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ivan48 2026-07-01 11:11:20 +07:00
parent e3ff188623
commit 436ae6bd0c
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ProgramESP_KeamananPintu.ino Normal file
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#include <WiFi.h>
#include <SPI.h>
#include <MFRC522.h>
#include <Firebase_ESP_Client.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
// ================= WIFI =================
#define WIFI_SSID "ivann"
#define WIFI_PASSWORD "12345678"
// ================= FIREBASE =================
#define DATABASE_URL "https://doorguard-7fe8c-default-rtdb.firebaseio.com/"
#define DATABASE_SECRET "wKeZFSXj8cyroV5xnjkMIsefRgSvklLI9dgnnQJW"
// ================= RFID =================
#define SS_PIN 5
#define RST_PIN 4
#define SCK_PIN 18
#define MISO_PIN 19
#define MOSI_PIN 23
// ================= RELAY =================
#define RELAY_PIN 26
// ================= DOOR SENSOR =================
#define DOOR_SENSOR_PIN 27
// ================= EXIT =================
#define EXIT_BUTTON_PIN 32
// ================= LCD =================
#define SDA_LCD 21
#define SCL_LCD 22
// ================= OBJECT =================
MFRC522 rfid(SS_PIN, RST_PIN);
LiquidCrystal_I2C lcd(0x27, 16, 2);
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;
// ================= VARIABLE =================
String uidString = "";
String userName = "";
String lastDoorCommand = "CLOSE";
bool autoCloseActive = false;
unsigned long doorTimer = 0;
unsigned long lastScanTime = 0;
unsigned long lastButtonTime = 0;
bool lastDoorState = false;
// ================= SETUP =================
void setup()
{
Serial.begin(115200);
pinMode(RELAY_PIN, OUTPUT);
digitalWrite(RELAY_PIN, HIGH);
pinMode(DOOR_SENSOR_PIN, INPUT_PULLUP);
pinMode(EXIT_BUTTON_PIN, INPUT_PULLUP);
// LCD Initialization
Wire.begin(SDA_LCD, SCL_LCD);
lcd.init();
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("SMART DOOR LOCK");
lcd.setCursor(0,1);
lcd.print("STARTING...");
delay(2000);
// RFID Initialization
SPI.begin(SCK_PIN, MISO_PIN, MOSI_PIN, SS_PIN);
rfid.PCD_Init();
// WIFI Connection
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
Serial.print("Connecting WiFi");
while (WiFi.status() != WL_CONNECTED)
{
Serial.print(".");
delay(500);
}
Serial.println("\nWiFi Connected");
// FIREBASE Configuration
config.database_url = DATABASE_URL;
config.signer.tokens.legacy_token = DATABASE_SECRET;
Firebase.begin(&config, &auth);
Firebase.reconnectWiFi(true);
Serial.println("Firebase Connected");
// Reset State Awal
Firebase.RTDB.setString(&fbdo, "/rfid/doorControl", "CLOSE");
Firebase.RTDB.setString(&fbdo, "/rfid/status", "IDLE");
Firebase.RTDB.setString(&fbdo, "/rfid/lastScan", "IDLE");
}
// ================= LOOP =================
void loop()
{
handleRemoteControl();
handleRFID();
handleExitButton();
handleDoorSensor();
handleAutoClose();
}
// ================= REMOTE CONTROL =================
void handleRemoteControl()
{
if (Firebase.RTDB.getString(&fbdo, "/rfid/doorControl"))
{
String cmd = fbdo.stringData();
if (cmd != lastDoorCommand)
{
lastDoorCommand = cmd;
if (cmd == "OPEN")
{
lcd.clear();
lcd.setCursor(0,0);
lcd.print("DOOR OPENED");
lcd.setCursor(0,1);
lcd.print("FROM APP");
openDoor(false);
Firebase.RTDB.setString(&fbdo, "/rfid/status", "DOOR OPENED FROM APP");
}
else if (cmd == "CLOSE")
{
lcd.clear();
lcd.setCursor(0,0);
lcd.print("DOOR CLOSED");
lcd.setCursor(0,1);
lcd.print("FROM APP");
closeDoor();
Firebase.RTDB.setString(&fbdo, "/rfid/status", "DOOR CLOSED FROM APP");
}
delay(2000);
}
}
}
// ================= HANDLE RFID =================
void handleRFID()
{
if (millis() - lastScanTime < 1000) return;
if (!rfid.PICC_IsNewCardPresent()) return;
if (!rfid.PICC_ReadCardSerial()) return;
uidString = "";
for (byte i = 0; i < rfid.uid.size; i++)
{
if (rfid.uid.uidByte[i] < 0x10) uidString += "0";
uidString += String(rfid.uid.uidByte[i], HEX);
}
uidString.toLowerCase();
Serial.print("UID Detected: ");
Serial.println(uidString);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("SCANNING CARD...");
lcd.setCursor(0,1);
lcd.print(uidString);
bool access = false;
if (Firebase.RTDB.getBool(&fbdo, "/rfid/cards/" + uidString + "/active"))
{
if (fbdo.boolData()) access = true;
}
if (access)
{
if (Firebase.RTDB.getString(&fbdo, "/rfid/cards/" + uidString + "/name"))
{
userName = fbdo.stringData();
} else {
userName = "User";
}
}
if (access)
{
lcd.clear();
lcd.setCursor(0,0);
lcd.print("ACCESS GRANTED");
lcd.setCursor(0,1);
String displayWelcome = "WELCOME " + userName;
displayWelcome.toUpperCase();
lcd.print(displayWelcome);
Firebase.RTDB.setString(&fbdo, "/rfid/lastScan", uidString);
Firebase.RTDB.setString(&fbdo, "/rfid/status", "ACCESS_GRANTED");
Firebase.RTDB.setString(&fbdo, "/rfid/lastUser", userName);
openDoor(true);
}
else
{
lcd.clear();
lcd.setCursor(0,0);
lcd.print("ACCESS DENIED");
lcd.setCursor(0,1);
lcd.print("UNKNOWN CARD");
Firebase.RTDB.setString(&fbdo, "/rfid/lastScan", uidString);
Firebase.RTDB.setString(&fbdo, "/rfid/status", "ACCESS_DENIED");
Firebase.RTDB.setString(&fbdo, "/rfid/notification", "ACCESS_DENIED");
}
delay(3500);
lastScanTime = millis();
rfid.PICC_HaltA();
rfid.PCD_StopCrypto1();
}
// ================= HANDLE EXIT BUTTON =================
void handleExitButton()
{
if (digitalRead(EXIT_BUTTON_PIN) == LOW && (millis() - lastButtonTime > 1000))
{
lcd.clear();
lcd.setCursor(0,0);
lcd.print("ACCESS GRANTED");
lcd.setCursor(0,1);
lcd.print("EXIT");
Firebase.RTDB.setString(&fbdo, "/rfid/status", "OPENED FROM INSIDE");
openDoor(true);
delay(1500);
lastButtonTime = millis();
}
}
// ================= OPEN DOOR =================
void openDoor(bool autoClose)
{
digitalWrite(RELAY_PIN, LOW);
Firebase.RTDB.setString(&fbdo, "/rfid/relay", "ON");
delay(300);
rfid.PCD_Init();
if (autoClose)
{
autoCloseActive = true;
doorTimer = millis();
}
}
// ================= CLOSE DOOR =================
void closeDoor()
{
digitalWrite(RELAY_PIN, HIGH);
Firebase.RTDB.setString(&fbdo, "/rfid/relay", "OFF");
autoCloseActive = false;
delay(300);
rfid.PCD_Init();
}
// ================= AUTO CLOSE =================
void handleAutoClose()
{
if (autoCloseActive && (millis() - doorTimer >= 3000))
{
closeDoor();
}
}
// ================= DOOR SENSOR =================
void handleDoorSensor()
{
bool doorOpen = digitalRead(DOOR_SENSOR_PIN);
if (doorOpen != lastDoorState)
{
lastDoorState = doorOpen;
lcd.clear();
if (doorOpen)
{
lcd.setCursor(0,0);
lcd.print("STATUS:");
lcd.setCursor(0,1);
lcd.print("DOOR OPEN");
Firebase.RTDB.setString(&fbdo, "/rfid/doorSensor", "OPEN");
}
else
{
lcd.setCursor(0,0);
lcd.print("STATUS:");
lcd.setCursor(0,1);
lcd.print("DOOR CLOSED");
Firebase.RTDB.setString(&fbdo, "/rfid/doorSensor", "CLOSED");
}
}
}