The TrueMove3 sensor is based on the a Pixart 3360 and promises "true 1-to-1 tracking" up to 3500 CPI. The Rival 310 is slightly smaller than the Rival 300 and has the same new textured grips as the ...

This Design Idea utilizes an optical computer mouse's sensor for measuring rotation of a disk which can be mechanically connected to any sort of rotating apparatus. One feature is to allow adjustment ...