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adafruit-huzzah32-esp32-feather

3 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

Adafruit HUZZAH32 ESP32 Feather Board

Details

  • Location: Cabinet-1, Bin 31
  • Category: Feather Boards
  • Type: ESP32 Development Board (Feather Form Factor)
  • Microcontroller: ESP32 (Dual Xtensa LX6 @ 240MHz)
  • Brand: Adafruit
  • Part Number: 3405
  • Quantity: 3
  • Product URL: https://www.adafruit.com/product/3405

Description

The Adafruit HUZZAH32 is an ESP32-based Feather board made with the official WROOM32 module. It combines the powerful dual-core ESP32 processor with WiFi and Bluetooth connectivity in the popular Feather form factor, making it compatible with the entire ecosystem of FeatherWings.

Specifications

  • Microcontroller: ESP32 dual-core 240MHz Tensilica LX6 with 600 DMIPS
  • Memory: 520KB integrated SRAM, 4MB SPI Flash (WROOM32 module)
  • WiFi: 802.11b/g/n HT40 with integrated antenna
  • Bluetooth: Dual mode (Classic and BLE)
  • GPIO Pins: 21 total
  • ADC: 12x analog input channels
  • DAC: 2x digital-to-analog converters
  • Peripherals: 3x UART, 3x SPI, 2x I2C, 2x I2S Audio
  • PWM: Available on every GPIO pin
  • USB: Built-in USB-to-Serial converter with auto-reset
  • Power: 3.3V regulator, built-in LiPoly charging

Dimensions

  • Board Size: 51.0mm x 22.7mm x 7.3mm (2.0” x 0.9” x 0.3”)
  • Weight: 6.8g
  • Form Factor: Standard Feather compatible

Image

Adafruit HUZZAH32 ESP32 Feather Board

Features

  • Standard Feather form factor compatible with 50+ FeatherWings
  • Dual-core ESP32 processor for multitasking
  • Built-in WiFi and Bluetooth Classic/LE connectivity
  • STEMMA QT connector for easy I2C device connection
  • Built-in LiPoly battery charging and monitoring
  • USB-to-Serial converter with automatic bootloader reset
  • On-board PCB antenna for wireless connectivity
  • Ultra-low noise analog amplifier
  • Hall sensor and capacitive touch interfaces
  • 32kHz crystal oscillator for accurate timing
  • OpenOCD debug interface with 32kB TRAX buffer

Advanced Features

  • Touch Interface: 10x capacitive touch GPIO pins
  • Hall Sensor: Built-in magnetic field sensor
  • Security: Hardware encryption acceleration
  • Real-time: Dedicated real-time operating system support
  • Audio: I2S audio input/output capability
  • SD Card: SDIO controller for SD card interface
  • Debug: JTAG debugging support

Connectivity

  • WiFi: 802.11b/g/n with WPA/WPA2 security
  • Bluetooth Classic: Traditional Bluetooth connectivity
  • Bluetooth LE: Low energy wireless communication
  • Range: Excellent RF performance with tuned antenna

Programming Support

  • Arduino IDE: Full Arduino support with ESP32 core
  • ESP-IDF: Official Espressif development framework
  • CircuitPython: Limited support (Arduino recommended)
  • MicroPython: Community support available

Power Management

  • Input Voltage: 3.3-6V via USB or battery
  • Battery Charging: Built-in LiPoly charger
  • Low Power: Multiple sleep modes for battery operation
  • Current Draw: ~80mA active, <10µA deep sleep

Tags

microcontroller, esp32, feather, huzzah32, wifi, bluetooth-le, bluetooth-classic, battery-charging, adafruit, arduino, stemma-qt, dual-core, iot

Notes

The HUZZAH32 is a significant upgrade from ESP8266-based boards, offering dual-core processing, more GPIO pins, analog outputs, and both WiFi and Bluetooth connectivity. Perfect for IoT projects requiring wireless communication and processing power. The Feather form factor provides access to a vast ecosystem of expansion boards. Recommended for makers with some microcontroller programming experience.

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