Sometimes, all the buttons you have at your disposal to control a computer fall short of the convenience a twirly little knob ...

Evolution of computer mice from trackball to optical, translating hand movements into on-screen interactions with precision.

Do you have a knob on your mechanical keyboard but aren't sure what to use it for? Here are a few different options to make ...

Gamers seeking a lightweight gaming mouse with wireless connectivity ... data is easy to access. The wheel includes up to 25 action buttons, with seven encoders for multiple input options and ...

You need a serial mouse. Happily, [matze525] has come along ... or if you were extremely lucky, optical encoder wheels. The supply of still-reliable RS232 mice must therefore be dwindling, and ...

For example, he’s using an optical mouse to detect the motion of the wheel. This requires that he print out a pattern to mount opposite the optical sensor. This sounds straight forward enough ...