Any connected Computer Mouse can be used as a MIDI controller.

You can generate MIDI events based on the mouse x and y value and scroll x and y values. How fast the x and y value changes depends on the sensitivity setting (that can be changed in the settings of this module), and do not directly map to the position of the mouse pointer on the screen. Most mice only have y-scroll, but some also support horizontal changes.

You can assign a separate action to each mouse button, like playing a note or sending control change events.

If you have multiple computer mice connected, the input will be combined. So there is currently no way to select a specific mouse.