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Dan just posted 3 great LED Instructables, including this one on making your own color controllable high powered lighting…

“Build your own fully color controllable RGB room or spot lighting for under $100. Perhaps you are asking yourself: “why would i want an any-color light?” well, for starters you can give your pets a virtual color make-over! ever wondered if Fido might look better in purple? perhaps you’d like to see your makeup the way Bono’s seeing it with those blue-lens sunglasses? or maybe you’re sick of your almond-white wall paint and want to give it just a tweak of eggshell today? of course, it’s a gimme for the dance-party, but you can also use it to tweak the shade on your existing room lighting, or as a standalone to get any shade of white (and perfect color rendering) – invaluable for visual arts. in search of an existential crisis? i just spent a good half an hour with this light staring at my hand and trying to figure out what color it is *supposed* to be.”Link.

Related:

  • Power LED’s – simplest light with constant-current circuit – Link.
  • Circuits for using High Power LED’s – Link.
  • LED projects @ MAKE – Link.