#define GASVALVE 2
#define CICHAC 3
#define TRIGR 12
#define KOEF 1

void setup()
{
    pinMode(GASVALVE, OUTPUT);
    pinMode(CICHAC, OUTPUT);
    digitalWrite(GASVALVE, HIGH);
    digitalWrite(CICHAC, HIGH);
    digitalWrite(TRIGR, LOW);
    delay(5000/KOEF);  

    // reset cichace (chceme mit od nuloveho casu data z USB)
    digitalWrite(CICHAC, LOW);delay(500);digitalWrite(CICHAC, HIGH); // vypnuti cichace
    delay (3000/KOEF);
    digitalWrite(CICHAC, LOW);delay(500);digitalWrite(CICHAC, HIGH); // zapnuti cichace

    delay(10000/KOEF); // Pockame na ustaleni cichace
    // a vpustime He ...
    digitalWrite(TRIGR, HIGH); delay(100);digitalWrite(TRIGR, LOW);
    delay(500);
    digitalWrite(GASVALVE, LOW); delay(100);digitalWrite(GASVALVE, HIGH);
    
 
}

void loop()
{
}