https://www.tindie.com/products/jkicklighter/pmw3360dm-t2qu-motion-sensor/
Why do you think that https://github.com/monroewilliams/trackball is a good alternative to PMW3360DM-T2QU
https://www.tindie.com/products/jkicklighter/pmw3360dm-t2qu-motion-sensor/
Why do you think that https://github.com/monroewilliams/trackball is a good alternative to PMW3360DM-T2QU