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Christmas Tree O’Digital Logic

Tuesday, December 18th, 2012

Chris from PyroElectro writes about his holiday project. "It's an all-digital-hardware LED Christmas tree we're calling the Christmas Tree O'Digital Logic. The tree itself is composed of 64 LEDs built into a spiral sitting on a piece of protoboard. Underneath, the controller uses shift registers and a 555 timer to...

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Recent Comments

  • Bob: Free PCB for me!
  • Drone: Nice - but I'm most interested in the enclosure with the finger-leaf cover. Where did that come from? How to buy more?
  • Dave B: Got two of them. If you let the battery run flat, they don't charge! You have to pull the battery, and get enough charge in...
  • Bill F: My turn?
  • Chris: Ok!