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 ...

GameSpot may get a commission from retail offers. The Auto Shop is your main hub in Pacific Drive. While there's lots of stuff that you can do while you're relaxing in this area, one thing might ...