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 ...

Hobbyists, electronic enthusiasts, and makers may be excited to learn that Adafruit has announced the arrival of the NeoTrellis RGB driver PCB for 4×4 keypad. This new release is an upgrade from 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 scrap ...

Putting a custom designed electronic lock on your space seems like a geek right of passage. For our latest workspace, we decided to skip the boring numbered keypad and build a custom RGB backlit ...

Robofun Create has built a fully functional keyboard using Staropramen beer cans, demonstrating once more that the potential of systems like the Arduino and Raspberry Pi is only limited by the ...

Sure, Red Bull may have gotten a lot of attention by sponsoring Felix Baumgartner's space dive, but it's not the only beverage-maker that has made some great accomplishments possible. The Prague-based ...