[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 object is the ...

The color detection circuit is capable of determining the color of an object using RGB LED. The process takes place by shining light of a certain color on the object and the color of the object can be ...

Back in May, I wrote about Piper Computer and its simplicity in bringing Rasberry Pi to students. I loved the entire process of building and using the original Piper Computer. Today, Piper is ...

The first light bulbs were invented in the 1800s, and since then, lighting technologies have continued to grow and improve in order to provide better flexibility and energy efficiency. Light-emitting ...