I recently connected an Arduino to a Tri-Color LED Light Bar that I bought from SparkFun Electronics. I used pulse width modulation to control the brightness of each color. The individual colors combine to make the desired color. Download the code here and see the schematic below.
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Nov
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Project Idea: LED Coffee Table
I have wanted to build a project with LEDs for a long time. This weekend I came up with an idea, an LED coffee table. The table would have a large compartment in the center to house the electronics and either a clear or translucent top to allow the light to shine through. Ideally I [...]