DORHEA 2PCS IIC I2C TWI Serial LCD 2004 20x4 Blue Backlight Module with I2C Interface Adapter Compatible with Raspberry Pi

I2C LCD 2004 display 20 characters in one row 4 rows can display 80 characters This kit contains IICI2CTWI serial interface adapter you can start your project at any time Less IO ports are occupied only four VCC GND SDA serial data line SCL serial clock line address of the module 0x27 or 0x3F IICI2C interface only takes two IO ports thus saving more for other usages You can adjust the contrast by the potentiometer at its back If you dont want the back light you can also unplug the jumper cap at the LCD back LCD display module works great compatible with Arduino Mega2560 board and other microcontrollers.