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WS2812 데이터시트(PDF) 65 Page - Raspberry Pi Holdings PLC

부품명 WS2812
상세설명  Created by Phillip Burgess
PDF  98 Pages
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제조업체  RASPBERRY-PI [Raspberry Pi Holdings PLC]
홈페이지  https://www.raspberrypi.com/
Logo RASPBERRY-PI - Raspberry Pi Holdings PLC

WS2812 데이터시트(HTML) 65 Page - Raspberry Pi Holdings PLC

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Pixels Gobble RAM
Each NeoPixel requires about 3 bytes of RAM. This doesn’t sound like very much, but when you start using dozens or
even hundreds of pixels, and consider that the mainstream Arduino Uno only has 2 kilobytes of RAM (often much less
after other libraries stake their claim), this can be a real problem!
For using really large numbers of LEDs, you might need to step up to a more potent board like the Arduino Mega or
Due. But if you’re close and need just a little extra space, you can sometimes tweak your code to be more RAM-
efficient. This tutorial has some pointers on memory usage. (https://adafru.it/coj)
© Adafruit Industries
https://learn.adafruit.com/adafruit-neopixel-uberguide
Page 68 of 101



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