FaBoGPIO40-PCA9698-Library This is a library for FaBo GPIO40 PCA9698 Library. FaBo GPIO40 PCA9698 Library FaBo GPIO40 PCA9698 Library PCA9698 PCA9698 is NXP Semiconductors's I2C GPIO chip. PCA9698 Datasheet PCA9698 Datasheet Releases 1.0.0 Initial release. How to install. Installing Additional Arduino Libraries