It’s still under heavy development, but because, maybe, I’ll unable to spend enough time on that in near future I decided to share code.
It has basic functionality and it’s possible to use that right now, but there is a lot of space to improvement and I’ll try to work on that when be able.
Backend code (STM32 Cube IDE) — https://github.com/enthru/pa_ctl_backend
Frontend code (ESP32S3 Arduino) — https://github.com/enthru/pa_ctl_frontend
PCB — https://oshwlab.com/enthru/pa_ctl