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bluetooth-autoconnect
A linux command line tool to automatically connect to all paired and trusted bluetooth devices.
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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.
Keep BT on and it should connect automatically, pairing is just for the first time you introduce a new device to your system. https://github.com/blueman-project/blueman is a pretty nice BT manager too, but probably wouldn't help a ton with your specific issue. It does provide some nice options and granularity.
bluetooth-quick-connect like someone else suggested, and also bluetooth-autoconnect
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