There are several solutions for that, but the oldest one is probably the trackball. Ploopy is an open source trackball you can build yourself and it looks pretty capable. While we aren’t wild ...

With open source hardware (OSHW) input devices like the Ploopy Adept Trackball, you not only get to say you built the thing yourself, but there’s also an opportunity to tune the gadget to your ...

Oct. 12/20: Code now availble, see extra pictures of finished Trackball box. Dec. 16/20: Added code for x-axis disable (Golf game driver - no hook/slice cheat). Dec. 16/20: Uploaded new code for ...

Logitech once again finds itself on our list, as its ERGO M575 consistently ranks as one of the most popular and comfortable ...

Instead of using the standard pro micro, I used the sparkfun pro micro usb-c controller and qwiic port to connect the pimoroni trackball as shown below. Currently the common crkbd doesn't support i2c ...