docs/library/machine.Signal.rst: Correct typo: usecases to use cases.

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Howard Lovatt 2020-10-10 08:18:24 +11:00 committed by Damien George
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@ -55,7 +55,7 @@ Following is the guide when Signal vs Pin should be used:
* Use Pin: If you implement a higher-level protocol or bus to communicate * Use Pin: If you implement a higher-level protocol or bus to communicate
with more complex devices. with more complex devices.
The split between Pin and Signal come from the usecases above and the The split between Pin and Signal come from the use cases above and the
architecture of MicroPython: Pin offers the lowest overhead, which may architecture of MicroPython: Pin offers the lowest overhead, which may
be important when bit-banging protocols. But Signal adds additional be important when bit-banging protocols. But Signal adds additional
flexibility on top of Pin, at the cost of minor overhead (much smaller flexibility on top of Pin, at the cost of minor overhead (much smaller