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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.
You can use RX/TX with the UPDI interface directly, see https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md. You should at least add a resistor on the line. Then you'll be able to program it with pymcuprog in serial mode, without a bootloader.
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