Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | ESP32-S3N16R8 Dual-core Xtensa LX7 |
| Flash Memory | 16 MB Quad SPI |
| PSRAM | 8 MB Octal SPI |
| Connectivity | Wi-Fi 2.4 GHz and Bluetooth 5 (LE) |
| Audio Interface | I2S, PDM Microphone Support, DAC |
| Display Interface | RGB LCD / MIPI DSI Support |
| Power Supply | 5V via USB-C or 3.3V LDO |
| AI Acceleration | Vector Instructions for Neural Networks |
| GPIO Pins | 45 Programmable GPIOs |
| Dimensions | 55mm x 25mm x 12mm |
Anonymous
Mar 28, 2026
Rating: 5/5
Ideal for learning embedded AI
As a student, this board made it easy to get started with TinyML. The community support is growing, and it works seamlessly with the Arduino IDE and ESP-IDF.
Anonymous
Mar 14, 2026
Rating: 5/5
Excellent performance per dollar
I've tested several development boards, and this one offers the best balance of memory, speed, and connectivity for human-computer dialogue applications. Highly recommended.
Anonymous
Mar 11, 2026
Rating: 5/5
Fast shipping and great product
Arrived quickly and well-packaged. The board powers up instantly and the USB-C port makes debugging very convenient. Will buy more for my team.
Anonymous
Mar 06, 2026
Rating: 4/5
Great hardware, documentation could be better
The build quality is solid and the WiFi connection is stable. However, finding specific pinout diagrams for the audio codec took some digging. Overall, a great value for the price.
Anonymous
Mar 06, 2026
Rating: 4/5
Solid choice for prototypes
Used this for a rapid prototype of a voice-controlled lamp. The setup was straightforward, though the onboard microphone sensitivity required some software tuning.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for Voice AI Projects
This board is exactly what I needed for my smart home voice assistant project. The ESP32-S3 chip handles audio processing smoothly, and the 8MB PSRAM is a huge plus for running local models.
Q: Does this board come with a pre-installed operating system?
A: No, the board comes bare. You need to flash your own firmware using ESP-IDF, Arduino IDE, or other supported frameworks.
Q: Can I connect a standard USB microphone directly to this board?
A: This board primarily supports I2S and PDM microphones via GPIO pins. A standard USB microphone would require an additional USB host shield or adapter.
Q: Is there a JTAG header available for debugging?
A: Yes, the board exposes JTAG pins on the header, allowing for advanced debugging using tools like OpenOCD and a compatible probe.
Q: Is the 16MB flash sufficient for storing multiple language models?
A: For small to medium-sized quantized models, yes. For larger models, you may need to utilize the SD card slot or stream data over WiFi.
Q: What voltage should I use if powering via the VIN pin?
A: Please supply 5V DC to the VIN pin. The onboard regulator will step it down to 3.3V for the ESP32-S3 chip.
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