docs/library/machine.Pin: Mention GPIO and cross-link .value() function.
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class Pin -- control I/O pins
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class Pin -- control I/O pins
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=============================
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=============================
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A pin is the basic object to control I/O pins. It has methods to set
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A pin is the basic object to control I/O pins (also known as GPIO -
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general-purpose input/output). It has methods to set
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the mode of the pin (input, output, etc) and methods to get and set the
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the mode of the pin (input, output, etc) and methods to get and set the
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digital logic level. For analog control of a pin, see the ADC class.
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digital logic level. For analog control of a pin, see the ADC class.
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.. method:: pin([value])
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.. method:: pin([value])
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Pin objects are callable. The call method provides a (fast) shortcut to set and get the value of the pin.
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Pin objects are callable. The call method provides a (fast) shortcut to set and get the value of the pin.
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See **pin.value** for more details.
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See :func:`pin.value` for more details.
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.. method:: pin.alt_list()
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.. method:: pin.alt_list()
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