Need help finding the root cause of Waveshare 2.13V3 noise

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  • epd-waveshare

    Drivers for various EPDs from Waveshare and others

    I ported epd-waveshare V2 to async Rust, ran the sample on battery power using a 3.3V LDO. I did it in Partial Refresh mode. During this, display border appeared along with all that noise.

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  • e-Paper

    I ported the Waveshare V3 Python code to Rust. This had a similar outcome, perpetually waiting for the busy pin. The only thing that worked was clearing the display (filling the memory with 0x00/FF): it was blinking a few times in the init() - clear() - sleep() loop. Pixels have never become black/white, though.

  • sensor-hub-ble

    Extensible weather station in Rust

    Lastly, my WIP code for the display.

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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