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I wrote some pi pico code to interface the max7219 but it's extremely optimized for the pi pico (uses DMA and programmable io features) but you could use it or something else as an example of how the interface works and is subtly different from spi. https://github.com/jamon/pico-max7219-8x8-led-matrix
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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I use LedMatrixDriver instead for my ESP32 Stock Ticker. Maybe give it a try instead.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.
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