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Adafruit HUZZAH ESP8266 Breakout

Adafruit HUZZAH ESP8266 Breakout

We have ✅ 10 available of the AF-2471 in our Sydney warehouse. An extra 100 units available with a short lead time.

Express post delivery (2-5 business days)

The Adafruit HUZZAH ESP8266 Breakout is a breadboard-friendly WiFi microcontroller board built around the Espressif ESP8266. With an 80 MHz processor, full WiFi client and access point support, a built-in TCP/IP stack with DNS, and a CE/FCC certified module with on-board antenna, it provides an affordable and capable platform for IoT and WiFi projects.

The breakout includes a 500 mA 3.3V regulator, level shifting on UART and reset pins, two diode-protected power inputs (USB and battery), and an FTDI-compatible pinout for programming via a USB-serial adapter. It ships pre-loaded with NodeMCU's Lua interpreter, and can also be programmed with the Arduino IDE using the ESP8266 core.

Key Features

  • ESP8266 at 80 MHz – Full WiFi front-end with client and access point modes
  • Built-in TCP/IP Stack – With DNS support
  • CE/FCC Certified Module – With on-board antenna
  • 9 GPIO Pins – 3.3V logic, usable for I²C, SPI, or general I/O
  • 1 Analog Input – 1.0V maximum
  • 2 UART Pins – With level-shifted FTDI-compatible pinout for programming
  • 500 mA 3.3V Regulator – With level shifting on UART and reset
  • Dual Power Inputs – Diode-protected for USB cable and battery
  • Reset Button and User Button – User button doubles as bootloader mode selector
  • Red LED – User-controllable for status indication
  • NodeMCU Lua Pre-Loaded – Ready to run Lua commands out of the box
  • Arduino IDE Compatible – Install the ESP8266 core and program like any Arduino board

Ideal For

  • WiFi-connected IoT sensor and automation projects
  • Low-cost WiFi microcontroller prototyping
  • Learning Lua or Arduino programming with WiFi
  • Embedding wireless connectivity into project enclosures

Package Contents

  • 1× Adafruit HUZZAH ESP8266 Breakout – Assembled and tested with NodeMCU pre-loaded
  • 1× Header strip (unsoldered)
Important: A USB-serial adapter is required for programming and is not included. We recommend the FTDI Friend or an FTDI cable.
Note: The ESP8266 can draw up to 250 mA — budget your power supply accordingly. Light soldering required to attach the included header strip.

Resources

The Adafruit HUZZAH ESP8266 Breakout appears in the following collections:

SKU AF-2471
by Little Bird