Quick search: https://docs.arduino.cc/built-in-examples/usb/KeyboardAndMouseControl/ https://docs.arduino.cc/built-in-examples/usb/KeyboardAndMou... https://a

Quick search: https://docs.arduino.cc/built-in-examples/usb/KeyboardAndMouseControl/ https://docs.arduino.cc/built-in-examples/usb/KeyboardAndMou... https://anhnguyen.me/2014/01/turn-arduino-uno-r3-into-a-mouse/ https://anhnguyen.me/2014/01/turn-arduino-uno-r3-into-a-mous... https://github.com/biomurph/Mouse https://github.com/biomurph/Mouse https://hackaday.com/2023/11/01/this-oshw-trackball-is-ready-to-be-customized/ https://hackaday.com/2023/11/01/this-oshw-trackball-is-ready... https://hackaday.com/2021/11/21/a-trackball-so-good-you-cant-buy-it/ https://hackaday.com/2021/11/21/a-trackball-so-good-you-cant... https://hackaday.com/2019/11/01/ploopy-open-source-trackball-keeps-rolling-along/ https://hackaday.com/2019/11/01/ploopy-open-source-trackball... I'm a trackball user, so thats what i tend to catch. the principles are pretty similar. Just turned over. https://www.youtube.com/watch?v=BEN1XgCNqqc https://www.youtube.com/watch?v=BEN1XgCNqqc