#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6EgypHU1j"
#define BLYNK_TEMPLATE_NAME "DHT Potentiometer"
#define BLYNK_AUTH_TOKEN "oNjTXHR9Jamm0LyG_MNx36CB7ReUzKBJ"

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


char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define DHTPIN 0 // What digital pin we're connected to
#define analogPin 12  //tesitng using potentionmeter

// Uncomment whatever type you're using!
#define DHTTYPE DHT22 // DHT 11
//#define DHTTYPE DHT22 // DHT 22, AM2302, AM2321
//#define DHTTYPE DHT21 // DHT 21, AM2301

DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;


// reading value from potentiometer at analog pin
void readAnalogPin()
{
  int val = analogRead(analogPin);
  Blynk.virtualWrite(V12, val); // potentiometer value
  Serial.println(val);
}

// This function sends Arduino's up time every second to Virtual Pin (0,1,2,3).
// In the app, Widget's reading frequency should be set to PUSH. This means
// that you define how often to send data to Blynk App.
// Set function calling frequency at timer.setInterval()
void sendSensor()
{
 int h = dht.readHumidity();
 int t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit


 if (isnan(h) || isnan(t)) {
  Serial.println(F("Failed to read from DHT sensor!"));
 return;
 }

 // You can send any value at any time.
 // Please don't send more that 10 values per second.
 Blynk.virtualWrite(V0, h); // Humidity for display
 Blynk.virtualWrite(V1, t); // Temperature for display
 Blynk.virtualWrite(V2, h); // Humidity for gauge
 Blynk.virtualWrite(V3, t); // Temperature for gauge

 //for debugging 
 Serial.println(h);
 Serial.println(t);
}


void setup()
{
  // Setup software serial for debug console
  pinMode(analogPin,INPUT);
  
  Serial.begin(115200);
  
  Blynk.begin(auth, ssid, pass);
  dht.begin();  //setup dht sensor

  // Setup a function to be called every second.
  // Each timer can be use to call multiple functions 
  timer.setInterval(2000L, sendSensor);
  //timer.setInterval(1000L, readAnalogPin);
}

void loop()
{
  Blynk.run();
  timer.run(); // Initiates BlynkTimer
}