Travel joystick

If you are here you are either curious or desperately looking for a small joystick (maybe because you want to hide your cravings for virtual flights to your loved ones, or maybe because you are a businessman, always far from your home computer). In any case let me introduce you to my pocket, travel compatible joystick !

It features not one, not two but THREE push buttons and tree axis (X, Y & throttle) with the possibility to swap the X axis for a Z axis (in order to control the yaw while taxiing on the ground for instance) by pressing on the fourth button. All axis use digital sensors (Hall effect sensor for X and Y and a rotary encoder for the throttle).

To manage your expectations I have to tell you that from a mechanical standpoint, this design is terrible: the springs do not provide a very good feeling and the joystick will often not return correctly to its centre position (I think this could be fixed by using stronger springs). There is also some jitter on the Y axis. To "solve