FaBoLCD-PCF8574-Library This is a library for FaBo #212 LCD I2C Brick. FaBo LCD I2C Brick #212 LCD I2C Brick PCF8574 PCF8574 is Remote 8-bit I/O expander for I2C-bus PCF8574 Datasheet PCF8574 Datasheet Releases 1.0.0 Initial release. How to install Installing Additional Arduino Libraries