#define BLYNK_TEMPLATE_ID "TMPL6Ye-VoLgA"
#define BLYNK_TEMPLATE_NAME "Project 1 Smart Farm"
#define BLYNK_AUTH_TOKEN "PNW8NeWj22Q1tPFsfgQlUnLB9jN6r4H5"


#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

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


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

int state = LOW;
int value;
int value1;

BLYNK_WRITE(V1)
{
  value = param.asInt();
  state = value;
  Blynk.virtualWrite(V0, value);
}
BLYNK_WRITE(V6)
{
  value1 = param.asInt();
  digitalWrite(5,value1);
  Blynk.virtualWrite(V5, value1);
}

void setup()
{

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Connecting to WiFi");
  WiFi.begin("Wokwi-GUEST", "");
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    lcd.setCursor(0, 1);
    lcd.print(".");
  }
  lcd.setCursor(0, 1);
  lcd.print("IP ADD: ");
 // lcd.setCursor(0, 1);
  lcd.print(WiFi.localIP());

  pinMode(2, OUTPUT);
  pinMode(19, INPUT_PULLUP);
  pinMode(5, OUTPUT);
  
  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);
    Blynk.virtualWrite(V1, state);
    delay(1000);
  }

  digitalWrite(2, state);

  int h = dht.readHumidity();
  int t = dht.readTemperature();
  lcd.setCursor(0, 3);
  lcd.print("Hum : ");
  lcd.print(h);
  lcd.setCursor(0, 2);
  lcd.print("Temp : ");
  lcd.print(t);

  Blynk.virtualWrite(V3,h);
  Blynk.virtualWrite(V2,t);

}//end loop