Originally published at: http://blog.tindie.com/2014/06/featured-product-laser-motion-sensor-for-the-ultimate-trackball/
The ADNS-9800 Laser Motion Sensor was built out of necessity: inventor John Kicklighter wanted a super-high resolution trackball for both gaming and CAD design. He found that the trackball he’d been using for 20 years (!) could no longer keep up with the highresolution screens he is now working with. “Using my old trackball to navigate…