In case you missed it, the big news is that a minimal Arduino core is up and working on the ESP32. There’s still lots left to do, but the core functionality — GPIO, UART, SPI, I2C, and WiFi ...

The next step in that process of improvement may be here now as well, with this project which turns the ESP32 into a USB host. USB is not a native feature on all microcontrollers or even Arduino ...