#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#include <DHT.h>;
int trig = 9;
int echo = 5;
DHT dht(12, DHT22);
int dtim =2000;

 void setup() {
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  dht.begin();
  lcd.init(); 
  lcd.backlight();

}

void loop() {
  float temp = dht.readTemperature();
  float humid  = dht.readHumidity();

  Serial.print("Temperature is ");
  Serial.println(temp);
  Serial.print("Humidity is "); 
  Serial.println(humid);
  delay(250);

  digitalWrite(trig, LOW);
  delayMicroseconds(5);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);

  long time = pulseIn(echo, HIGH);

  float distance = (0.034*time)/2;
  Serial.print("The distance is ");
  Serial.println(distance);
  delay(1000);

  lcd.setCursor(0, 0);
  lcd.print(temp);
  lcd.print(" degrees");
  delay(dtim);

  lcd.setCursor(0, 1);
  lcd.print(humid);
  lcd.print(" %");
  delay(dtim);

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(distance);
  lcd.print(" cm");
  delay(dtim);
  lcd.clear();
  lcd.noDisplay();
}