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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.
Are you capable of doing simpleish programming? If so, the there is always the google home API + the plex api and creating you're own skill to do it. If you're looking for something ready made then phlex is the only option I'm aware of on that front. The custom skill way is a good way to learn some basic programming and also how to create google/alexa skills if you have to go that route.
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