Reza, Dimas Alvian, and Belinda Ayuningtyas. “Prototype Of An RFID-Based Door Lock System Using An ESP32 Microcontroller With Telegram Notifications”. International Journal of Health Engineering and Technology 5, no. 2 (July 19, 2026). Accessed July 26, 2026. https://www.afdifaljournal.com/journal/index.php/ijhet/article/view/1050.