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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.
QMKs RP2040 support on splits is pretty good, though it is not merged (yet). If you are comfortable with using this branch you can use it just fine. https://github.com/qmk/qmk_firmware/pull/14877
You can find firmwares in rust using RP2040 here: https://github.com/TeXitoi/keyberon/blob/master/KEYBOARDS.md
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