uhrbeispiel

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

#define PIN 13
#define BLUE strip.Color(0,0,255)
#define BLACK strip.Color(0,0,0)
#define GREEN strip.Color(0,255,0)
#define RED strip.Color(255,0,0)
#define WHITE strip.Color(255,255,255)
#define PIXELOFFSET 6

Adafruit_NeoPixel strip = Adafruit_NeoPixel(12, PIN, NEO_GRB + NEO_KHZ800);



void setup() {
  // put your setup code here, to run once:
  strip.begin();
  strip.show();

}


void loop() {
  // put your min code here, to run repeatedly:
  //strip.setPixelColor(6, BLUE);
  //strip.show();
  
  delay(3000);
  for (int i=0; i<24; i++) {
    for (int j=0; j<60; j++) {
      for (int k=0; k<60; k++){
      setClock(i, j, k);
      delay(10);
      }
    }
  }
}


void setClock (int hour, int minute, int sec) {
  for(int i=0; i<12; i++){
      strip.setPixelColor(i, BLACK);
  }
  strip.setPixelColor((sec/5+PIXELOFFSET)%12, RED);
  strip.setPixelColor((minute/5+PIXELOFFSET)%12, BLUE);
  strip.setPixelColor((hour+PIXELOFFSET)%12, WHITE);
  strip.show();
 
}