[huntik17]

Enable firmware update of STM32Fxx series MCUs (includes the famous BluePill) Over-the-Air using ESP32.

[pantalaimon]

Actually you can do that with RIOT-OS (and probably Zephyr too) if you attach an SPI radio or Ethernet module.

https://github.com/RIOT-OS/RIOT/tree/master/examples/suit_up...