Check the listing for details. Leo Bodnar Button Box Interface with Connectors BBI-32. Condition: New. Listed at 51.75 USD. Leo Bodnar BBI-32 is a USB joystick interface board with simple push in wire connectors to connect buttons, rotary encoders and switches to a PC or Mac. Build your own gaming device, flight panel, button box, joystick, robot controls and more. Also suitable for converting gameport devices or real life controls into a USB device for use with simulation or game software without the need to install drivers. 32 button | 16 rotary encoder | 11 BBI-32 rotary switch inputs DimensionsLength3.370" | 85.60mmWidth2.125" | 53.98mmHeight0.63" | 16.1mmRecommended Wire Size24AWG to 20AWGMounting Screw Hole SizeM2.5 or #3-56 (do not enlarge mounting holes) The PCB has a standard USB type B connector for USB A-B connection to the computer (cable not included). No drivers are required. Plug it in and use straight away.