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Avoid signed integer overflow in example sketch #5

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Avoid signed integer overflow in example sketch #5

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Commits on Apr 15, 2022

  1. Avoid signed integer overflow in example sketch 

    The `int' type is only 16-bits long in some Arduinos. On those devices,
the square of an analog reading, filtered or not, may not fit in an
`int'. Use `long' instead, in order to avoid signed integer overflow,
which in C++ is undefined behavior.
    @edgar-bonet
    edgar-bonet committed Apr 15, 2022
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