[ARDUINO] ESP8266-01 IOT EXAMPLE

//sumber :https://www.codepolitan.com/tutorial/belajar-iot-menyalakan-dan-mematikan-lampu-via-internet-menggunakan-agnosthings-dan-wemos-esp8266

#include <ESP8266WiFiMulti.h>
#include <ESP8266HTTPClient.h>

ESP8266WiFiMulti WiFiMulti;

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

  // set Wifi SSID dan passwordnya
  WiFiMulti.addAP("ssid", "password");
}

void pushAction(int var_push) {
  static int var_push2;
  switch (var_push) {
    default:
    Serial.println("entah!");
      break;

    case 1:
      Serial.println("on");
      break;

    case 0:
    Serial.println("off");

      break;

  }
}
void loop()
{
  Serial.println("");
  // tunggu koneksi Wifi
  if ((WiFiMulti.run() == WL_CONNECTED))
  {
    HTTPClient http;
    // siapkan API untuk push data
    // ganti dengan API punyamu
    //String url = "http://app.imzazmi.com/result.php?push=";

    // merge API dengan nilai push
    //String urls = url + valuesend;
    //    String files = "myfile.txt";
    String urls = "http://app.imzazmi.com/myfile.txt";
    //    String urls = hosts + files;

    // panggil API
    http.begin(urls);
    Serial.print("url : "); Serial.println(urls);
    // ambil status HTTP Header
    int httpCode = http.GET();

    // httpCode akan bernilai negatif bila error
    if (httpCode > 0)
    {
      // cetak httpCode ke Serial
      Serial.printf("[HTTP] GET... code: %d\n", httpCode);

      // bila nilai dari server diterima
      if (httpCode == HTTP_CODE_OK)
      {
        // cetak string json dari server
        String json = http.getString();
        Serial.println(json);

        // cek value json
        //if(json == "{\"status\":\"1\",\"code\":200}"){
        if (json == "1") {
          pushAction(1);
          //Serial.println("on");
        } else if (json == "0") {
          pushAction(0);
          //Serial.println("off");
        } else {
          pushAction(12);
          //Serial.println("unknown!");

        }
      }

    } else {
      Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
    }

    // tutup koneksi HTTP
    http.end();
  }
  // beri jeda pengiriman data setiap 10 detik
  delay(1000);
}