33 lines
843 B
C++
33 lines
843 B
C++
// UIDescription: This example shows how to blur a strip of LEDs. It uses the blur1d function to blur the strip and fadeToBlackBy to dim the strip. A bright pixel moves along the strip.
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// Author: Zach Vorhies
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#include <FastLED.h>
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#define NUM_LEDS 64
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#define DATA_PIN 3 // Change this to match your LED strip's data pin
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#define BRIGHTNESS 255
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CRGB leds[NUM_LEDS];
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uint8_t pos = 0;
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bool toggle = false;
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void setup() {
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FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
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FastLED.setBrightness(BRIGHTNESS);
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}
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void loop() {
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// Add a bright pixel that moves
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leds[pos] = CHSV(pos * 2, 255, 255);
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// Blur the entire strip
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blur1d(leds, NUM_LEDS, 172);
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fadeToBlackBy(leds, NUM_LEDS, 16);
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FastLED.show();
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// Move the position of the dot
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if (toggle) {
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pos = (pos + 1) % NUM_LEDS;
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}
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toggle = !toggle;
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delay(20);
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}
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