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WS2812 bảng dữ liệu(PDF) 65 Page - Raspberry Pi Holdings PLC

tên linh kiện WS2812
Giải thích chi tiết về linh kiện  Created by Phillip Burgess
PDF  98 Pages
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nhà sản xuất  RASPBERRY-PI [Raspberry Pi Holdings PLC]
Trang chủ  https://www.raspberrypi.com/
Logo RASPBERRY-PI - Raspberry Pi Holdings PLC

WS2812 bảng dữ liệu(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
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