23 lines
475 B
Arduino
23 lines
475 B
Arduino
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#include <FastLED.h>
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#define NUM_LEDS 40
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CRGBArray<NUM_LEDS> leds;
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void setup() { FastLED.addLeds<NEOPIXEL,6>(leds, NUM_LEDS); }
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void loop(){
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static uint8_t hue;
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for(int i = 0; i < NUM_LEDS/2; i++) {
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// fade everything out
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leds.fadeToBlackBy(40);
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// let's set an led value
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leds[i] = CHSV(hue++,255,255);
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// now, let's first 20 leds to the top 20 leds,
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leds(NUM_LEDS/2,NUM_LEDS-1) = leds(NUM_LEDS/2 - 1 ,0);
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FastLED.delay(33);
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}
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}
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