Luckily, using the mouse scroll wheel encoder with an Arduino Uno proved to be easy after I made a slight modification (see below). Here, JP-A and JP-B are renamed as D11 and D12 respectively.

[scott] had a need to capture a mouse and wanted to learn about how to program an arduino, so he built an Arduino controlled mousetrap. It is made from things he had laying around the house, like ...

The idea early on was to leverage existing Arduino libraries to connect with a standard USB mouse, specifically, the hardware would take the form of an Arduino Mega 2560 with a USB Host Shield.

Build your very own custom computer mouse powered by Arduino, using 3D printed components together with a selection of buttons and controls ...