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Program Sabuk Pintar.ino

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+#include <WiFi.h>
+#include <WiFiClientSecure.h>
+#include <UniversalTelegramBot.h>
+#include <ArduinoJson.h>
+
+const char* ssid = "ragamulya";
+const char* password = "ragamulyapratama";
+
+// inisialisasi Bot Token
+#define BOTtoken "7067525572:AAHYFVB9PzGCGuB07TteNHDprgCt1yNI8SI"  // Bot Token dari BotFather
+
+// chat id dari @myidbot
+#define CHAT_ID "6288849710"
+
+WiFiClientSecure client;
+UniversalTelegramBot bot(BOTtoken, client);
+
+int botRequestDelay = 100;
+unsigned long lastTimeBotRan;
+
+#include <TinyGPS++.h>
+#include <HardwareSerial.h>
+
+HardwareSerial GPSSerial(1);
+TinyGPSPlus gps;
+
+// Inisialisasi pin buzzer
+const int buzzerPin = 23;
+// Inisialisasi pin push button
+const int buttonPin = 26;
+bool buttonState = false;
+bool lastButtonState = false;
+
+// Variabel untuk menyimpan histori lokasi
+String locationHistory[5];
+int historyIndex = 0;
+
+void handleNewMessages(int numNewMessages) {
+  Serial.println("handleNewMessages");
+  Serial.println(String(numNewMessages));
+
+  for (int i=0; i<numNewMessages; i++) {
+    String chat_id = String(bot.messages[i].chat_id);
+    if (chat_id != CHAT_ID){
+      bot.sendMessage(chat_id, "Unauthorized user", "");
+      continue;
+    }
+    String text = bot.messages[i].text;
+    Serial.println(text);
+
+    String from_name = bot.messages[i].from_name;
+    while(GPSSerial.available()) {
+    gps.encode(GPSSerial.read());
+  }
+   if (gps.charsProcessed() > 10) {
+    float currentLat = gps.location.lat();
+    float currentLng = gps.location.lng();
+
+    if (text == "/start") {
+      String control = "Selamat Datang, " + from_name + ".\n";
+      control += "Gunakan Commands Di Bawah Untuk Mengetahui Lokasi Anak \n\n";
+      control += "/start Untuk Memulai \n";
+      control += "/lokasi Untuk Mengetahui lokasi saat ini \n";
+      control += "/buzzer Untuk Menyalakan Buzzer\n";
+      control += "/matikan Untuk Mematikan Buzzer\n";
+      control += "/history Untuk Melihat 5 Histori Terakhir\n";
+      bot.sendMessage(chat_id, control, "");
+    }
+      
+    if (text == "/lokasi"){
+      String lokasi = "lokasi : https://www.google.com/maps/place/";
+      lokasi +=String(currentLat,6);
+      lokasi +=",";
+      lokasi +=String(currentLng,6);
+      bot.sendMessage(chat_id, lokasi, "");
+
+      // Menyimpan lokasi ke dalam histori
+      locationHistory[historyIndex] = lokasi;
+      historyIndex = (historyIndex + 1) % 5;
+    }  
+
+    // Menyalakan buzzer saat menerima pesan /buzzer
+    if (text == "/buzzer") {
+      digitalWrite(buzzerPin, HIGH);
+      bot.sendMessage(chat_id, "Buzzer telah dinyalakan.", "");
+    }
+    
+    // Mematikan buzzer saat menerima pesan /matikan
+    if (text == "/matikan") {
+      digitalWrite(buzzerPin, LOW);
+      bot.sendMessage(chat_id, "Buzzer telah dimatikan.", "");
+    }
+
+    // Mengirimkan histori lokasi saat menerima pesan /history
+    if (text == "/history") {
+      String historyMsg = "Histori Lokasi:\n";
+      for (int i = 0; i < 5; i++) {
+        if (locationHistory[i] != "") {
+          historyMsg += String(i + 1) + ". " + locationHistory[i] + "\n";
+        }
+      }
+      bot.sendMessage(chat_id, historyMsg, "");
+    }
+   }
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(buzzerPin, OUTPUT); // Mengatur pin buzzer sebagai output
+  pinMode(buttonPin, INPUT_PULLUP); // Mengatur pin push button sebagai input dengan resistor pull-up internal
+  GPSSerial.begin(9600, SERIAL_8N1, 16, 17);
+  // Koneksi Ke Wifi
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  #ifdef ESP32
+    client.setCACert(TELEGRAM_CERTIFICATE_ROOT);
+  #endif
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.println("Connecting to WiFi..");
+  }
+  // Print ESP32 Local IP Address
+  Serial.println(WiFi.localIP());
+}
+
+void loop() {
+  // Membaca status tombol tekan
+  buttonState = digitalRead(buttonPin);
+  
+  // Jika tombol tekan ditekan (LOW) dan status sebelumnya HIGH
+  if (buttonState == LOW && lastButtonState == HIGH) {
+    sendLocation();
+    delay(2000); // Debouncing delay
+  }
+  
+  lastButtonState = buttonState;
+
+  if (millis() > lastTimeBotRan + botRequestDelay)  {
+    int numNewMessages = bot.getUpdates(bot.last_message_received + 1);
+
+    while(numNewMessages) {
+      Serial.println("got response");
+      handleNewMessages(numNewMessages);
+      numNewMessages = bot.getUpdates(bot.last_message_received + 1);
+    }
+    lastTimeBotRan = millis();
+  }
+}
+
+void sendLocation() {
+  float currentLat = gps.location.lat();
+  float currentLng = gps.location.lng();
+  String lokasi = "Lokasi : https://www.google.com/maps/place/";
+  lokasi +=String(currentLat,6);
+  lokasi +=",";
+  lokasi +=String(currentLng,6);
+  bot.sendMessage(CHAT_ID, lokasi, "");
+
+  // Menyimpan lokasi ke dalam histori
+  locationHistory[historyIndex] = lokasi;
+  historyIndex = (historyIndex + 1) % 5;
+}