#include <DHT.h>
#include "WiFi.h"
#include <LiquidCrystal_I2C.h>
const char* ssid = "Wokwi-GUEST";
int channel = 6;
const char* password = "";
const int dhtPin = 14;
const int triggerPin = 12;
const int echoPin = 27;
DHT dht(dhtPin, DHT22);
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {

  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  lcd.begin(20, 4);
  dht.begin();
  pinMode(triggerPin, OUTPUT);
  pinMode(echoPin, INPUT_PULLUP);
  WiFi.begin(ssid, password, channel);
  while (WiFi.status() != WL_CONNECTED)
  {
    lcd.setCursor(0,0);
    Serial.println("Try to connect wifi");
    lcd.println("Try to connect wifi");
  }
  lcd.clear();
  Serial.print("wifi connected");
  /*localip=WiFi.localIP();
  Serial.println(localip);*/
  lcd.setCursor(0,0);
  lcd.println("Connected to wifi");
  lcd.setCursor(0,1);
  lcd.println(WiFi.localIP());
  delay(1000);
}
void loop() {
  lcd.clear();
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  //humidity=humidity/100;
  //temperature=(temperature-32)*(5/9);
  lcd.setCursor(0, 0);
  lcd.print("Humiditiy : " + String(humidity)+"%");
  lcd.setCursor(0, 1);
  lcd.print("Temp  : " + String(temperature)+(char)223+"C");
  Serial.println("Humiditiy : " + String(humidity));
  Serial.println("TEmp is : " + String(temperature));

  //lcd.setCursor(0, 2);
  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.setCursor(0, 2);
  lcd.print("Distance: " + String(distance) + " cm");
  lcd.setCursor(0, 3);
  lcd.print("Distance: " + String(distance / 30.48) + " feet");
  Serial.println("Distance: " + String(distance) + " cm");
  Serial.println("Distance: " + String(distance / 30.48) + " feet");
  delay(1000);
}