Espressif ESP32-S3-USB-OTG Development Board
SKU: IOWC-0712
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Espressif ESP32-S3-USB-OTG Development Board

₹4,719.00 (Inclusive of all taxes)
Out of Stock

The Espressif ESP32-S3-USB-OTG Development Board is a feature-rich platform built around the ESP32-S3-MINI-1 module, providing dual-core processing, Wi-Fi & BLE 5.0 connectivity, and native USB OTG support for direct peripheral interfacing, ideal for advanced IoT and embedded system prototyping.

Features

  • Powered by the ESP32-S3-MINI-1 module with dual-core Xtensa LX7 processor and 8MB of integrated flash memory.
  • Integrated USB On-The-Go (OTG) controller enables direct connection to USB peripherals like keyboards, storage, or HID devices.
  • Robust wireless connectivity with 2.4 GHz Wi-Fi and Bluetooth Low Energy 5.0 (BLE) for IoT applications.
  • Compact form factor with a rich set of I/O peripherals, including SPI, I2C, UART, and GPIOs for sensor integration.
  • Low-power design with multiple sleep modes, suitable for battery-powered edge computing and automation projects.

Out of stock

Description

The Espressif ESP32-S3-USB-OTG Development Board is engineered as a comprehensive hardware platform for developers building next-generation IoT devices and embedded systems. At its core is the ESP32-S3-MINI-1 system-on-chip, which combines a dual-core Xtensa LX7 microprocessor with 8MB of flash memory, providing substantial processing headroom for complex firmware developed in ESP-IDF, Arduino, or MicroPython. The integrated 2.4 GHz Wi-Fi and Bluetooth LE 5.0 radio ensure reliable wireless connectivity for data transmission and mesh networking.

A key differentiator of this board is its native USB On-The-Go (OTG) functionality, which allows the ESP32-S3 to act as a USB host. This enables direct interfacing with a wide range of USB devices—such as cameras, flash drives, or input devices—without requiring an intermediary computer, opening up possibilities for standalone data logging systems, media controllers, or custom human-machine interfaces. The board’s power architecture supports flexible supply via the USB port or an external source, with advanced power management for energy-efficient operation in field deployments.

Key Features

  • Dual-core ESP32-S3 processor delivers high performance for real-time IoT applications and edge computing tasks.
  • Native USB OTG support transforms the board into a USB host for connecting peripherals directly.
  • Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 with BLE support for wireless communication.
  • Comprehensive peripheral set includes multiple UART, I2C, SPI, I2S, and PWM interfaces for sensor and actuator integration.
  • Onboard 8MB flash provides ample storage for firmware, filesystems, and OTA update capabilities.
  • Compact and breadboard-friendly design with castellated holes for easy integration into custom PCB layouts.
  • Extensive development support via Espressif's official ESP-IDF framework, Arduino core, and MicroPython.

Applications

  • USB Host-enabled IoT gateways for data acquisition from USB sensors or storage devices.
  • Prototyping advanced human-machine interfaces (HMI) with USB keyboards, touchscreens, or audio devices.
  • Building smart home automation hubs with local wireless control and peripheral management.
  • Developing portable data loggers or edge AI devices that require direct USB connectivity.
  • Creating educational platforms for learning embedded systems, wireless communication, and USB protocols.

Technical Specifications

Microcontroller/SoCESP32-S3-MINI-1 (Dual-core Xtensa LX7)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 5.0 (BLE)
Frequency Range2.4 GHz ISM Band
RF Transmit PowerUp to +20 dBm (Wi-Fi)
Supply Voltage5V via USB or 3.3V external
Operating CurrentApprox. 240 mA (active, Wi-Fi Tx)
InterfacesUSB Type-C (OTG), GPIO, SPI, I2C, UART, I2S, ADC, PWM
Antenna ConnectorIntegrated PCB Antenna
Operating Temperature-40°C to +85°C
DimensionsApprox. 55mm x 28mm

Frequently Asked Questions

How do I program the ESP32-S3-USB-OTG development board?

You can program the board using Espressif's official ESP-IDF framework, the Arduino IDE with the ESP32 board package, or MicroPython. Connect the board via the USB Type-C port to your computer. In ESP-IDF or Arduino, select the 'ESP32-S3' board variant and the correct COM port. The board includes native USB CDC support, so no external USB-to-serial chip is required for flashing and serial communication.

What is the advantage of the USB OTG functionality on this ESP32-S3 board?

The USB On-The-Go (OTG) capability allows the ESP32-S3 to act as a USB host, enabling direct connection to USB peripherals like flash drives, keyboards, mice, or cameras without a PC. This is ideal for creating standalone IoT devices that need to read from USB storage, interface with HID devices, or capture media, expanding the board's use cases beyond typical sensor-based projects into more complex embedded systems.

What is the power supply requirement and typical power consumption?

The board can be powered via the 5V USB Type-C port or an external 3.3V supply connected to the appropriate pins. Current consumption varies with mode: active Wi-Fi transmission can draw around 240 mA, while deep sleep mode reduces current to microamps, enabling long-term battery operation. Ensure your USB port or external supply can deliver at least 500 mA for stable operation during high-load scenarios.

Package Includes

  • 1 x Espressif ESP32-S3-USB-OTG Development Board

Additional Information

Weight 0.053 kg
Dimensions 11 × 6 × 3 cm

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