DIY electronic RFID Door Lock with Battery Backup

https://www.electronics-lab.com/diy-electronic-rfid-door-lock-battery-backup/

Elmue build a RFID electronic door lock using PN532 Controller, Vehicle Battery and Teensy 3.2 board. The advantage of an electronic door lock is that the above security issues do not apply. It is much better to have a safe door lock which prevents that the thief can enter than to have an alarm system which […]