/ TEST KOD FOR RELAKORT, KOR LOOP MED 0,5sec FORDROJNING
  MELLAN RELA TILL/FRAN SLAG
/*
 The Relay shield uses Digital output as follows.
 Relay1 = D7
 Relay2 = D6
 Relay3 = D5
 Relay4 = D4 
 (c)G.L. 2016.01.23
 */

int Relay1 = 7;
int Relay2 = 6;
int Relay3 = 5;
int Relay4 = 4;

void setup()
{
	pinMode(Relay1, OUTPUT);
	pinMode(Relay2, OUTPUT);
	pinMode(Relay3, OUTPUT);
	pinMode(Relay4, OUTPUT);
}

void loop()
{
	digitalWrite(Relay1, HIGH);
	delay(500);
	digitalWrite(Relay1, LOW);
	delay(500);
	digitalWrite(Relay2, HIGH);
	delay(500);
	digitalWrite(Relay2, LOW);
	delay(500);
	digitalWrite(Relay3, HIGH);
	delay(500);
	digitalWrite(Relay3, LOW);
	delay(500);
	digitalWrite(Relay4, HIGH);
	delay(500);
	digitalWrite(Relay4, LOW);
	delay(500);
}