
• Onboard contrast trimmer

Compatible With

Standard HD44780-type 16x2 character LCDs, Arduino LiquidCrystal_I2C library

Use Cases

• Freeing up GPIO pins on projects that also need other I2C devices
• Simplifying LCD wiring in general

FAQ

What library do I need? The “LiquidCrystal_I2C” Arduino library is the standard choice.