#include <OneWire.h>
#include <DallasTemperature.h>
#include <WiFi.h>

#define ONE_WIRE_BUS 4
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

const char* ssid = " Divyansh Mishra_5G";
const char* password = "23702357";

const char* host = "api.thingspeak.com";
const char* apiKey = "GDL8JP30ZB10HS4M";

void setup() {
  Serial.begin(115200);
  sensors.begin();

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");
}

void loop() {
  sensors.requestTemperatures();
  float temperature = sensors.getTempCByIndex(0);

  if (isnan(temperature)) {
    Serial.println("Failed to read from DS18B20 sensor!");
    return;
  }

  WiFiClient client;
  if (client.connect(host, 80)) {
    String url = "/update?api_key=";
    url += apiKey;
    url += "&field1=";
    url += temperature;

    client.print(String("GET ") + url + " HTTP/1.1\r\n" +
                 "Host: " + host + "\r\n" +
                 "Connection: close\r\n\r\n");
    delay(10);
  }
  client.stop();

  delay(10000); // Send data every 10 seconds
}