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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.
Look at code other people have made that does similar stuff to what you are trying to achieve. I've googled a lot to see if I can find any videos or posts from people who have done something similar, and then I tried to understand their code so I could repurpose it for my use cases. Search for the functions that you don't understand in the docs. Here's my github for this board, you should be able to find most of the macro and led functionalities there, so I'd recommend taking a look at the code! (It's not super tidy, but hopefully still understandable)