This is a RoHS compliant I2C Serial 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. There are many examples on the internet for using this board with Arduino. Do a search for ?Arduino LCD PCF8574?. The I2C address is 0x3F by default, but this can be changed via 3 solder jumpers provided on the board. This allows up to 3 LCD displays to be controlled via a single I2C bus (giving each one it?s own address)
Package includes:
1 x I2C Module for 16*2 LCD & 20*4 LCD
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