If you want to use this board with Adafruit IO Arduino - make sure you're on
version 2.5.1 or ABOVE.
After the install process, you should see that esp8266 package is marked INSTALLED.
Close the Boards Manager window once the install process has completed.
Setup ESP8266 Support
When you've restarted, select Adafruit Feather HUZZAH ESP8266 from the Tools-
>Board dropdown
80 MHz as the CPU frequency
©Adafruit Industries
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