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- #include <Adafruit_NeoPixel.h>
- #define PIN 6
- // Parameter 1 = number of pixels in strip
- // Parameter 2 = pin number (most are valid)
- // Parameter 3 = pixel type flags, add together as needed:
- // NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
- // NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
- // NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
- // NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
- Adafruit_NeoPixel strip = Adafruit_NeoPixel(16, PIN, NEO_GRB + NEO_KHZ800);
- int modePin = A0; //set int for mode select pot
- int brightPin = A1; //set int for brightness select pot
- void setup() {
- strip.begin();
- strip.setBrightness(30); //adjust brightness here
- strip.show(); // Initialize all pixels to 'off'
- }
- void demo() {
- // Some example procedures showing how to display to the pixels:
- colorWipe(strip.Color(255, 0, 0), 50); // Red
- colorWipe(strip.Color(0, 255, 0), 50); // Green
- colorWipe(strip.Color(0, 0, 255), 50); // Blue
- rainbow(16);
- rainbowCycle(16);
- }
- // Fill the dots one after the other with a color
- void colorWipe(uint32_t c, uint8_t wait) {
- for(uint16_t i=0; i<strip.numPixels(); i++) {
- strip.setPixelColor(i, c);
- strip.show();
- delay(wait);
- }
- }
- void rainbow(uint8_t wait) {
- uint16_t i, j;
- for(j=0; j<256; j++) {
- for(i=0; i<strip.numPixels(); i++) {
- strip.setPixelColor(i, Wheel((i+j) & 255));
- }
- strip.show();
- delay(wait);
- }
- }
- // Slightly different, this makes the rainbow equally distributed throughout
- void rainbowCycle(uint8_t wait) {
- uint16_t i, j;
- for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
- for(i=0; i< strip.numPixels(); i++) {
- strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
- }
- strip.show();
- delay(wait);
- }
- }
- // Input a value 0 to 255 to get a color value.
- // The colours are a transition r - g - b - back to r.
- uint32_t Wheel(byte WheelPos) {
- if(WheelPos < 85) {
- return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
- } else if(WheelPos < 170) {
- WheelPos -= 85;
- return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
- } else {
- WheelPos -= 170;
- return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
- }
- }
- void Modeselect() {
- int moderead = analogRead(modePin);
- if (moderead = 0){
- goto demo();
- } if (moderead > 0, moderead < 159){
- goto rainbow();
- } if (moderead > 159) {
- goto rainbowCycle();
- }
- }
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