1. Introduction
The Espressif ESP32-S3-WROOM-1-N8 is a powerful, generic Wi-Fi + Bluetooth LE MCU module. It features a rich set of peripherals and an integrated PCB antenna. This module is designed to accelerate neural network computing and signal processing workloads, making it suitable for a wide range of AI and Artificial Intelligence of Things (AIoT) applications. This manual provides essential information for the proper setup, operation, and maintenance of your ESP32-S3-WROOM-1-N8 module.
This image displays the compact ESP32-S3-WROOM-1-N8 module, highlighting its integrated PCB antenna and pin layout. The module is designed for embedded applications requiring Wi-Fi and Bluetooth LE connectivity.
2. Key Features
- 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 module
- Built around ESP32-S3 series of SoCs, Xtensa dual-core 32-bit LX7 microprocessor
- 8 MB SPI flash
- 36 GPIOs, rich set of peripherals, on-board PCB antenna
3. Setup
The ESP32-S3-WROOM-1-N8 module is intended for integration into custom PCB designs. It is not designed for direct breadboard use and requires additional connections to function. Users should possess knowledge of PCB design and surface-mount device (SMD) soldering.
- Hardware Integration: Integrate the module onto your custom printed circuit board, ensuring proper power supply, data lines, and peripheral connections as per the ESP32-S3 datasheet.
- Programming: The module can be programmed using tools like esptool via a USB connection integrated into your custom board. Refer to Espressif's official documentation for detailed programming guides and SDKs.
- Antenna: The module includes an on-board PCB antenna for Wi-Fi and Bluetooth connectivity.
4. Operating Instructions
Once integrated and programmed, the ESP32-S3-WROOM-1-N8 module operates as a powerful microcontroller with wireless capabilities.
- Power On: Apply the specified power voltage to the module through your custom PCB.
- Firmware Execution: The programmed firmware will execute upon power-up, controlling the module's functions, including Wi-Fi, Bluetooth LE, and peripheral interactions.
- Wireless Communication: Utilize the 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 capabilities for network connectivity and device communication.
- AI/AIoT Applications: Leverage the module's acceleration features for neural network computing and signal processing in applications such as wake word detection, speech recognition, face detection, smart home automation, and smart appliances.
5. Maintenance
The ESP32-S3-WROOM-1-N8 module is a robust electronic component, but proper handling and storage are essential for its longevity.
- Handling: Avoid touching the module's pins or sensitive components directly. Use anti-static precautions when handling.
- Storage: Store the module in a dry, cool environment, away from direct sunlight and extreme temperatures. Keep it in its original packaging or an anti-static bag when not in use.
- Cleaning: If necessary, clean the module gently with a soft, dry, anti-static brush. Do not use liquids or abrasive materials.
6. Troubleshooting
If you encounter issues with your ESP32-S3-WROOM-1-N8 module, consider the following troubleshooting steps:
- Power Supply: Verify that the module is receiving the correct voltage and current.
- Connections: Double-check all solder joints and electrical connections on your custom PCB.
- Firmware: Ensure the correct firmware is loaded and that there are no errors in your code. Try reflashing the firmware.
- Development Environment: Confirm that your development environment (e.g., ESP-IDF) is correctly configured and up to date.
- Datasheet Reference: Consult the official Espressif ESP32-S3 datasheet for detailed pinout information, electrical characteristics, and recommended operating conditions.
- Community Support: For complex issues, refer to Espressif's online forums and community resources.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | ESP32-S3-WROOM-1 |
| Processor | Xtensa dual-core 32-bit LX7 microprocessor |
| Number of Processors | 2 |
| RAM | LPDDR4X |
| Memory Storage Capacity | 8 MB SPI flash |
| Wireless Type | Bluetooth 5, Wi-Fi (802.11 b/g/n) |
| Connectivity Technology | Bluetooth, Wi-Fi |
| Operating System | FreeRTOS (supported) |
| GPIOs | 36 |
8. What's in the Box
The package contains the Espressif ESP32-S3-WROOM-1-N8 module, which features an integrated PCB antenna.
9. Warranty and Support
For warranty information and technical support, please refer to the official Espressif website or contact your point of purchase. Detailed documentation, including datasheets and programming guides, is available on the Espressif developer portal.
You can find more information and resources at the Espressif Store.
