BAC V Expansion Connector Kit (FX45)Looking to expand beyond the included 8 inputs, 6 outputs and 2 relays on your BAC V controller? Add an FX45 to the expansion port on the right and a whole new world of puzzles and connectivity awaits. The affordable FX45 BASIC is all you need to connect a wide variety of Escape Room Techs props. It includes: RS485 Network Port: Connect up to 32 FX205 RFID readers and detect non metallic objects with precision! I2C Port (JST PH Connector): Connect