//#define BLYNK_TEMPLATE_ID           "TMPL6sDTTYPAt"
//#define BLYNK_TEMPLATE_NAME         "Quickstart Template"
//#define BLYNK_AUTH_TOKEN            "B0WUJJdaGIjZLUPbQlSeuuKXjk9xMZJI"

#define BLYNK_TEMPLATE_ID "TMPL6Q9XFzCVB"
#define BLYNK_TEMPLATE_NAME "Project 1 LED"
#define BLYNK_AUTH_TOKEN "s7RW2skRz-L_4bOi-ddJ1s1ETZ3cEkFA"

#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4);
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

int state = LOW;
int value;

BLYNK_WRITE(V1)
{
  value = param.asInt();
digitalWrite(2,value);
delay (500);
 

 
  Blynk.virtualWrite(V0, value);
}

void setup()
{
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Connecting to WiFi");
  //Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    lcd.setCursor(0,1);
    lcd.print(".");
  }
  lcd.setCursor(0,2);
    lcd.println(" Connected!");
    lcd.setCursor(0,3);
    lcd.println(WiFi.localIP());
Serial.begin(115200);
pinMode(2, OUTPUT);
pinMode(19, INPUT_PULLUP);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
 
}

void loop()  // การกดปุ่ม 
{
  Blynk.run();
 int val = digitalRead(19);
 delay(50);

 if (val == 0 ) {
  state = !state;
   digitalWrite(2, state);
 Blynk.virtualWrite(V0, state); //ส่งค่าจากโปรแกรม Wokwi ขึ้นไป Blynk (Cloud)
 delay (500);
 }
 
}