It also based on Android and Arduino platform both of which are free open source software. In this paper, a system called door locks automation system using Bluetooth-based Android Smartphone is ...

The DIY biometric lock is also equipped with three push buttons and a 16×2 LCD display. “This is a security door lock with fingerprint sensor.

The hack is still pretty hardware intensive, but Arduino fans will love this clever hack—especially if you're the type that locks yourself out of your room a lot.

DIY Arduino smart lock with voice recognition access 1:19 pm July 18, 2022 By Julian Horsey Arduino enthusiasts, makers and those of you looking to learn more about electronics.