Do you already have the Arduino communicating with then pixy? If so you can see this thread: Using Pixy2 through arduino to roborio via usb
Basically you can plug the Arduino into the roborio via USB and then use serial to communicate.
Do you already have the Arduino communicating with then pixy? If so you can see this thread: Using Pixy2 through arduino to roborio via usb
Basically you can plug the Arduino into the roborio via USB and then use serial to communicate.