Arduino-Based RFID Door Lock Security System with Piezo Electric Sensor and GSM Module for Venezia Townhomes in Sta. Maria, Bulacan: Vol.3, No.1A. AASgBCPJMRA. 2024;3(1A). Accessed April 3, 2026. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/12760