#include <SoftwareSerial.h>
#include <Wire.h>

#define BLYNK_TEMPLATE_ID "TMPL37IJF_aXY"
#define BLYNK_TEMPLATE_NAME "pro"
#define BLYNK_AUTH_TOKEN "ouLl5TrL10cmysAKQlclzzG69EHa48Lc"

#define BLYNK_PRINT Serial

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

#define DHT_PIN 27         // Pin connected to the DHT sensor
#define DHT_TYPE DHT22      // Type of DHT sensor (DHT11, DHT21, DHT22)

char auth[] = "ouLl5TrL10cmysAKQlclzzG69EHa48Lc";  // Your Blynk authentication token
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

DHT dht(DHT_PIN, DHT_TYPE);

void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  dht.begin();
}

void loop() {
  Blynk.run();
  float pH;
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  byte val1, val2, val3;
  float moisture;
  val1 = random(0, 350); 
  delay(250);
  val2 = random(0, 350); 
  delay(250);
  val3 = random(0, 330);
  delay(250);
  pH = (float)(rand() % 140) / 10.0;
  delay(250);
  moisture = rand() % 101;
  delay(250);



 if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
  } else {
    Serial.print("Temperature: ");
    Serial.print(temperature);
    Serial.println(" °C");
    Serial.print("Humidity: ");
    Serial.print(humidity);
    Serial.println(" %");
    Blynk.virtualWrite(V1, temperature);
    Blynk.virtualWrite(V2, humidity);
  }

  Serial.print("Nitrogen: ");
  Serial.print(val1);
  Serial.println(" mg/kg");
  Serial.print("Phosphorous: ");
  Serial.print(val2);
  Serial.println(" mg/kg");
  Serial.print("Potassium: ");
  Serial.print(val3);
  Serial.println(" mg/kg");
  Serial.print("PH value: ");
  Serial.print(pH);
  Serial.print("\nmoisture content:");
  Serial.print(moisture);
  Serial.println("%");

  delay(10000);
  Blynk.virtualWrite(V3, val1);
  Blynk.virtualWrite(V4, val2);
  Blynk.virtualWrite(V5, val3);
  Blynk.virtualWrite(V6, pH);

  
   
  
  
}