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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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WS2812 데이터시트(PDF) 76 Page - Raspberry Pi Holdings PLC |
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WS2812 데이터시트(HTML) 76 Page - Raspberry Pi Holdings PLC |
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76 / 98 page  That won’t do. Now what? Because NeoPixels use a fixed-frequency clock, options are limited. You can’t switch out for a faster microcontroller and expect substantially different results. One option is to use a different LED type, such as our DotStar or LPD8806 strips, or WS2801 pixels. These can be driven at higher data rates, though they do have some other tradeoffs with respect to NeoPixels (cost, color resolution and/or pixel density). Another is to develop your own code on a more capable microcontroller or an FPGA that drives multiple NeoPixel strips in parallel. One such project — OctoWS2811 for the Teensy 3 microcontroller — is shown later. This sort of thing is a complex undertaking and not recommended for beginners. And even among more experienced programmers, there’s often an unreasonable over-emphasis on data rates when the real bottlenecks lie elsewhere…don’t dwell on this too much unless you can confirm it’s the root of the problem. © Adafruit Industries https://learn.adafruit.com/adafruit-neopixel-uberguide Page 79 of 101 |
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