This project have instructions to transform a conventional optical mouse into a trackball mouse. A Trackball mouse allows people with reduced hand/arm mobility control a computer.

It is very important for the function of the trackball mouse that the center of the mouse's laser should touch (or be very near) to the ball.

You will need to download this software (http://hp.vector.co.jp/authors/VA026826/ ) in order to reverse the direction of the mouse. It is recommended slow down the mouse speed.

This object was made for the "Mutual de Seguridad C.Ch.C" from Chile. In a project of the Direction of innovation and development, and the Neuro rehabilitation institute.