#define BLYNK_TEMPLATE_ID "TMPL6AuKqWeu4"
#define BLYNK_TEMPLATE_NAME "project 1 smart farm"
#define BLYNK_AUTH_TOKEN "b8vdSbDcxh2qMZJBpCZ9w6Ivp-aojZ7b"

#include <DHT.h>
#define BLYNK_PRINT Serial

#include <WiFi.h>                 ////wifi ต่อ เล้าเตอ
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4); //////ชืาอจริง ชื่อเล่น
DHT dht(15, DHT22);


char ssid[] = "Wokwi-GUEST";      ///ชื่อwifi
char pass[] = "";

int state = LOW;
int value;

BLYNK_WRITE(V1)                 ///ตัวอ่านค่าของ ESP32
{
  value = param.asInt();    ///กดเป็น 0/1
  state = value;
  // digitalWrite(2,value);
  Blynk.virtualWrite(V0, value);
}
void setup()
{

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Connecting to WiFi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    ///lcd.print(".");
  }
  lcd.setCursor(0, 2);
  lcd.print(" Connected!");
  lcd.setCursor(0, 3);
  lcd.print(WiFi.localIP());

  pinMode(2, OUTPUT);
  pinMode(19, INPUT_PULLUP);

  Serial.begin(115200);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  dht.begin();
}
void loop()
{
  Blynk.run();

  int val = digitalRead(19);
  delay(50);
  if (val == 0) {
    state = !state;
    Blynk.virtualWrite(V0, state);   ////ยากๆๆๆๆๆ
    delay(1000);
  }

///CC SDA SCL

  digitalWrite(2, state);

  int h = dht.readHumidity();
  int t = dht.readTemperature();
lcd.setCursor(0,1);
lcd.print("Hum: ");
lcd.print(h);
lcd.print("   Temp: ");
lcd.print(t);

 Blynk.virtualWrite(V2, t);
  Blynk.virtualWrite(V3, h);
delay(1000);
}////end loop