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RC boat with "out of this world" RGB LED lights

Description: Using an Arduino or a micro controller, we can generate cool-looking patterns with an led strip containing ...
EDN

Utilizing Photocell and RGB LED to Detect Colors

The build produces a color sensor using an RGB LED and a CdS photocell by retrieving color using Arduino. The build produces a color sensor using an RGB LED and a CdS photocell by retrieving color ...