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Set SN74HC165's clock_inhibit_pin as optional (#3583)

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* Set SN74HC165's clock_inhibit_pin as optional

The use of only 3 pins is mentioned, but the configuration values don't reflect that.
Datasheet specifies the pin can be directly connected to ground. The code already expects the pin to not be used: ec3162282c/esphome/components/sn74hc165/__init__.py (L35)

* Update sn74hc165.rst

* Update sn74hc165.rst

---------

Co-authored-by: H. Árkosi Róbert <robreg@zsurob.hu>
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João Silva 2024-06-04 12:46:12 +01:00 committed by GitHub
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components/sn74hc165.rst
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@ -11,7 +11,6 @@ Once configured, you can use any of the 8 pins for your projects. Up-to 256 shif
to provide more pins, without using more GPIO pins on the controller. They are linked by connecting pin Q of the closer
shift register to the pin QH of the next shift register.
.. code-block:: yaml
# Example configuration entry
@ -28,12 +27,11 @@ Configuration variables:
- **id** (**Required**, :ref:`config-id`): The id to use for this SN74HC165 component.
- **data_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Pin connected to SN74HC165 Serial Output (QH) input.
- **clock_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Pin connected to SN74HC165 Clock (CLK) pin
- **load_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Pin connected to SN74HC165 Load input (SH/LD) pin
- **clock_inhibit_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Pin connected to SN74HC165 Clock Inhibit (CLK INH) pin
- **clock_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Pin connected to SN74HC165 Clock (CLK) pin.
- **load_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Pin connected to SN74HC165 Load input (SH/LD) pin.
- **clock_inhibit_pin** (*Optional*, :ref:`Pin Schema <config-pin_schema>`): Pin connected to SN74HC165 Clock Inhibit (CLK INH) pin. The use of it is optional, as it can be directly connected to ground.
- **sr_count** (*Optional*, int): Number of daisy-chained shift registers, up-to 256. Defaults to ``1``.
Pin configuration variables:
****************************
@ -62,7 +60,6 @@ Pin configuration variables:
See Also
--------
- :doc:`binary_sensor/gpio`
- :apiref:`SN74HC165/SN74HC165.h`
- :ghedit:`Edit`