ESP8266 Build

We are no longer supporting CircuitPython on the ESP8266 as of 4.0.0alpha. You can continue to use 3.x but it will no longer be updated.

ESP8266 Build

The esp8266 board build requires a different toolchain. You must install https://github.com/pfalcon/esp-open-sdk. Follow the directions in the README. Note the caveats for MacOS about case-sensitive filesystems.

This guide was first published on Apr 26, 2018. It was last updated on Apr 26, 2018. This page (ESP8266 Build) was last updated on Aug 25, 2019.