[youtube= [Kyri] has made a simple circuit to do color detection using an RGB LED. Simply set the LED to the color you want to detect then wave the object over it. Another LED will light up if the … ...

What methods are you using in your work? Our device consists of two metal parts, and when they bind with certain gaps, they acquire a color. By using molecular binding phenomena such as ...

An attempt at using a light frequency sensor didn’t work either. What did finally work, was a luminosity sensor shown above. Finally, his prototype worked.

Researchers tested individual color detection using a Mario image. Here, they're testing out the red light detecting system. A green Mario shows the green system working.

Newly discovered two-cell color detection of the pineal organ in the lamprey may be an evolutionary ancestor to the single-cell system found in fish and reptiles Most non-mammalian vertebrates ...