This is a RoHS compliant I2C Serial Interface Adapter Module LCD Daughter board that can be connected to a standard 16×2 or 20×4 Character Display Module that supports 4-bit mode. All Character Modules sold on our site support 4-bit mode, and nearly all commercially available 16×2 and 20×4 line character modules support it too. This board has a PCF8574 I2C chip that converts I2C serial data to parallel data for the LCD display.

Weight 10 g
Dimensions 4 × 2 × 1 cm
Input Voltage Range(VDC)


PCB Size ( L x W ) mm

42 x 20

power supply.



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