Datasheet
Table Of Contents
- Guide Contents
- Overview
- Pinouts
- Power Pins
- Logic pins
- Serial pins
- I2C & SPI pins
- GPIO pins
- Analog Pins
- Other control pins
- NC Pins
- Assembly
- Header Options!
- Soldering in Plain Headers
- Soldering on Female Header
- Power Management
- Battery + USB Power
- Power supplies
- Measuring Battery
- ENable pin
- Using NodeMCU Lua
- Open up serial console
- Hello world!
- Scanning & Connecting to WiFi
- WebClient example
- Using Arduino IDE
- Install the Arduino IDE 1.6.8 or greater
- Setup ESP8266 Support
- Blink Test
- Connecting via WiFi
- Downloads
- Datasheets & Files
- More info about the ESP8266
- Schematic
- Fabrication Print
- ESP8266 F.A.Q.
- When I connect stuff to some of the pins, the Huzzah stops working. Whats up with that?
- My Huzzah board keeps crashing and resetting, whats up with that?
- I can't seem to find the Serial port on my computer for the Feather HUZZAH?
- I still can't seem to find the Serial port on my computer for the Feather Huzzah!
- So, I’m getting a 'no such file' error compiling for ESP8266 on my Mac
- Whenever I start or reset the ESP8226 there's a bunch of "gibberish" on the Serial console
- I'm having difficulties uploading to the HUZZAH with the Arduino IDE
- I tried that, but I'm still having difficulties uploading with the Arduino IDE
- I'm stuck in bootloader mode and can't upload
- I can't get Lua to respond to my commands

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.
© Adafruit Industries https://learn.adafruit.com/adafruit-feather-huzzah-esp8266 Page 4 of 42










