Created
December 22, 2014 02:31
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Arduino NeoPixels Animation without using Delay
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| #include <Adafruit_NeoPixel.h> | |
| #define NUM_PIXELS 60 | |
| unsigned long interval=50; // the time we need to wait | |
| unsigned long previousMillis=0; | |
| uint32_t currentColor;// current Color in case we need it | |
| uint16_t currentPixel = 0;// what pixel are we operating on | |
| Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_PIXELS, 6, NEO_GRB + NEO_KHZ800); | |
| void setup() { | |
| currentColor = strip.Color(255,0,0); | |
| currentPixel = 0; | |
| strip.begin(); | |
| strip.show(); // Initialize all pixels to 'off' | |
| } | |
| // Basic idea. You could reorg and pass pixel index and color as a function - or you could go through a gradient of colors. | |
| void loop(){ | |
| if ((unsigned long)(millis() - previousMillis) >= interval) { | |
| previousMillis = millis(); | |
| colorWipe(); | |
| } | |
| } | |
| void colorWipe(){ | |
| strip.setPixelColor(currentPixel,currentColor); | |
| strip.show(); | |
| currentPixel++; | |
| if(currentPixel == NUM_PIXELS){ | |
| currentPixel = 0; | |
| } | |
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An excellent example. How to use this example to smooth off the LEDs?