// https://www.reddit.com/r/FastLED/comments/16rmd6y/looking_for_help_by_a_pro_to_find_my_issue/

#include <FastLED.h>

#define NUM_LEDS_PER_STRIP 22

CRGB leds_1[NUM_LEDS_PER_STRIP];
CRGB leds_2[NUM_LEDS_PER_STRIP];

unsigned long myTime;

int a=0;
int b=0;

void setup() {
  Serial.begin(9600);
  // tell FastLED there's 22 NEOPIXEL leds on pin 5
  FastLED.addLeds<NEOPIXEL, 5>(leds_1, NUM_LEDS_PER_STRIP);
  // tell FastLED there's 22 NEOPIXEL leds on pin 6
  FastLED.addLeds<NEOPIXEL, 6>(leds_2, NUM_LEDS_PER_STRIP);
  
  FastLED.setBrightness(250);
}

void loop() 
{
 Serial.print("Time: ");
  myTime = millis();
  Serial.println(myTime);// Gibt die Zeit seit dem Programmstart aus
  
  delay(250);         // Eine Sekunde warten, um keine riesigen Datenmengen zu senden

  if(myTime>1000)
  {
   safe_pixel(leds_1, a-1, CRGB( 0, 0, 0));
   safe_pixel(leds_1, a+0, CRGB( 150, 0, 0)); 
   safe_pixel(leds_1, a+1, CRGB( 0, 0, 0));
   Serial.println("Test1");
   FastLED.show(); 
   
   a++;
   Serial.print("a:");
   Serial.println(a);
   }

  if(myTime>1000)
  {
   safe_pixel(leds_2, b-1, CRGB( 0, 0, 0));
   safe_pixel(leds_2, b+0, CRGB( 0, 150, 0)); 
   safe_pixel(leds_2, b+1, CRGB( 0, 0, 0));
   Serial.println("Test2");
   FastLED.show(); 
   
   b++;
   Serial.print("b:");
   Serial.println(b);
   }
}

// Write a colour to the given offset on the strip, but
// only if the offset is within the bounds of the strip.
void safe_pixel(CRGB* strip, int offset, CRGB colour) {
  if (offset < 0 || offset >= NUM_LEDS_PER_STRIP) {
    return;
  }
  strip[offset] = colour;
}