FaBoKTemp-MCP3421-Library This is a library for FaBo #209 KTemp I2C Brick. FaBo KTemp I2C Brick #209 KTemp I2C Brick MCP3421 MCP3421 is 18-Bit Analog-to-Digital Converter. MCP3421 Datasheet MCP3421 Datasheet Releases 1.0.0 Initial release. How to install Installing Additional Arduino Libraries