/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/

#include "DHTesp.h"
#include "LiquidCrystal_I2C.h"
#include <Wire.h> 
#define PIN_TRIGGER 4
#define PIN_ECHO 2
const int DHT_PIN = 15;
LiquidCrystal_I2C lcd(0x27, 16, 2);



float cm;
float inches;

long readUltrasonicDistance(int triggerPin, int echoPin)
{
  pinMode(triggerPin, OUTPUT);  // Clear the trigger
  digitalWrite(triggerPin, LOW);
  delayMicroseconds(2);
  // Sets the trigger pin to HIGH state for 10 microseconds
  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin, LOW);
  pinMode(echoPin, INPUT);
  // Reads the echo pin, and returns
  // the sound wave travel time in microseconds
  return pulseIn(echoPin, HIGH);
}


DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);


lcd.init();
lcd.backlight();
 

}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  delay(1000);
  cm = 0.0344/2 * readUltrasonicDistance(4, 2);
  inches = (cm / 2.54);
  
  Serial.print("Inches ");
  Serial.print(inches, 1);
  Serial.print("\t");
  Serial.print("cm ");
  Serial.println(cm, 1);
  
  lcd.setCursor(0,0);
  lcd.print("Temp: " + String(data.temperature, 2) + "°C");
  

}