[Toon Beerten] had been experimenting with LED lamp construction. He had already built a pretty neat pyramid of LEDs as a mood lamp but wanted something a little higher quality for his living room. He ran out and picked up an IKEA lamp, which you can see above. From the store, the lamp can only display one color, and has a clear construction. [Toon] wanted RGB and an opaque finish, so he sanded the lamp and built a custom circuit.

He tore out the lamp circuit and replaced it with his own, consisting of a 3W LED, a heatsink, and a PIC 16F628 (and the supporting components). The main circuit actually fits underneath the lamp pretty well. You can download the full schematics and code from his site if you’d like to replicate it.

As you can see in the video, the effect is quite nice.

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