For some power users, the one-hundred-and-something keys on regular keyboards just aren’t enough for their everyday tasks. Macro keypads are a popular way of extending one’s input capabilities, and ...

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 ...

Like so many of us, [EducatedAce] has been quelling the quarantine blues by resurrecting old projects and finding new challenges to fill the days. He’s just finished building this blocky macro keypad ...