Egg Turner

thingiverse

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 } }