The FastLED Cookbook provides practical guides, step-by-step examples, and copy-paste recipes to help you create stunning LED effects - from your first blink to advanced animations. src/README.md ...
int32_t i = (x * NEOPIXEL_HEIGHT) + y; // vertical strip start from left top // int32_t i = (x * NEOPIXEL_HEIGHT) + ((x % 2) ? y : (NEOPIXEL_HEIGHT - y - 1 ...
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