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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I just searched up those libraries and it seems that development on MFRC522 has been stopped and moved to MFRC522v2, if you want to use both on the same SPI bus you will also need to look though the CustomSPI example otherwise it creates it's own SPI instance.
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