Egg Turner

const int relayPin = 2; // relay digital signal pin
unsigned int relayState = LOW;
long offTime = 14400000; // 4 hours (1000 = 1 second)
long onTime = 3000; // 3 seconds (1000 = 1 second)
unsigned long previousMillis=0;
void setup() {
// put your setup code here, to run once:
pinMode(relayPin, OUTPUT);
relayState = LOW;
digitalWrite(relayPin, LOW);
}
void loop() {
// put your main code here, to run repeatedly:
long currentMillis = millis();
if ((relayState==HIGH)&&(currentMillis-previousMillis>=offTime))
{
relayState = LOW;// turn it on
previousMillis = currentMillis; // Remember the time
digitalWrite(relayPin, LOW); // Update the actual relay
}
else if((relayState==LOW)&&(currentMillis-previousMillis>=onTime))
{
//digitalWrite(RELAY2, LOW);
relayState=HIGH; // Turn it off
previousMillis = currentMillis; // Remember the time
digitalWrite(relayPin, HIGH); // Update the actual relay
}
}