Which numeric keypad is the best? If you have a small laptop, you may find the row of number keys on your device hinders your functionality. This is especially true for people like accountants and ...

Retro technology is “in” these days. Vinyl records, print books, and even film photography have all made a comeback. And “renew, reuse, and recycle” is a trend that recognizes the value and aesthetic ...

Using eight digital inputs, this circuit simplifies decoding of the common membrane 4x4 keypad matrix and eliminates the traditional requirement of scanning rows or columns. Any X-Y switch matrix, ...