Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-S3-WROOM-1 N16R8 |
| Flash Memory | 16 MB |
| PSRAM | 8 MB Octal SPI |
| Wi-Fi Standard | 802.11 b/g/n (2.4 GHz) |
| Bluetooth Version | Bluetooth 5 (LE) |
| USB Interface | USB OTG Full-speed, Native USB |
| AI Acceleration | Vector Instructions for NN |
| Operating Voltage | 3.3V |
| Dimensions | 54mm x 25mm x 12mm |
| Compatibility | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 27, 2026
Rating: 5/5
Powerful and efficient
Using this for a smart home hub project. The vector instructions significantly speed up my neural network inference times. Highly recommended for edge AI applications.
Anonymous
Mar 22, 2026
Rating: 5/5
Solid build quality
The PCB layout is clean, and the antenna placement ensures good signal strength. The USB-C connector feels durable. This is now my go-to board for prototyping.
Anonymous
Mar 17, 2026
Rating: 5/5
Perfect for AI Voice Projects
The N16R8 configuration provides ample memory for running local voice recognition models. The native USB support makes flashing firmware incredibly fast compared to older ESP32 boards.
Anonymous
Mar 16, 2026
Rating: 5/5
Best value S3 board available
I bought this specifically for the Xiaozhi AI integration. Setup was straightforward using the latest ESP-IDF. Wi-Fi range is solid and Bluetooth connectivity is stable.
Anonymous
Mar 14, 2026
Rating: 4/5
Great board, minor pinout quirks
Excellent performance for the price. The octal PSRAM is a game changer for image processing tasks. Just be careful with the GPIO mapping as it differs slightly from the classic DevKitC.
Anonymous
Mar 05, 2026
Rating: 4/5
Good documentation support
As a beginner, I found plenty of examples online for this specific board model. The 16MB flash allows me to store multiple projects without worrying about space.
Q: Does this board support external camera modules?
A: Yes, the ESP32-S3 supports DVP camera interfaces. You can connect standard OV2640 or OV5640 modules directly to the designated GPIO pins.
Q: Are there example codes for the Xiaozhi AI features?
A: Yes, we provide a GitHub repository link in the product manual containing specific examples for voice wake-up and command recognition using the Xiaozhi framework.
Q: Can I power this via the USB port alone?
A: Absolutely. The board includes a power management circuit that allows it to run solely off the 5V provided by the USB-C connection.
Q: What bootloader mode does this use by default?
A: It ships with the standard UART bootloader enabled, compatible with esptool.py. It also supports USB OTA updates out of the box.
Q: Is the 8MB PSRAM usable for audio buffers?
A: Yes, the large PSRAM capacity is ideal for audio buffering, especially when implementing noise cancellation or multi-microphone arrays.
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