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Switch pin numbering / import ordering

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Makes more sense, slightly better print layout
This commit is contained in:
Dave Jones
2017-07-14 23:07:32 +01:00
parent 4cc4b1c132
commit d3ee0c0102
1 changed files with 18 additions and 18 deletions
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36
docs/recipes.rst
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@@ -8,24 +8,6 @@ The following recipes demonstrate some of the capabilities of the GPIO Zero
library. Please note that all recipes are written assuming Python 3. Recipes
*may* work under Python 2, but no guarantees!
.. _pin-numbering:
Pin Numbering
=============
This library uses Broadcom (BCM) pin numbering for the GPIO pins, as opposed
to physical (BOARD) numbering. Unlike in the `RPi.GPIO`_ library, this is not
configurable.
.. _RPi.GPIO: https://pypi.python.org/pypi/RPi.GPIO
Any pin marked "GPIO" in the diagram below can be used as a pin number. For
example, if an LED was attached to "GPIO17" you would specify the pin number as
17 rather than 11:
.. image:: images/pin_layout.*
:align: center
Importing GPIO Zero
===================
@@ -52,6 +34,24 @@ In this case, all references to items within GPIO Zero must be prefixed::
button = gpiozero.Button(2)
.. _pin-numbering:
Pin Numbering
=============
This library uses Broadcom (BCM) pin numbering for the GPIO pins, as opposed
to physical (BOARD) numbering. Unlike in the `RPi.GPIO`_ library, this is not
configurable.
.. _RPi.GPIO: https://pypi.python.org/pypi/RPi.GPIO
Any pin marked "GPIO" in the diagram below can be used as a pin number. For
example, if an LED was attached to "GPIO17" you would specify the pin number as
17 rather than 11:
.. image:: images/pin_layout.*
:align: center
LED
===