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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.
most interesting here seems WCH CH32V20* according to their docs https://github.com/wuxx/nanoCH32V305#open-source-toolchain we can use the open source toolchain https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack to build and flash their chips, so no need to use their IDE.
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