#define BLYNK_TEMPLATE_ID "TMPL33zMAePh_"
#define BLYNK_TEMPLATE_NAME "WELCOM HOME"
#define BLYNK_AUTH_TOKEN "rxuFw7uB3bpK1AwZRoQhs-QfHbpgJjp2"
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
char auth[] = "rxuFw7uB3bpK1AwZRoQhs-QfHbpgJjp2";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
const int relayPin = 16;  
bool motorState = false;
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  pinMode(relayPin, OUTPUT);    
  Wire.begin(21, 22);       
  lcd.init();               
  lcd.backlight();   
}
void loop() {
  Blynk.run();
}
BLYNK_WRITE(V0);{  
  int value = param.asInt();
  if (value == 1) {
    digitalWrite(relayPin, HIGH); 
    motorState = true;
    lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("WELCOME HOME");
  } else {
    digitalWrite(relayPin, LOW);  
    motorState = false;
     lcd.setCursor(0, 0);
      lcd.print("");
  }
}