This is a nice Arduino project that uses a Powerball and a sensor to control a spaceship. The game is running in Flash, and it uses an Arduino to receive data from the sensor in the Powerball. I wish there was a little more details on the actual electronics of the build.
There are two parts the game and the hardware connection. After a little research I discovered the possibility to read out the speed of a Powerball with a sensor. By connecting this sensor to the Arduino (and a bunch of other electronic components) it is possible to use the rotationspeed of the powerball on your computer.
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