Arduino is great, but it sometimes gets in the way due to its entry level style of doing things. One limitation is making your own library that also includes other libraries.[Scott] has sent in a ...

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 ...

Before I start talking about this really cool thing called Arduino (Italian for "good friend"), let me say a few things about the fascinating subject of physical computing. Physical computing has been ...