Description

An LCD display that can display a max of 16×2 charactors. with the help of the I2C bus convertor and related libraried, you can easily use this module with just 2 wires.

You can find the usage here:http://osoyoo.com/2014/12/07/16×2-i2c-liquidcrystal-displaylcd/

Specification

Backlight control and Contrast control

The Backlight can be controlled by the firmware or the on-board jumper:
Firmware:

 lcd.backlight();// light on the backlight;
 lcd.noBacklight();//light off the backligth;

Hardware:

There is a jumper on the board, if you take away this jumper , the backlight will aways be off, and you can also control the LCD contrast by adjust the on-board potentiometer.

Libraries

Arduino library: LiquidCrystal_I2C

Examples

Arduino:

Raspberry Pi: