Adafruit ESP32-S3 Feather 8MB Dev Board w/ w.FL Antenna
Adafruit ESP32-S3 Feather 8MB Dev Board w/ w.FL Antenna - Image 2
Adafruit ESP32-S3 Feather 8MB Dev Board w/ w.FL Antenna - Image 3
Adafruit ESP32-S3 Feather 8MB Dev Board w/ w.FL Antenna - Image 4
Adafruit ESP32-S3 Feather 8MB Dev Board w/ w.FL Antenna - Image 5
Adafruit ESP32-S3 Feather 8MB Dev Board w/ w.FL Antenna - Image 6
SKU: IOWC-1307
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Adafruit ESP32-S3 Feather 8MB Dev Board w/ w.FL Antenna

₹3,139.00 (Inclusive of all taxes)
Out of Stock

The Adafruit ESP32-S3 Feather is a compact, feature-rich development board powered by the dual-core ESP32-S3, offering 8MB flash, native USB support, and integrated w.FL antenna connector for robust Wi-Fi 4 and Bluetooth 5.0 connectivity in portable IoT applications.

Features

  • ESP32-S3 Dual-Core LX7 Processor: Delivers up to 240MHz performance with native USB for keyboard, mouse, or mass storage device emulation.
  • Integrated w.FL Antenna Connector: Enables connection of external antennas for enhanced Wi-Fi and Bluetooth range and signal stability.
  • 8MB Flash Memory: Provides ample storage for complex firmware, OTA updates, and data logging in IoT deployments.
  • Feather Form Factor with Battery Management: Includes MAX17048 fuel gauge, LiPo charging via USB-C, and deep sleep currents as low as ~100µA for portable projects.
  • Multi-Platform Support: Fully compatible with Arduino IDE, ESP-IDF, and CircuitPython for flexible firmware development.

Out of stock

Description

The Adafruit ESP32-S3 Feather 8MB board is engineered as a versatile development platform for advanced IoT and wireless applications. Its core is the Espressif ESP32-S3 microcontroller, featuring a dual-core Xtensa LX7 CPU capable of speeds up to 240MHz, which provides substantial processing headroom for data handling, encryption, and real-time tasks. The integrated native USB port expands its functionality beyond a simple serial bridge, allowing the board to act as a Human Interface Device (HID) or MIDI controller.

Designed for low-power operation, the board incorporates a sophisticated power management system with a MAX17048 battery monitor for accurate state-of-charge reporting via I2C. Its Feather-standardized footprint ensures compatibility with a vast ecosystem of add-on boards. The on-board w.FL (U.FL) antenna connector allows developers to easily attach high-gain external antennas, optimizing wireless performance for challenging RF environments in industrial telemetry or smart home networks.

Key Features

  • Dual-core ESP32-S3 processor with native USB support for versatile host/device roles.
  • FCC/CE certified radio module with integrated w.FL connector for external antenna flexibility.
  • Advanced power system with USB-C LiPo battery charging and MAX17048 fuel gauge for precise battery monitoring.
  • Ultra-low deep sleep power consumption (~100µA) enabled by switchable peripheral power rails.
  • STEMMA QT connector provides plug-and-play I2C connectivity with power switching capability.
  • User-accessible DFU (BOOT0) and Reset buttons simplify firmware flashing via the built-in USB serial bootloader.
  • On-board status NeoPixel LED with power control to minimize quiescent current during sleep modes.
  • Comprehensive GPIO breakout including UART, SPI, I2C, and analog inputs for sensor and actuator integration.

Applications

  • Portable IoT Sensor Nodes for environmental monitoring (temperature, humidity, air quality).
  • Wireless HID Devices such as custom keyboards, mice, or game controllers using native USB.
  • Smart Home Automation Hubs and edge controllers with Wi-Fi and BLE connectivity.
  • Battery-Powered Wearables and health-tracking devices leveraging low-power sleep modes.
  • Prototyping and Development for wireless mesh networks, IoT gateways, and robotics.

Technical Specifications

Microcontroller/SoCEspressif ESP32-S3 (Dual-core Xtensa LX7)
Wireless ProtocolsWi-Fi 4 (802.11 b/g/n), Bluetooth 5.0 (BR/EDR/BLE)
Frequency Range2.4GHz ISM Band
RF Transmit PowerUp to +20 dBm (Chip-dependent)
Supply Voltage3.3V (via USB-C or LiPo battery)
Operating CurrentVaries with mode; Deep Sleep ~100µA
InterfacesUSB-C, GPIO, UART, SPI, I2C, Analog Inputs, STEMMA QT
Antenna Connectorw.FL (U.FL)
Operating TemperatureIndustrial Range (Typical -40°C to +85°C)
Dimensions50mm x 21mm (Feather Standard)

Frequently Asked Questions

How do I program the Adafruit ESP32-S3 Feather board?

You can program it using the Arduino IDE with the ESP32 board package, Espressif's ESP-IDF framework for full control, or CircuitPython (note: lacks PSRAM). Connect via the USB-C port, select the correct board (e.g., 'Adafruit Feather ESP32-S3'), and use the built-in USB serial bootloader—activated via the DFU (BOOT0) button—for uploading code without an external programmer.

What is the purpose of the w.FL antenna connector, and what antenna should I use?

The w.FL (U.FL) connector allows you to attach an external 2.4GHz antenna to improve Wi-Fi and Bluetooth range and reliability. For best results, use a certified antenna with a w.FL plug, such as a 2.4GHz dipole or a small ceramic chip antenna. Ensure the antenna has 50-ohm impedance to match the RF output of the ESP32-S3's integrated radio module.

How do I optimize the board for battery-powered operation and measure deep sleep current?

To optimize battery life, use the `esp_deep_sleep_start()` function in your firmware. For lowest current (~100µA), ensure the NeoPixel LED power is disabled via its control pin and turn off the external I2C power rail via the STEMMA QT switch. The onboard MAX17048 chip provides battery voltage and state-of-charge data over I2C, allowing for accurate battery monitoring in your application code.

Package Includes

  • 1 x Adafruit ESP32-S3 Feather 8MB Development Board with w.FL Antenna

Additional Information

Weight 0.05 kg
Dimensions 5 × 2.1 cm

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