#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h> // Tambahkan pustaka ArduinoJSON

const char* ssid = "Wokwi-GUEST";
const char* password = "";

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

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi..");
  }

  Serial.println("Connected to WiFi");
}

void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    DynamicJsonDocument doc(200); // Buat objek JSON

    // Tambahkan data ke objek JSON
    doc["suhu"] = 40;

    // Buat string JSON dari objek JSON
    String jsonString;
    serializeJson(doc, jsonString);

    HTTPClient http;

    http.begin("https://api.thingspeak.com/update?api_key=BTGZHXSUYP61QA8J&field1=0"); // Ganti dengan alamat IP server Anda
    http.addHeader("Content-Type", "application/json");

    int httpResponseCode = http.POST(jsonString);

    if (httpResponseCode > 0) {
      String response = http.getString();
      Serial.println(httpResponseCode);
      Serial.println(response);
    } else {
      Serial.println("Error on sending POST request");
    }

    http.end();
  }

  delay(5000);
}