The backlight and contrast is adjusted by potentiometer. Come with 2 IIC interface, which can be connected by Dupont Line or IIC dedicated cable. Compatible for 1602 LCD. This is another great IIC/I2C/TWI/SPI Serial Interface. With this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project.
