//Tech Trends Shameer
//Temperature Monitor Using DS18B20 Sensor with ESP32

#define BLYNK_TEMPLATE_ID "TMPL6QhPdO-v-"
#define BLYNK_TEMPLATE_NAME "Quickstart Template"
#define BLYNK_AUTH_TOKEN "u8GnJkG0vToDPkvjFw7tQl4GyPkNtBtc"

#define BLYNK_PRINT Serial
#include <WiFi.h>  // Pustaka untuk ESP32
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>  // Pustaka Blynk untuk ESP32
#include <OneWire.h>
#include <DallasTemperature.h>

#define DS18B20_PIN 12 // Connect to GPIO4 pin on ESP32
OneWire ourWire(DS18B20_PIN);
DallasTemperature sensor(&ourWire);

char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST"; // Masukkan nama wifi Anda
char pass[] = ""; // Masukkan kata sandi wifi Anda

BlynkTimer timer;

void sendSensor()
{
  // Request temperature to all devices on the data line
  sensor.requestTemperatures();

  Serial.print("Celsius temperature: ");
  // We can connect more than one IC on the same data wire. 0 refers to the first IC on the wire
  Serial.print(sensor.getTempCByIndex(0));
  Serial.print(" - Fahrenheit temperature: ");
  Serial.println(sensor.getTempFByIndex(0));
  float tempC = sensor.getTempCByIndex(0);
  float tempF = sensor.getTempFByIndex(0);
  delay(1000);

  // You can send any value at any time.
  // Please don't send more than 10 values per second.
  Blynk.virtualWrite(V0, tempC);
  Blynk.virtualWrite(V1, tempF);
  delay(500);
}

void setup()
{
  Serial.begin(9600);
  sensor.begin();

  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, sendSensor); // Ubah interval menjadi 1000ms (1 detik) untuk menghindari batasan per detik.

}

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