למישו יש גליל (לפחות 500)  לתאמי?\\
אנחנו רוצים להכין משהו ליום העצמאות  \\
אפשר בכסף או לחכות שתגיע ההזמנה שלי\\

===datasheets===

  *[[https://cdn-shop.adafruit.com/datasheets/WS2812.pdf|WS2812]]
  *[[https://cdn-shop.adafruit.com/datasheets/APA102.pdf|APA102]]
  *[[https://cdn-shop.adafruit.com/product-files/1138/SK6812+LED+datasheet+.pdf|SK6812]]

  *why WS2812 (old version) suck > https://forum.pjrc.com/threads/31980-Why-my-pov-is-so-ugly?p=90558&viewfull=1#post90558
  *[[https://github.com/FastLED/FastLED/wiki/Chipset-reference|Chipset-reference]]
  *[[https://www.elecrow.com/blog/ws2813-vs-ws2812/|ws2813-vs-ws2812]]

{{:pasted:20190426-143503.png}}\\
[[https://blog.particle.io/2017/05/11/heads-up-ws2812b-neopixels-are-about-to-change/|the horror]]

===SK6812 ===
[[https://www.partsnotincluded.com/programming/fastled-rgbw-neopixels-sk6812/|fastLED support]]

===power===
[[https://learn.adafruit.com/adafruit-neopixel-uberguide/powering-neopixels|powering-neopixels]]

===prior art===
http://www.dnclabs.com/?p=949 [[{{:pasted:20190426-143445.png}}|pic]]

[[https://github.com/MuellerA/Led-8x8|8x8 WS2812 LED matrix driven by an Arduino Uno or ATtiny45 using AVR assembler code
]]




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[[https://www.aliexpress.com/store/product/10-1000pcs-SK6812-WS2812B-SK9822-APA102-RGB-RGBW-WWA-Warm-Natural-White-3535-5050-SMD-Individually/1051119_32814778563.html|aliexpress SK seller]] 


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