Adafruit ESP32-S3 Feather Dev Board w/ STEMMA QT - 8MB Flash
Adafruit ESP32-S3 Feather Dev Board w/ STEMMA QT - 8MB Flash - Image 2
Adafruit ESP32-S3 Feather Dev Board w/ STEMMA QT - 8MB Flash - Image 3
Adafruit ESP32-S3 Feather Dev Board w/ STEMMA QT - 8MB Flash - Image 4
SKU: IOWC-1376
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Adafruit ESP32-S3 Feather Dev Board w/ STEMMA QT - 8MB Flash

₹3,149.00 (Inclusive of all taxes)
Out of Stock

The Adafruit ESP32-S3 Feather is a compact development board featuring Espressif’s dual-core 240 MHz ESP32-S3 SoC with integrated Wi-Fi 4 and Bluetooth 5 (BLE), 8 MB of flash memory, native USB-C, and a STEMMA QT / Qwiic connector for rapid I2C sensor integration.

Features

  • Powered by the ESP32-S3 dual-core 240 MHz Xtensa LX7 processor for robust IoT application performance.
  • Integrated Wi-Fi 4 (802.11 b/g/n) and Bluetooth 5 (BLE) for versatile wireless connectivity.
  • Features 8 MB of flash memory for storing application code, filesystems, and OTA updates.
  • Native USB-C port enables direct programming and USB HID/CDC functions without an external converter.
  • Includes STEMMA QT / Qwiic connector for plug-and-play I2C sensor and actuator expansion.

Out of stock

Description

The Adafruit ESP32-S3 Feather condenses the power of Espressif’s latest ESP32-S3 microcontroller into the Feather form factor, designed for rapid prototyping and deployment. Its dual-core 240 MHz processor provides the computational headroom needed for complex tasks like data processing, TLS encryption for secure MQTT, and managing multiple wireless connections simultaneously. Native USB-C integration simplifies development workflows, allowing the board to function as a composite USB device for direct programming, serial communication, or emulating peripherals like keyboards and mass storage.

Engineered for low-power IoT deployments, the board features integrated LiPo battery management with active monitoring via a MAX17048 fuel gauge chip, enabling precise battery percentage reporting over I2C. The Feather’s standardized pinout and extensive ecosystem of “Wings” (add-on boards) allow for scalable system design, from adding displays and sensors to integrating LoRa or cellular connectivity. Its FCC/CE-certified radio module ensures reliable, compliant wireless performance for commercial products.

Key Features

  • Dual-core ESP32-S3 processor (Xtensa LX7, 240 MHz) with integrated Wi-Fi 4 and Bluetooth 5 LE.
  • 8 MB flash memory provides ample storage for application firmware, web server assets, and data logging.
  • Native USB-C port for direct programming, debugging, and USB HID/CDC device functionality.
  • Integrated LiPo battery charger with active monitoring via MAX17048 fuel gauge (I2C).
  • STEMMA QT / Qwiic connector enables solderless daisy-chaining of I2C sensors and peripherals.
  • Feather-standardized 0.1" pinout for compatibility with hundreds of Feather Wing expansion boards.
  • Power-efficient design supports deep sleep modes for extended battery-powered operation.
  • FCC/CE-certified radio module ensures regulatory compliance for commercial deployments.

Applications

  • Prototyping wireless sensor nodes for smart home automation and environmental monitoring.
  • Building portable, battery-powered data loggers and handheld IoT devices.
  • Developing USB HID peripherals like custom keyboards, macro pads, or presentation controllers.
  • Creating edge computing gateways that aggregate sensor data via Wi-Fi and BLE.
  • Rapid prototyping with plug-and-play I2C sensors for education and maker projects.

Technical Specifications

Microcontroller / SoCEspressif ESP32-S3 (Dual-core Xtensa LX7, 240 MHz)
Wireless ProtocolsWi-Fi 4 (802.11 b/g/n), Bluetooth 5.0 LE
Flash Memory8 MB
SRAM512 KB
USB InterfaceNative USB-C
Expansion ConnectorSTEMMA QT / Qwiic (I2C)
Power SupplyUSB-C (5V) or LiPo Battery (3.7V)
Battery ManagementIntegrated Charger & MAX17048 Fuel Gauge
Operating Voltage3.3V
Development FrameworksArduino IDE, ESP-IDF, MicroPython, CircuitPython

Frequently Asked Questions

How do I program the Adafruit ESP32-S3 Feather?

You can program the board using the Arduino IDE, ESP-IDF, or MicroPython. Install the ESP32-S3 board package via the Arduino Boards Manager. Connect the USB-C port to your computer; it should enumerate as a serial COM port. Select 'Adafruit ESP32-S3 Feather' as the board target, choose the correct COM port, and upload your sketch. The native USB port eliminates the need for an external USB-to-serial converter, streamlining the flashing process.

Can I power this board with a battery, and how is battery level monitored?

Yes, the board includes a JST PH connector for a 3.7V LiPo battery. It features an integrated charging circuit that activates when USB-C power is connected. Battery voltage and state-of-charge are monitored by an onboard MAX17048 fuel gauge IC, which communicates accurate battery percentage data over the I2C bus. You can read this data in your code to implement low-battery alerts or power-saving routines.

What is the purpose of the STEMMA QT connector?

The STEMMA QT connector is a 4-pin JST SH connector that provides a plug-and-play interface for I2C sensors and peripherals. It follows the Adafruit Qwiic and SparkFun Qwiic standard, allowing you to daisy-chain multiple sensors without soldering. Simply use a STEMMA QT cable to connect compatible sensors for rapid prototyping. The connector supplies 3.3V power, ground, SDA, and SCL signals to the attached device.

Does this version have PSRAM, and what are the memory specifications?

This specific variant (product name ending in 'No PSRAM') includes 8 MB of flash memory and 512 KB of SRAM but does not include any additional PSRAM (Pseudo Static RAM). If your application requires large memory buffers for graphics, audio, or complex data structures, consider the alternative version with 4 MB flash and 2 MB PSRAM. The 8 MB flash is sufficient for most firmware and file system needs.

What are the key differences between the ESP32-S3 and older ESP32 chips?

The ESP32-S3 features a dual-core 240 MHz Xtensa LX7 processor, offering improved performance over the LX6 cores in the original ESP32. It includes enhanced Bluetooth 5.0 LE support and native USB (USB-OTG) functionality, allowing it to act as a USB device without external chips. The S3 also introduces improved security features and more peripheral interfaces. However, it lacks the Ethernet MAC and touch sensor peripherals found on some ESP32 variants, so review the datasheet for your specific requirements.

Package Includes

  • 1 x Adafruit ESP32-S3 Feather with STEMMA QT / Qwiic - 8MB Flash No PSRAM

Additional Information

Weight 0.012 kg
Dimensions 14 × 8 × 2 cm

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