Write support for i2c RC522 component #3271
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morotsgurka
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Component enhancements
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Component name
rc522
Link to component documentation on our website
https://esphome.io/components/binary_sensor/rc522.html
Describe the enhancement
Currently the RC522 component is based on github.com/miguelbalboa/rfid which development has ended and he recommends OSSLibraries/Arduino_MFRC522v2 instead. I'm not sure about the original library but with v2 it has the ability to write data to Mifare classic cards, this would be a great addition since the RC522 is less expensive than the PN532.
For example being able to read and write content to the card using a lambda with on_tag -> then:
Use cases
Anything else?
I have some working arduino code that uses the MFRC522v2 library that reads, adds and writes back the sum to the card if that helps?
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