(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 ...

[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 … ...

[Ronnie] built a laser trip wire complete with an LCD screen and keypad for arming and disarming the system. The brains of the project is an Arduino.

The system is equipped with a small Arduino Pro Micro development board on which the Arduino software uses the OneButton Library to allow the mechanical keypad to be customised to your exact ...

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI ...