SKU: IOWC-1849
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Adafruit HUZZAH32 ESP32 Feather Board w/ Stacking Headers

₹3,109.00 (Inclusive of all taxes)
Out of Stock

The Adafruit HUZZAH32 is an assembled ESP32 Feather development board featuring a dual-core 240 MHz processor, 4 MB flash, integrated Wi-Fi and Bluetooth, and pre-soldered stacking headers for rapid prototyping with Feather Wings.

Features

  • Powered by the official Espressif ESP32 WROOM32 module with a 240 MHz dual-core Tensilica LX6 processor and 4 MB SPI flash.
  • Integrated 802.11b/g/n Wi-Fi and dual-mode Bluetooth (Classic & BLE) for robust wireless connectivity in IoT projects.
  • Features a built-in USB-to-serial converter, LiPo charger, and automatic bootloader reset for streamlined development.
  • Comes with pre-soldered 0.1″ stacking headers for immediate use and compatibility with the extensive Feather Wings ecosystem.
  • Provides rich I/O including 12 ADC channels, capacitive touch inputs, DACs, and multiple UART/SPI/I2C interfaces.

Out of stock

Description

The Adafruit HUZZAH32 ESP32 Feather Board is a fully assembled, production-ready development platform centered on the Espressif WROOM32 module. It combines a high-performance 240 MHz dual-core microcontroller with comprehensive wireless capabilities, including 2.4 GHz Wi-Fi and dual-mode Bluetooth, making it an ideal core for connected devices. The board integrates essential peripherals like a LiPo battery charging circuit, USB-to-serial conversion, and a tuned PCB antenna, simplifying power management and firmware deployment.

Designed for rapid prototyping, the HUZZAH32 exposes most GPIOs through its Feather-compatible pinout, allowing seamless expansion with Adafruit’s wide range of Feather Wings for displays, sensors, and actuators. Its low-power architecture supports deep sleep modes, while the rich analog and digital interfaces—including capacitive touch, DACs, and I2S audio—enable advanced IoT applications from smart home controls to wearable tech and wireless sensor nodes.

Key Features

  • Core module based on the official Espressif ESP32 WROOM32 with dual-core 240 MHz LX6 CPU and 4 MB flash.
  • Integrated 2.4 GHz 802.11b/g/n Wi-Fi transceiver with HT40 support and dual-mode Bluetooth (Classic & BLE).
  • On-board PCB antenna, ultra-low noise analog amplifier, and LiPo battery charging/management circuit.
  • Pre-soldered 0.1" stacking headers for immediate plug-and-play use with Feather Wings and breadboards.
  • Comprehensive I/O set: 10 capacitive touch inputs, 12 ADC channels, 2 DACs, 3 UARTs, 3 SPI, and 2 I2C interfaces.
  • Built-in USB-to-serial converter and automatic bootloader reset for easy programming via Arduino IDE or ESP-IDF.
  • Feather-standard form factor (50mm x 23mm) for compact, stackable designs in portable and embedded systems.

Applications

  • Prototyping IoT devices with wireless connectivity for smart home automation and sensor networks.
  • Developing wearable tech and portable gadgets with Bluetooth LE and battery management.
  • Building wireless sensor nodes for environmental monitoring, data logging, and telemetry.
  • Creating interactive projects using capacitive touch interfaces and audio I2S outputs.
  • Rapid prototyping with the Feather Wings ecosystem for displays, motor drivers, and GPS.

Technical Specifications

Microcontroller/SoCDual-Core Tensilica LX6 (ESP32 WROOM32 Module)
Max Clock Frequency240 MHz
Wireless Protocols802.11b/g/n Wi-Fi (HT40), Bluetooth Classic & BLE
Flash Memory4 MB
SRAM520 KB
Supply Voltage3.3V (via USB or LiPo)
InterfacesUSB-C, UART x3, SPI x3, I2C x2, I2S x2, ADC x12, DAC x2, Capacitive Touch x10, PWM
Antenna ConnectorIntegrated PCB Antenna
Dimensions50 mm x 23 mm
Weight8.4 g

Frequently Asked Questions

How do I program the Adafruit HUZZAH32 ESP32 Feather Board?

You can program the board using the Arduino IDE with the ESP32 board package installed or via Espressif's ESP-IDF framework. Connect via the USB-C port; the built-in USB-to-serial converter and automatic bootloader reset allow for one-click uploading. Ensure you select 'Adafruit ESP32 Feather' as the board type in the Arduino IDE to configure the correct pin mappings and serial port settings for the pre-soldered headers.

What is the power supply range and how do I use a battery?

The board operates at 3.3V and can be powered via the USB-C port or a single-cell LiPo battery connected to the JST PH connector. The integrated LiPo charger manages battery charging when USB is connected. For low-power applications, utilize the ESP32's deep sleep modes, which significantly reduce current consumption. The board automatically switches between USB and battery power sources, making it suitable for portable and always-on IoT deployments.

Are all GPIO pins accessible and what are the default pin assignments?

Most ESP32 GPIOs are broken out to the Feather-standard headers, but some are used for internal functions like the flash and PCB antenna. In the Arduino IDE, default pin mappings are predefined for the 'Adafruit ESP32 Feather' board profile. For example, the primary SPI, I2C, and serial pins are assigned. Refer to Adafruit's pinout diagram to identify alternate functions, capacitive touch pins (T0-T9), ADC channels, and DAC outputs for your specific peripheral connections and shield compatibility.

Package Includes

  • 1 x Assembled Adafruit HUZZAH32 ESP32 Feather Board with Stacking Headers

Additional Information

Weight 0.0084 kg
Dimensions 5 × 2.3 cm