RELAY+ EXTRA EXPANSION PORT RPI SBC; Silicon Manufacturer:Broadcom; Core Architecture:ARM; Core Sub-Architecture:ARM11; Silicon Core Number:BCM2835; Silicon Family Name:BCM2xxx; For Use With:Compatible with Raspberry Pi 2 Model B Raspberry Pi Model B+/A+; Kit Contents:Relay+ Board; Product Range:-; Features:4 GPIOs On-board EEPROM EXTRA Expansion Port Raspberry Pi HAT Footprint Screw Terminals