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Remove sparkfun attribution
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@ -3,8 +3,7 @@ PCF8574 I/O Expander
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The PCF8574 component allows you to use PCF8574 or PCF8575 I/O expanders
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(`datasheet <http://www.ti.com/lit/ds/symlink/pcf8574.pdf>`__,
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`Sparkfun`_) in esphomeyaml. It
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uses :ref:`I²C Bus <i2c>` for communication.
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`Sparkfun`_) in esphomeyaml. It uses :ref:`I²C Bus <i2c>` for communication.
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Once configured, you can use any of the 8 pins (PCF8574) or 16 pins (PCF8575) as
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pins for your projects. Within esphomelib they emulate a real internal GPIO pin
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@ -17,10 +16,9 @@ not work.
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.. figure:: images/pcf8574-full.jpg
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:align: center
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:target: `Sparkfun`_
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:width: 50.0%
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:width: 80.0%
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PCF8574 I/O Expander. Image by `Sparkfun`_.
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PCF8574 I/O Expander.
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.. _Sparkfun: https://www.sparkfun.com/products/retired/8130
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