Layman’s RGB LED module is an ultra-simple project realized without any microcontrollers. An RGB LED can be driven with a cmos presettable up/down. ... This lead will be treated as the “common” pin of ...

[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 … ...

The door strike circuit is pretty simple. Since it contains a coil, we’ll treat it like the coil of a stepper motor and use a TIP120 transistor to supply the power.

Gigabyte, which announced that it will get into the RAM business at Computex, is taking things even further. It’s selling light-up LED-infused RAM that doesn’t even have any RAM in it.