As per the other thread, the functionality of the controller is now pretty far along and nearing completion so its time to finalise the actual input device itself. The two options are shown here (with a GX80 to show scale). How this will work is that a small module speaks to the camera over wifi to do the actual commands and it will receive its input from one of these devices, both of which are bluetooth. And cheap. They both have a combination of buttons and a joystick but t