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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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WS2812 데이터시트(PDF) 69 Page - Raspberry Pi Holdings PLC |
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WS2812 데이터시트(HTML) 69 Page - Raspberry Pi Holdings PLC |
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69 / 98 page  The last argument is exactly the same as with the NeoPixel library, indicating the type of LED pixels being used. In the majority of cases with the latest NeoPixel products, you can simply leave this argument off…the example code is just being extra descriptive. The point of this setup is that the rest of the sketch never needs to think about the layout of the matrix. Coordinate (0,0) for drawing graphics will always be at the top-left, regardless of the actual position of the first NeoPixel. Why not just use the rotation feature in Adafruit_GFX? Adafruit_GFX only handles rotation. Though it would handle our example above, it doesn’t cover every permutation of rotation and mirroring that may occur with certain matrix layouts, not to mention the zig-zag capability, or this next bit… © Adafruit Industries https://learn.adafruit.com/adafruit-neopixel-uberguide Page 72 of 101 |
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