It can be tiring to use your mouse for long periods, so if you don't want to do so, a mouse cursor joystick ... Arduino Uno-powered project is designed to automatically change the speed of a DC ...

replete with a webcam and an Arduino setup, but in the process of doing so he "just realized that [he'd] made a mechanism to play tilt based phone games with a joystick." Yes indeedy, one of the ...