Kód: Vybrať všetko

unsigned long previousMillis = 0;
const long interval = 1000;

void setup() {
  Serial.begin (9600);
}

void loop() {
  unsigned long currentMillis = millis();

  if(currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;

	
    Serial.println (currentMillis);
  }
}

Kód: Vybrať všetko

// t is time in seconds = millis()/1000;
char * TimeToString(unsigned long t)
{
 static char str[12];
 long h = t / 3600;
 t = t % 3600;
 int m = t / 60;
 int s = t % 60;
 sprintf(str, "%04ld:%02d:%02d", h, m, s);
 return str;
}

Kód: Vybrať všetko

unsigned long previousMillis = 0;
const long interval = 1000;
int hodiny;
int minuty;
int sekundy;
int cas;

void setup() {
  Serial.begin (9600);
}

void loop() {
  unsigned long currentMillis = millis();

  if(currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
    
    cas=currentMillis/1000;
	hodiny= cas/3600;
    cas= cas%3600;
    minuty = cas/60;
    sekundy = cas%60;
    
    Serial.println(sekundy);
    Serial.println(minuty);
    Serial.println(hodiny);

  }
}