(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 ...

🔐 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 ...

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 ...

[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 ...

Project Description A secure door lock system using Arduino Uno, RFID (MFRC522), and a 4x4 Matrix Keypad. Authorized users can unlock the door with either an RFID tag or a PIN code.

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one ...

YouTube channel Circuit Basics has created a new video they have published this week which compares the centre of the new New Arduino 101 (Genuino 101) board comparing it to the setup of the older ...