#include <Wire.h>
#include<LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
int numRows = 4;
int numCols = 16;
#include <Adafruit_Sensor.h>
#include <DHT.h>
#define Type DHT22
#define relayPin3 3
int sensePin = 2;
DHT HT(sensePin, Type);
int humidity;
//float tempC
float tempF;
const int setTime = 50;
const int waitT = 5000;



void setup() {
  Serial.begin(115200);
  lcd.begin(numRows, numCols);
  lcd.clear();
  digitalWrite(relayPin3, OUTPUT);
  pinMode(relayPin3, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  HT.begin();
  delay(setTime);

}

void loop() {

  humidity = HT.readHumidity();
  tempF = HT.readTemperature(true);


  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Room Temp is ");
  lcd.print(tempF);
  lcd.print("F");
  lcd.setCursor(0, 1);

  lcd.print("Humidity  is ");
  lcd.print(humidity);
  lcd.print("%    ");
  lcd.setCursor(0, 3);
  lcd.print("Red alarm at 70F");
  lcd.setCursor(0, 2);
  lcd.print("Yellow warning 65F");

  if (tempF >= 80.01) digitalWrite(11, HIGH);
  else digitalWrite(11, LOW);

  if ((tempF >= 75.01) && (tempF <= 80.00)) digitalWrite(12, HIGH);
  else digitalWrite(12, LOW);

  if (tempF <= 75.00) digitalWrite(13, HIGH);
  else digitalWrite(13, LOW);

  if (tempF >= 75.01) digitalWrite(3, LOW);
  else digitalWrite(3, HIGH);

  delay(waitT); 

}