I built a quick project for a programmable light string in preparation for making more complex light shows.

Parts list:

  • Arduino UNO or compatible board
  • WS8211 LED light string. I used a 50 light string from ebay. Other types will work.
  • USB Power plug 2.4amp 5v. You will need more amps if you use more lights. Check the power requirements for your selected light string.
  • 220Ω resistor
  • Short wires – 1 each red, black, green (colors optional)
  • USB cable

Tools needed:

  • Soldering iron
  • Solder
  • Wire stripper
  • Wire cutter or  snips

Code is at:

Arduino powered addressable LED string
https://github.com/aleelatey/LED-LIghts
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You will also need the library

The main FastLED library (successor to FastSPI_LED). Please direct questions/requests for advice to the g+ community – http://fastled.io/+ – we'd like to keep issues to just tracking bugs/enhancements/tasks. *NOTE* library work is currently on hold – see https://plus.google.com/102282558639672545743/posts/JQKcujjaXXC for details.
https://github.com/FastLED/FastLED
505 forks.
2,034 stars.
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Recent commits:

Circuit diagram:

Arduino controlled LED lights
Mark Cahill
Mark has worked and played in a variety of industries and has extensive experience in Six Sigma, processes and systems.His current interests lie in personal development and teaching. Subscribe to this site or follow Mark on his social sites to see what he is sharing...
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