The PPSCREW offers a convenient screw-terminal breakout board and Power for Particle Photon. The PPSCREW includes an integrated I2C port for easy expansion to the entire NCD I2C Product Line. The PPSCREW is compatible with the PKFR Key Fob Receiver expansion, allowing Key Fob commands to be sent directly to the GPIO of the Particle Photon. This Board comes with an on-board switching power supply.