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pico-rectangle
Joybus protocol (Gamecube controller) implementation for the Raspberry Pi Pico (ARM Cortex M0+). Translates GPIO to modelized Gamecube controller states based on the B0XX/F1 layout.
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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 have not play tested ultimate extensively myself yet, but I do have a mode specifically for ultimate. The algorithm I use for ult is functionally the same as the one used in the pico rectangle, which as far as I am aware works without issue for all of the points you have mentioned, and is generally touted as the best DAC algorithm for ult.
NOTE:
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Hence, a higher number means a more popular project.