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Pro Arduino by Dan Cervo, Rick Anderson

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CHAPTER 10

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Multiprocessing: Linking the Arduino for More Power

Certain projects may not lend themselves well to an individual Arduino, because of possible limitations with the hardware, such as a processor’s speed or limited memory. Multiprocessing can add greater functionality to a system; this is commonly seen with Arduino in the form of coprocessors connected via shields such as the Ethernet shield. Coprocessor-style shields share their functionality with the Arduino to offload complex processes, but still allow the Arduino to have the main control. Multiprocessing is normally associated with high-level computing when it is infeasible to make ...

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