Adafruit Feather HUZZAH with ESP8266 WiFi
We have ✅ 5 available of the AF-2821 in our Sydney warehouse. An extra 2 units available with a short lead time.
The Feather HUZZAH ESP8266 is an all-in-one Wi-Fi development board with built-in USB and battery charging. Powered by the ESP8266 with a full Wi-Fi stack, it's a compact and affordable way to add Internet connectivity to your projects using the Arduino IDE or NodeMCU Lua.
The CP2104 USB-serial converter supports upload speeds up to 921,600 baud with auto-reset, so there's no need to manually press buttons to enter bootloader mode. The CP2104 offers better driver support and stability than CH340-based alternatives.
Key Features
- ESP8266 @ 80 MHz – Tensilica core with 3.3V logic
- 4 MB Flash – 32 Mbit for program and file storage
- Wi-Fi 802.11 b/g/n – Built-in wireless networking
- CP2104 USB-Serial – 921,600 baud with auto-reset for fast uploads
- 9 GPIO Pins – Usable as I2C and SPI
- 1× Analogue Input – 1.0V maximum
- Arduino IDE & NodeMCU Lua – Comes pre-programmed with the Lua interpreter
- Built-in LiPo Charger – 100 mA charging with status LED (trace-cuttable to disable)
- 3.3V Regulator – 500 mA peak current output
- Pin #0 Red LED & Pin #2 Blue LED – For general-purpose blinking and bootloader status
Specifications
- Dimensions – 51 × 23 × 8 mm (without headers)
- Weight – 9.7 g
- Mounting – 4 mounting holes
Also Available
Ideal For
- Internet of Things (IoT) projects
- Wi-Fi-connected sensor nodes
- Home automation and smart devices
- Rapid Wi-Fi prototyping with Arduino or Lua
Package Contents
- 1× Assembled and tested Feather HUZZAH ESP8266
- 1× Header set
The Adafruit Feather HUZZAH with ESP8266 WiFi appears in the following collections:
