Vex usb programming hardware kit vex 276 2186 the vex usb programming hardware kit provides a wireless connection between your pc and the vex cortex microcontroller it plugs into the program socket on the top of the controller and uses the vexnet wireless network to transmit data as well as working as a direct replacement for the standard usb download cable the programming hardware kit also allows you to perform advanced programming functions and monitor parameters on your robot whilst con