Categories

Posts Tagged ‘Christmas Tree O’Digital Logic’

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...

Tags: , ,
Posted in Holiday, LEDs | No Comments »

Recent Comments

  • KH: That's a good one, ha ha. Let's see whether ST Microelectronics takes action. I can understand how this can be done legally, ARM is not...
  • Ja: Where these GD chips can be found? Everywhere I look I have found only STM chips.
  • Max: Well, there's your problem. Or rather, the problem with Arduino in general: a) not using interrupts for anything that can't wait, and b) using delay()...
  • KH: yield() instead of proper interrupt-driven code? Ewwwwwww... somebody please teach these Arduino folks proper AVR microcontroller programming!
  • Henry: Hope I win one thanks