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GP2040-CE
Gamepad firmware for Raspberry Pi Pico and other RP2040 microcontrollers supporting Nintendo Switch, XInput and DirectInput (by MikanSui)
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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.
It is likely running GP2040, you should be able to configure it or even reflash it with modified firmware to suit your needs. Read the docs on https://gp2040.info/
NOTE:
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Hence, a higher number means a more popular project.