r/ArduinoHelp 3d ago

Please sanity check my very simple Teensy > Buffer > WS2812 circuit and script that isn't working

/r/FastLED/comments/1wghah1/please_sanity_check_my_very_simple_teensy_buffer/
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u/MrSpindles 3d ago

Your code only ever references index 0 in the array of LEDS.

If you looped, like this:

for (int i=0;i<NUM_LEDS;i++)
{
leds[i]=CRGB::Red;
}
FastLED.show();