Datasheet

Overview
Feather is the new development board from Adafruit, and like it's namesake it is thin, light, and lets you fly! We
designed Feather to be a new standard for portable microcontroller cores.
This is the Adafruit Feather HUZZAH ESP8266 - our take on an 'all-in-one' ESP8226 WiFi development board with built
in USB and battery charging. Its an ESP8266 WiFi module with all the extras you need, ready to rock! We have other
boards in the Feather family, check'em out here (https://adafru.it/jAQ).
© Adafruit Industries https://learn.adafruit.com/adafruit-feather-huzzah-esp8266 Page 4 of 43