#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL4eCXMO2B"
#define BLYNK_DEVICE_NAME "Monitoring Lux"
#define BLYNK_AUTH_TOKEN "5gIpb_AvVG5MmBPSDxdq-jvaAfqlrdi-"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include "DHTesp.h"

const int ledpin = 5;
const int DHT_PIN = 15;
DHTesp dhtSensor;
const float GAMMA = 0.7;
const float RL10 = 50;


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

BlynkTimer timer;

void sendSensor()
{
  int analogValue = analogRead(35);
  float voltage = analogValue * 5/4095.0;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  Serial.print("Lux: ");
  Serial.println(lux);
  Blynk.virtualWrite(V0, lux); 

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  Blynk.virtualWrite(V13, data.temperature); 
  Blynk.virtualWrite(V14, data.humidity);
 
  if (data.temperature >= 30) {
    digitalWrite(ledpin, HIGH);
  } else {
    digitalWrite(ledpin, LOW);
  }
}

void setup()
{
  Serial.begin(115200);
  pinMode(ledpin,OUTPUT);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1L, sendSensor);
}

void loop()
{
  sendSensor();
  Blynk.run();
  timer.run();
}