The PIBO offers a convenient screw-terminal breakout board for Raspberry Pi 2 and 3. The PIBO includes an integrated I2C port for easy expansion to the entire NCD I2C Product Line. Monitor sensors, control relays, fets, and PWM devices using your Raspberry Pi 2 and 3. Integrated I2C port is level-shifted to support the NCD 5V I2C standard, which allows users to daisy chain devices according to application requirements.