When you flip the optical mouse over, the red and blue lights should turn on. This light has the role of a sensor that recognizes the movement of the mouse, but by applying that sensor and modifying ...

If your pointing device is a mouse, turn it over. The chances are you’ll see a red LED light if you’re not seriously old-school and your mouse has a ball, this light serves as the illumination for a ...

Wanting to experiment with using optical mouse sensors but a bit frustrated with the lack of options, [Tom Wiggins] rolled his own breakout board for the ADNS 3050 optical mouse sensor and in the ...