Adafruit Feather HUZZAH ESP8266 WiFi Development Board with Stacking Headers

The Adafruit Feather HUZZAH ESP8266 is a compact and versatile 'all-in-one' WiFi development board featuring the ESP8266 microcontroller running at 80 MHz with 3.3V logic. Designed for portable projects, it includes built-in USB support and a 3.7V Lithium polymer battery connector with integrated charging circuitry.

This version comes fully assembled with Feather stacking headers, allowing for easy expansion and stacking with compatible FeatherWing add-ons, enabling rapid prototyping and development.

Key Features:

• ESP8266 WiFi microcontroller @ 80MHz with 3.3V logic
• Built-in USB to Serial converter (CP2104) with 921600 baudrate for quick code upload
• Integrated 3.7V Lithium polymer battery charging circuit with indicator LED
• 9 GPIO pins available, supporting I2C, SPI protocols
• 1 analog input with 1.0V max
• Auto-reset for seamless firmware uploading
• Compact size: 51mm x 23mm x 19mm (2.0" x 0.9" x 0.74")
• Lightweight design at 9.4 grams
• Includes 4MB Flash memory (32 MBit)
• Pin #0 red LED for general use, Pin #2 blue LED for bootloading and status
• 4 mounting holes for flexible installation
• Comes pre-soldered with stacking headers for easy stacking of Feather Wings

The Feather HUZZAH ESP8266 is compatible with the Arduino IDE and NodeMCU Lua firmware, preloaded with Lua interpreter for easy IoT development. It can run on USB power or a connected Lithium polymer battery, switching automatically between power sources.

Note: LiPoly battery and USB cable are not included but available separately in the Adafruit shop.

For detailed tutorials, schematics, and power management instructions, please visit the Adafruit Feather HUZZAH ESP8266 Learn Guide.