#define BLYNK_TEMPLATE_ID "TMPL6K5MmJDbo"
#define BLYNK_TEMPLATE_NAME "Try"
#define BLYNK_AUTH_TOKEN "CIbHU4mW78xVakCikO95STmcCjvjc4r4"
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include<DHTesp.h>
#define relay 18

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


BlynkTimer timer;
DHTesp dht;
TempAndHumidity data;

void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  Serial.println("Smart Irrigation System");
  dht.setup(12,DHTesp::DHT22);
  pinMode(relay, OUTPUT);
  digitalWrite(relay, LOW);
  timer.setInterval(5000L, DHT11sensor);
  }


//Get the button value
BLYNK_WRITE(V0) {
  bool Relay = param.asInt();
  if (Relay == 1) {
  digitalWrite(relay, HIGH);
    Serial.print("Water Pump is ON");
  } else {
  digitalWrite(relay, LOW);
    Serial.println("Water Pump is OFF");
  }
}

void DHT11sensor() {
  // DHT22 to display temperature and humidity
  data = dht.getTempAndHumidity();
  Serial.println("Humidity : " + String(data.humidity) + " %");
  Blynk.virtualWrite(V4, data.humidity);
  Serial.println("Temperature : " + String(data.temperature) + " °C" );
  Blynk.virtualWrite(V5, data.temperature);
}


void loop() {
  Blynk.run();  //Run the Blynk library
  timer.run();  //Run the Blynk timer
  }