Engine oil monitoring system on motorbikes

#include <GDBStub.h>

include <ESP8266WiFi.h>
include <ESP8266WiFiMulti.h>
include <ESP8266HTTPClient.h>
include <WiFiClient.h>
ESP8266WiFiMulti WiFiMulti; boolean connectionWasAlive = true; char ssid[] = "ISTANA_BONEKA"; char pass[] = "terminal";

include <Arduino.h>
include <ArduinoJson.h>

include <Wire.h>
include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2); int data; int kmSekarang; int kmAkhir; int kmService; int serviceTime = 5000; String datas; String url; String payload; String payload2; String dataIsi; bool pertama = true; const char *host = "http://reminder.96.lt/ambilData.php";

void setup() {
{
   Wire.begin(D4,D3);
   Serial.begin(115200);
   pinMode(A0,INPUT);
   lcd.init();
   lcd.backlight();
   lcd.setCursor(0,0);
   lcd.print("Reminder Oli SM");
   lcd.setCursor(1,0);
   lcd.print("");
   delay(500);
   }
 {
 Serial.begin(115200);
 delay(10);
 Serial.println();
 Serial.print("Menghubungkan WiFi = ");
 Serial.println(ssid);
 WiFi.begin(ssid, pass);
 while (WiFi.status() != WL_CONNECTED)
 {
   delay(500);
   Serial.print(".");
   }
 Serial.println("");
 Serial.println("WiFi Terhubung");
 Serial.println("=============================================");
 }
 {
   Serial.println("Mengambil Data Dari Server");
   {
     url = "http://reminder.96.lt/ambilData.php";
     Serial.println(url);
     }
     HTTPClient http;
     Serial.print("[HTTP] begin...\n");
     http.begin(url);
     Serial.print("[HTTP] GET...\n");
     int httpCode = http.GET();
     if (httpCode > 0)
     {
       Serial.printf("[HTTP] GET... code: %d\n", httpCode);
       if (httpCode == HTTP_CODE_OK)
       {
         const size_t capacity = JSON_OBJECT_SIZE(3) + JSON_ARRAY_SIZE(2) + 88;
         DynamicJsonBuffer jsonBuffer(capacity);
         payload2 = http.getString();
         JsonObject& root = jsonBuffer.parseObject(payload2);
         if (!root.success())
         {
           Serial.println(F("Parsing failed!"));
           return;
           }
           Serial.print("KM Awal = ");
           Serial.println(root["data"][0]["
kmAwal"].as<char*>());
           Serial.println("=============================================");
           Serial.println();
         }
         else
         {
           Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
           }
       }
       http.end();
 }

}

void loop() {
{
   int dataCetak = ambildataSensor();
   Serial.flush();
   kmSekarang =  dataCetak;
   kmService += kmSekarang;
   Serial.println(kmService);
   if(kmService > serviceTime)
   {
     Serial.println("Waktunya Service");
     lcd.clear();
     lcd.setCursor(0,0);
     lcd.print("Service Time");
     serviceTime += 5000;
     lcd.clear();
     lcd.print("Service:");
     lcd.setCursor(10,0);
     lcd.print(serviceTime);
     }
     else
     {
       lcd.setCursor(0,1);
       lcd.print("Km:");
       lcd.setCursor(4,1);
       lcd.print(kmService);
       }
       datas = String(ambildataSensor());
       tulisDataSdCard(datas);
       delay(1000);
       httpGet();
       delay(1000); 
  }

}

void httpGet() {
{
   Serial.println("Mengirim Data Ke Server");
   String noPol= "b2525via";
   int dataSensor = ambildataSensor();
   if (pertama)
   {
     url = "http://reminder.96.lt/pertama.php?no=b2525via";
     pertama = false;
     Serial.println(url);
     }
     else
     {
     url = "http://reminder.96.lt/SETTER2.php?km="+String(kmService);
     Serial.println (url);
     String urlPlat = "&no="+noPol;
     }
     HTTPClient http;
     Serial.print("[HTTP] begin...\n");
     http.begin(url);
     Serial.print("[HTTP] GET...\n");
     int httpCode = http.GET();
     if (httpCode > 0)
     {
       Serial.printf("[HTTP] GET... code: %d\n", httpCode);
       if (httpCode == HTTP_CODE_OK)
       {
         payload = http.getString();
         Serial.println(payload);
         Serial.println("=============================================");
         Serial.println();
         }
         else
         {
           Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
           }
       }
       http.end();
    }
    delay(1000);

}

int ambildataSensor() {
Serial.println("Mengambil Data Sensor Jarak Tempuh/Jam");
 int dataKmRata2 = 0;
 for(int i = 0 ;i < 100;i++)
 {
   int data = analogRead(A0);
   int dataDalamKm = map(data,100,1024,0,120);
   dataKmRata2 += dataDalamKm;
   delay(10);
   }
   if(dataKmRata2/100 <= 0 || dataKmRata2/100 >= 120)
   {
     Serial.println("Rata-Rata Data Sensor = 0 ");
     Serial.println("=============================================");
     return 0;
     }
     else
     {
       Serial.println("Rata-Rata Data Sensor = "+String(dataKmRata2/100));
       Serial.println("=============================================");
       return dataKmRata2/100+200;
       }
       delay(1000);

}