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{{Refimprove|date=September 2014}}
'''Physical computing''', in the broadest sense, means building interactive [[physical system]]s by the use of [[software]] and hardware that can sense and respond to the [[analog signal|analog]] world.{{clarify|reasin=If there is any distinction from an embedded system, mention it here.}} While this definition is broad enough to encompass things such as smart automotive traffic [[control system]]s or factory [[automation]] processes, it is not commonly used to describe them. In the broad sense, physical computing is a creative framework for understanding human beings' relationship to the [[Digital data|digital]] world. In practical use, the term most often describes handmade art, design or [[DIY]] hobby projects that use [[sensor]]s and [[microcontroller]]s to translate analog input to a [[software system]], and/or control [[electro-mechanical]] devices such as [[Electric motor|motor]]s, [[Servomechanism|servo]]s, [[lighting]] or other hardware.
[[File:Physical computing.svg|500px|frameless|right|Physical computing]]
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