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components/binary_sensor/rc522.rst
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@ -9,7 +9,7 @@ RC522 RFID
.. _rc522-component:
The ``rc522`` component allows you to use RC522 RFID controllers
(`datasheet <hthttps://www.nxp.com/docs/en/data-sheet/MFRC522.pdff>`__, `Ali Express <https://es.aliexpress.com/item/1260729519.html>`__)
(`datasheet <https://www.nxp.com/docs/en/data-sheet/MFRC522.pdf>`__, `Ali Express <https://es.aliexpress.com/item/1260729519.html>`__)
with ESPHome. ESPHome can read the tag UID from it, every RFID tag comes with a unique
UID value. Each known tag can be associated to a binary sensor, or you can use the tag information directly.
See :ref:`rc522-setting_up_tags` for information on how to setup individual binary sensors for this component.