I2C Interface board for 1602/2004 LCD

I2C Interface  board for 1602/2004 LCD   has PCF8574 I2C chip that converts I2C serial data to parallell data for the LCD display. It can be connected to a standard HD44780 compatible 16x2 or 20x4 Character Display Module that supports 4 bit mode. In general, LCD connection with Arduino require RS,E and 4 data pins. I2C interface LCD adapter plates leaves the flexibility to reduce these pins to  only 2. Since it uses I2C mode for communication only SDA and SCL pins are needed. The I2C address is 0x3F by default, but this can be changed via 3 solder jumpers provided on the board.

Specifications ofvI2C Interface  board for 1602/2004 LCD :

•     Power supply : 5V
•     Serial I2C control of LCD display using PCF8574
•     Backlight can be enabled or disabled via a jumper on the board
•     Contrast control via potentiometer
•     Backlight can be enabled or disabled via a jumper on the board   

Dimensions:

•    Size: 41mm x 19mm

Package includes:

• 1 X I2C Interface  board for 1602/2004 LCD