A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

[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 scrap ...

Adam Podstawczynski has created an innovative Arduino-powered project that emulates a Commodore 64 keyboard on a modern PC. This project allows keystrokes to be translated into character inputs on a ...

We’ve featured loads of IR Arduino projects and they are all exciting and unique. The projects spring from a specific need or problem where a custom infrared remote control is the solution. [Rick’s] ...

If you are looking for something a little more unique to type out your emails and documents on, you might be interested in this beer can keyboard which has been created for Staropramen, and was on ...