#include <LiquidCrystal_I2C.h>
#include "DHTesp.h"
//LCD I2C
int lcdColumns = 16;
int lcdRows = 2;
//Ultrasonic
int trigPin = 5;
int echoPin = 18;
#define SOUND_SPEED 0.034
#define CM_TO_INCH 0.393701
long duration;
float distanceCm;
float distanceInch;
//DHT22
const int DHT_PIN = 15;
//LED Status
int ledr = 13;
int ledg = 12;
LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);
DHTesp dhtSensor;
void setup(){
  pinMode(ledr, OUTPUT);
  pinMode(ledg, OUTPUT);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
lcd.init();
lcd.backlight();
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}
void loop(){
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distanceCm = duration * SOUND_SPEED/2;
distanceInch = distanceCm * CM_TO_INCH;
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  int cel = data.temperature;
  lcd.setCursor(0, 0);
lcd.print("Temp: " + String(data.temperature, 2) + "°C");
  delay(2000);
lcd.clear();
lcd.setCursor(0, 1);
lcd.print("Humidity: " + String(data.humidity, 1) + "%");
  delay(2000);
lcd.clear();
  if(cel >= 37)
  {
    digitalWrite(ledr, HIGH);
    digitalWrite(ledg, LOW);


  delay(2000);
  }else{
    digitalWrite(ledr, LOW);
    digitalWrite(ledg, HIGH);
  delay(1000);
  }
  delay(1000);
  lcd.setCursor(0,0);
  lcd.print("Dist(cm): ");
  lcd.println(distanceCm);
  lcd.setCursor(0,1);
  lcd.print("Dist(inch): ");
  lcd.println(distanceInch);
  delay(2000);
  lcd.clear();
}