I found this ADNS5050 Optical Mouse Sensor driver use JavaScript.
http://www.espruino.com/ADNS5050
Someone know this sensor has Micropython 's driver?
ADNS5050 Optical Mouse Sensor.
Re: ADNS5050 Optical Mouse Sensor.
Seems easy enough to do it directly in Micropython without a (C) driver. Just try it!