The I2c Connector Module Board use PCF8574 I2C chip that helps to converts I2C serial data to parallel data for the LCD display. It is compatible with 16×2 or 20×4 Character Display Module that supports 4 bit mode. It can have 8 modules on a singles i2c bus as well as the backlight can be controlled by the jumper and display contrast is adjustable by the potentiometer on the board.
|Contrast Adjust||Through Potentiometer|
|Header||Pre-Soldered Male Connectors|