Avago Technologies has announced a series of small form factor (SFF) optical mouse sensors with an integrated chip-on-board (COB) LED illuminated optical navigation system that is the thinnest in the ...

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 ...

This circuit shows how to use an ordinary LED as a light sensor. It makes use of the photovoltaic voltage developed across the LED when it is exposed to light. LEDs are cheaper than photodiodes and ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. Logitech’s new G305 wireless mouse is the latest entry in the company’s lineup of gaming mice, and it ...