There's been some experimentation with using https://github.com/thepowersgang/mrustc https://github.com/thepowersgang/mrustc to target the ESP8266: https://gi

There's been some experimentation with using https://github.com/thepowersgang/mrustc https://github.com/thepowersgang/mrustc to target the ESP8266: https://github.com/emosenkis/arduino-esp-rs https://github.com/emosenkis/arduino-esp-rs The same would work for the ESP32.