Created
November 18, 2016 16:12
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// NeoPixel Ring simple sketch (c) 2013 Shae Erisson | |
// released under the GPLv3 license to match the rest of the AdaFruit NeoPixel library | |
#include <Adafruit_NeoPixel.h> // this is a library that you need to include | |
#ifdef __AVR__ | |
#include <avr/power.h> | |
#endif | |
// Which pin on the Arduino is connected to the NeoPixels? | |
// On a Trinket or Gemma we suggest changing this to 1 | |
#define PIN 6 | |
// How many NeoPixels are attached to the Arduino? | |
#define NUMPIXELS 16 | |
// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals. | |
// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest | |
// example for more information on possible values. | |
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800); | |
int delayval = 500; // delay for half a second | |
void setup() { | |
// This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket | |
#if defined (__AVR_ATtiny85__) | |
if (F_CPU == 16000000) clock_prescale_set(clock_div_1); | |
#endif | |
// End of trinket special code | |
pixels.begin(); // This initializes the NeoPixel library. | |
} | |
void loop() { | |
// For a set of NeoPixels the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one. | |
for(int i=0;i<NUMPIXELS;i++){ | |
// pixels.Color takes RGB values, from 0,0,0 up to 255,255,255 | |
pixels.setPixelColor(i, pixels.Color(0,150,0)); // Moderately bright green color. | |
pixels.show(); // This sends the updated pixel color to the hardware. | |
delay(delayval); // Delay for a period of time (in milliseconds). | |
} | |
} |
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