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@ -4,3 +4,12 @@ Physical is a library for interacting with the physical world from a computer. T
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* Collecting and digitizing data from the physical world.
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* Controlling devices that take physical action.
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## Concepts
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The main concepts of Physical are:
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* Peripheral: A peripheral is a board that hosts physical I/O and usually does analog to digital conversion or
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digital to analog conversion. A peripheral cannot function on its own, it must be connected to a node. This is more
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narrow than the
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definition of a peripheral in embedded systems generally.
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* Node: A node hosts peripherals. A node can have a master but does not need one.
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* Master: A master hosts nodes. It is possible for a device to be both a node and a master at the same time.
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