Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-S3 |
| Flash Memory | 16MB (N16) |
| PSRAM | 8MB (R8) |
| Connectivity | Wi-Fi 2.4GHz, Bluetooth 5 (LE) |
| AI Acceleration | Vector Instructions for NN |
| USB Interface | Native USB OTG |
| GPIO Pins | 45 Programmable GPIOs |
| Operating Voltage | 3.3V |
| Dimensions | 54mm x 28mm x 12mm |
| Compatibility | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 24, 2026
Rating: 5/5
Superb Audio Processing Capabilities
The I2S interface works flawlessly with external MEMS mics. Low noise floor and the processing power is sufficient for real-time voice recognition tasks.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for AI Voice Projects
This board is exactly what I needed for my Xiaozhi voice assistant project. The 8MB PSRAM handles the audio buffering smoothly without lag. Setup with ESP-IDF was straightforward.
Anonymous
Mar 21, 2026
Rating: 4/5
Good for learning IoT
I used this for my university final year project. It connected to AWS IoT Core without issues. Only wish it came with a case, but the board quality is top-notch.
Anonymous
Mar 11, 2026
Rating: 5/5
Fast and Reliable
Running complex neural network inference locally is surprisingly fast on this chip. The vector instructions really make a difference for edge AI applications.
Anonymous
Mar 10, 2026
Rating: 4/5
Great specs, minor documentation gaps
The hardware is solid and the Wi-Fi range is impressive. However, specific pinout diagrams for the AI microphone interface could be clearer. Still, highly recommended for experienced users.
Anonymous
Mar 10, 2026
Rating: 5/5
Excellent value for money
Compared to other dev boards with similar RAM and Flash, this is a steal. The native USB support makes debugging much easier than older ESP32 models.
Q: Can I power this directly via the USB-C port?
A: Yes, you can power the board directly through the USB-C port using a standard 5V supply. The onboard regulator handles the conversion to 3.3V.
Q: Is the antenna external or internal?
A: This model features an onboard PCB antenna. There is also a connector option for an external antenna if you require extended range, depending on the specific sub-model.
Q: Does it support camera modules?
A: Yes, the ESP32-S3 supports DVP camera interfaces. You can connect compatible OV2640 or OV5640 modules for computer vision projects alongside the AI dialogue features.
Q: Does this board support MicroPython out of the box?
A: The board hardware is fully compatible with MicroPython, but you will need to flash the firmware yourself using esptool. It does not come pre-flashed.
Q: What is the maximum current this board can supply via the 3.3V pin?
A: We recommend drawing no more than 500mA from the 3.3V pin to ensure stable operation, especially when Wi-Fi is transmitting.
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