ChickenIncubatorCode.txt

//The Chicken Incubator Code 

#include "DHT.h"
#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2); 
//Alternatively, sainsmart backlit LCD with button shield uses these pins:
//LiquidCrystal lcd(8, 13, 9, 4, 5, 6, 7);

#define DHTPIN A2   // what pin we're connected to
#define RELAY 7
// Uncomment whatever type you're using!

#define DHTTYPE DHT11   // DHT 22  (AM2302)
//

// Connect pin 1 (on the left) of the sensor to +5V
// Connect pin 2 of the sensor to whatever your DHTPIN is
// Connect pin 4 (on the right) of the sensor to GROUND
// Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor
// This is what I would use, You can choose your own pin

DHT dht(DHTPIN, DHTTYPE);



void setup() {
  pinMode(RELAY, OUTPUT);
  
  lcd.begin(16,2);
  Serial.begin(9600); 
  Serial.println("DHTxx test!");
  
  dht.begin();
}

void loop() {
  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  

  // check if returns are valid, if they are NaN (not a number) then something went wrong!
  if (isnan(t) || isnan(h)) {
    lcd.println("Failed to read from DHT");
  } else {
    lcd.setCursor(0,1);
    lcd.print("Humidity: "); 
    lcd.print(h);
    lcd.print(" %\t");
    lcd.setCursor(1,0);
    lcd.print("Temp: "); 
    lcd.print(t);
    lcd.println("*C ");
       if (t > 37.5)//37.5C = 99.5F for Chickens. Quail, try 38.3C = 101F. Forced air temps should be lower.
  {
    digitalWrite(7,HIGH);
  }
  else
  
  {digitalWrite(7,LOW);
  }
  delay(500);
    
  }
}