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WS2812 데이터시트(PDF) 65 Page - Raspberry Pi Holdings PLC |
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WS2812 데이터시트(HTML) 65 Page - Raspberry Pi Holdings PLC |
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65 / 98 page ![]() 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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