[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of ...

🔐 Arduino Keypad Door Lock System A simple and effective security system using Arduino Uno, a 4x4 matrix keypad, and a relay-controlled electric lock. This project allows you to unlock a door using a ...

Arduino Uno/Pro/Mini or Custom board using Atmega 328p Microcontroller 16 x 2 LCD (Liquid Crystal Display) 4 x 3 or 4 x 4 matrix keypad for Arduino Servo motor 3D printed door locker/customised door ...

(keypad: columns and rows switching) So now you can see how the button presses can be translated into electrical data for use with a microcontroller. We can now start the real experiment with as ...

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.

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

He then hooked the wires up to a Bluetooth-enabled Arduino, and pressed buttons until he had all the serial commands the door lock used. After that it was a software game.