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Here’s a cool hack for your XBOX 360 if you want to make it like a Wii controller or a SixAxisController.

The accelerometer works by outputting varying voltages for varying accelerations. I will use a 3-axis accelerometer so it will output 3 varying voltages. I will use an analog-to-digital converter to get the signals into a micro controller. The micro controller will do the processing that determines how the controller is tilted. It will then be output as an analog voltage to the controller in place of the on board potentiometers that are controlled by the analog stick.

Analog sticks work by adjusting two potentiometers (pots). After I took the controller all apart and experimented I found the potentiometers had an upper voltage of 1.61 volts and a lower voltage of 0 volts. On the up/down pot all the way up is 1.61 volts and all the way down is 0 volts. On the left/right pot all the way right is 0 volts and all the way left is 1.61 volts.”

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