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--- pov-tami [2019/04/26 17:18] – created yair
+++ pov-tami [2019/04/26 18:35] (current) – yair
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-למישו יש גליל (לפחות 500)  לתאמי?
+למישו יש גליל (לפחות 500)  לתאמי?\\
-אנחנו רוצים להכין משהו ליום העצמאות
+אנחנו רוצים להכין משהו ליום העצמאות  \\
-אפשר בכסף או לחכות שתגיע ההזמנה שלי
+אפשר בכסף או לחכות שתגיע ההזמנה שלי\\
-{{:58441911_277838576455361_6113701477010636800_n.jpg?400&direct}}
-{{:58708010_354986631787211_1681981769470967808_n.jpg?400&direct}}
+===datasheets===
-{{:58669749_577812446042573_3923213734520029184_n.jpg?400&direct}}
+  *[[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]]
-{{:pasted:20190426-141542.png?400&direct}}
+  *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]]
-SK6812
+{{:pasted:20190426-143503.png}}\\
+[[https://blog.particle.io/2017/05/11/heads-up-ws2812b-neopixels-are-about-to-change/|the horror]]
-{{:pasted:20190426-141551.png?400&direct}}
+===SK6812 ===
+[[https://www.partsnotincluded.com/programming/fastled-rgbw-neopixels-sk6812/|fastLED support]]
-{{:pasted:20190426-141558.png?400&direct}}
+===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
+]]
+{{:58441911_277838576455361_6113701477010636800_n.jpg?400&direct}} {{:pasted:20190426-141542.png?400&direct}}
+{{:pasted:20190426-141551.png?400&direct}} {{:pasted:20190426-141558.png?400&direct}}
 [[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]]
-https://github.com/FastLED/FastLED/wiki/Chipset-reference
-WS2813
 {{youtube>9anE3Tc2hCU?medium?400&direct}}