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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 am building a dactyl manuform right now, and you normally use arduino pro micro and wire the mechanical Switches by soldering diodes and wires directly to them. So no perfekt matching pcb in this case. See https://github.com/abstracthat/dactyl-manuform for more details, but be warned of the rabbit hole!
honestly I use the variety of resources on the internet combined when I was learning and still today. that being said, https://github.com/Bastardkb/Charybdis
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