#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6StTbHCD4"
#define BLYNK_TEMPLATE_NAME "Sensor ntc"

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


const int NTC_PIN = 15;
const int LED_PIN = 13;
const float BETA = 3950;


char auth[] = "LvnhB9aaW_uQRpwZj31Cl05TeIVTcEf1";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;


void setup() {
  Serial.begin(9600);
  
  pinMode(NTC_PIN,INPUT);
  pinMode(LED_PIN,OUTPUT);

  Blynk.begin(auth, ssid, pass);
  
}
void loop() {

  Blynk.run();
  timer.run();

  int analogValue = analogRead(15);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperature: ");
  Serial.print(celsius);
  Serial.println(" ℃");
  if(celsius>=35){
    digitalWrite(13, HIGH); 
  }else{
    digitalWrite(13, LOW);
  }
  Blynk.virtualWrite (V0, celsius);
  delay(1000);
}