#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT22
LiquidCrystal_I2C lcd(0x27,16,2);
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  lcd.init();
  lcd.setCursor(0,0);
 
  Serial.begin(9600);
  dht.begin();

  pinMode(5, INPUT_PULLUP);
  pinMode(6, INPUT_PULLUP); 
}

void loop() {
  float temperatureC = dht.readTemperature();
  float temperatureF = dht.readTemperature(true);

  int switch1 = digitalRead(5);
  int switch2 = digitalRead(6);
    Serial.println(switch1);
    Serial.println(switch2);
    //lcd.blacklight(255);


  if(switch1 == LOW){
    Serial.print("Temp:Celsuis");
    Serial.print("Temperature: ");
    Serial.print(temperatureC);
    Serial.println(" C");
    lcd.clear();
    lcd.print(temperatureC);

  }
  else if(switch2==LOW){
    Serial.print("Temp:Fahrenheit");
    Serial.print("Temperature: ");
    Serial.print(temperatureF);
    Serial.println(" F"); 
    lcd.print(temperatureC);

    lcd.clear();
    lcd.print(temperatureF);
  }
  delay(100);
}