#include <DHT.h>
#include <LiquidCrystal_I2C.h>
const int triggerPin = 12;
const int echoPin = 14;
const int dhtPin = 27;
DHT dht(dhtPin, DHT22);
LiquidCrystal_I2C lcd(0x27, 20, 4);
void setup() {
  Serial.begin(115200);
  pinMode(triggerPin, OUTPUT);
  pinMode(echoPin, INPUT_PULLUP);
  lcd.init();
  lcd.backlight();
  lcd.print("Serialcounter Example");
  delay(2000);
  dht.begin();
  
}
void loop() {

  delay(2000);

  float humidity=dht.readHumidity();
  float temperature = dht.readTemperature();
  digitalWrite(triggerPin, LOW);
  delayMicroseconds(2);
  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin, LOW);
  float duration = pulseIn(echoPin, HIGH);
  float distance = duration * 0.034 / 2;

  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Humidity : "+String(humidity));
  lcd.setCursor(0,1);
  lcd.print("Temperature : "+String(temperature)); //(char)223 = degree symbol
  lcd.setCursor(0,2);
  lcd.print("Duration: " + String(duration));
  lcd.setCursor(0,3);
  lcd.print("Distance: " + String(distance,0) + "cm");
  delay(1000);


}