Inside the ball there’s an Adafruit Feather ... space before sending its position to the computer. To send the click events, [Jacek] baked some mouse buttons into the keyboard’s firmware.

Dvice recently published a visual history of the computer mouse ... of mechanical encoders that tracked the ball’s movement. As time went on, other mouse-type devices came and went, but it ...

sending a signal to the computer to perform a certain action. The first stage in the mouse’s evolution was the trackball mouse whereas current models use lasers. The ball mouse, also called a ...