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

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

int pirInput = 13;
int pirState = LOW;
int ledPin = 12;
int buzzPin = 14;

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(buzzPin, OUTPUT);
  pinMode(pirInput, INPUT);
  lcd.init();
  Serial.begin(115200);
}

void loop() {
  int val = digitalRead(pirInput);
  if (val == HIGH){
    digitalWrite(ledPin, HIGH);
    tone(buzzPin, 1000);
    lcd.setCursor(0,0);
    lcd.print("Motion Detected!");
    if(pirInput == LOW){
      pirInput = HIGH;
    }
    delay(1000);
    lcd.clear();
  }
  else{
    digitalWrite(ledPin, LOW);
    noTone(buzzPin);
    lcd.setCursor(1,1);
    lcd.print("Motion ended!");
    if(pirInput == HIGH){
      pirInput = LOW;
    }
    delay(1000);
    lcd.clear();
  }
}