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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 think the controller is only going to have PPM output at best. There's a feature request for ppm input marked "not going to happen", so I think you are out of luck. https://github.com/ExpressLRS/ExpressLRS/issues/421
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