You can use a PS2 mouse as an input device connected directly to your Arduino.
If you get a USB host shield it might be possible to connect a USB mouse to your Arduino. I'm not sure about that but the information should be out there if it is doable.
You can use a PS2 mouse as an input device connected directly to your Arduino.
If you get a USB host shield it might be possible to connect a USB mouse to your Arduino. I'm not sure about that but the information should be out there if it is doable.