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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.
For fan speed controll i would recommend a pid fan controller like https://github.com/ThunderMikey/pid_fan_controller as it adjusts the speed to keep a target temperature instead of stupid linear curves (heat transfer is also dependent on ambient temperature which changes)
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