This is a project I worked on while at Widevantage. It is a battery and bluetooth free joystick. It is designed to slide seamlessly on to any iphone and use the phones sensors to control games /devices.
Gold and black variation
http://widevantage.com/ko/2016/08/26/motionplay-joystick-smartphones
To protect the rights of Widevantage Inc the contents of the mechanism can not be shown.
