Unexpected Maker FeatherS3 ESP32-S3 Development Board
Unexpected Maker FeatherS3 ESP32-S3 Development Board - Image 2
SKU: IOWC-1226
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Unexpected Maker FeatherS3 ESP32-S3 Development Board

₹1,929.00 (Inclusive of all taxes)
Out of Stock

The Unexpected Maker FeatherS3 is an ESP32-S3 development board in the Adafruit Feather form factor, featuring dual-core LX7 processing, integrated 2.4GHz Wi-Fi & Bluetooth LE, and extensive GPIO for IoT prototyping and wireless applications.

Features

  • ESP32-S3 Dual-Core LX7 Microcontroller with integrated 2.4GHz Wi-Fi and Bluetooth LE 5.0 connectivity.
  • Adafruit Feather form factor ensures compatibility with a vast ecosystem of FeatherWing expansion boards and accessories.
  • Onboard PCB antenna provides reliable wireless communication without requiring an external antenna.
  • Includes USB-C connector for power, programming, and serial communication, plus a built-in LiPo battery charging circuit.
  • Offers multiple GPIO pins (SPI, I2C, UART, ADC) for interfacing sensors, displays, and actuators in embedded projects.

Out of stock

Description

The Unexpected Maker FeatherS3 is a feature-rich development board centered on the Espressif ESP32-S3 microcontroller. It delivers robust dual-core processing power alongside integrated 2.4GHz Wi-Fi and Bluetooth Low Energy 5.0, making it an ideal platform for IoT device development, smart home automation, and wireless sensor nodes.

Designed in the compact Adafruit Feather footprint, it maintains full hardware compatibility with the extensive FeatherWing ecosystem, allowing for rapid prototyping with add-on shields for displays, sensors, and connectivity. The board includes a USB-C interface for easy flashing via Arduino IDE, ESP-IDF, or MicroPython, and its integrated battery management circuit supports portable, battery-powered applications with efficient power modes.

Key Features

  • Powered by the Espressif ESP32-S3 dual-core LX7 microprocessor with vector instructions for efficient AI/ML workloads.
  • Integrated 2.4GHz IEEE 802.11 b/g/n Wi-Fi and Bluetooth 5.0 with Long Range support for versatile wireless connectivity.
  • Standard Adafruit Feather form factor (22.9mm x 52.3mm) for seamless use with FeatherWing expansion boards.
  • Onboard PCB trace antenna eliminates the need for an external antenna in most applications.
  • USB-C connector provides stable power delivery, fast data transfer, and straightforward programming.
  • Built-in single-cell LiPo battery charging and management circuit enables true portable and untethered projects.
  • Exposes a comprehensive set of GPIOs including SPI, I2C, UART, ADC, DAC, and capacitive touch sensors.
  • Low-power operating modes and deep sleep support extend battery life in remote sensing deployments.

Applications

  • IoT Sensor Nodes and Wireless Data Loggers for environmental monitoring.
  • Smart Home Automation Controllers and Wireless Switches.
  • Prototyping and Educational Platforms for embedded systems development.
  • Portable Battery-Powered Devices and Wearable Technology.
  • Wireless Gateways bridging Bluetooth sensors to Wi-Fi networks.

Technical Specifications

Microcontroller / SoCEspressif ESP32-S3 (Dual-core LX7, 32-bit)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 5.0 LE
Frequency Range2.4 GHz
RF Transmit PowerUp to +20 dBm (typical)
Supply Voltage3.3V (via USB or LiPo)
InterfacesGPIO, SPI, I2C, UART, USB-C, ADC, DAC
Antenna ConnectorIntegrated PCB Antenna
Operating Temperature-40°C to +85°C (typical for ESP32-S3)
Dimensions (L x W)52.3 mm x 22.9 mm

Frequently Asked Questions

What software frameworks can I use to program the FeatherS3?

You can program the Unexpected Maker FeatherS3 using the Arduino IDE with the ESP32 board package, Espressif's official ESP-IDF framework for advanced control, or MicroPython/ CircuitPython for rapid scripting. Flashing is done via the USB-C port, and the board typically appears as a serial COM port after installing the necessary USB drivers.

How do I power the FeatherS3 for a battery-operated project?

The board features a JST-PH connector for a single-cell 3.7V LiPo battery. The integrated charging circuit manages charging via the USB-C port. For lowest power consumption, utilize the ESP32-S3's deep sleep modes, which can reduce current to microamps, significantly extending battery life in remote sensor applications.

Is the wireless antenna built-in, or do I need an external one?

The FeatherS3 includes an onboard PCB trace antenna, which is sufficient for most applications within a typical indoor range. For extended range or specific mounting needs, the ESP32-S3's RF pin is broken out, allowing you to connect an external antenna via a matching circuit, though this requires careful RF design.

Package Includes

  • 1 x Unexpected Maker FeatherS3 ESP32-S3 Development Board

Additional Information

Weight 0.01 kg
Dimensions 5.23 × 2.29 cm

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