Build your own IoT smart door lock system using a Nano ESP32 and the Arduino Cloud, courtesy of this Gadget Master.

Arduino enthusiasts, makers and those of you looking to learn more about electronics. May be interested in a new smart Arduino lock project which uses voice recognition for access privileges.

If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects, and the ...