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 ...

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] ...

A secure electronic voting system with real-time authentication and keypad enables accurate, tamper-proof voting through ...

Engineering student Federico Terzi has created a new input device aptly named the Gesture Keyboard which, as the name suggests, converts gestures into keystrokes thanks to a little Arduino programming ...

If you are searching for a fully featured USB programmable keypad for your PC you may be interested in the Adafruit MacroPad RP2040 starter kit which is now available to purchase direct from the ...