Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | ESP32-S3 Dual-Core Xtensa LX7 |
| Flash Memory | 16MB (N16) |
| PSRAM | 8MB (R8) |
| Connectivity | Wi-Fi 4 (802.11 b/g/n), Bluetooth 5 (LE), 4G LTE Cat.1 |
| AI Capability | On-device Voice Recognition & Dialogue Processing |
| Audio Interface | I2S, PDM Microphone Input, DAC Output |
| Display Support | RGB LCD, SPI, I8080, MIPI-DSI |
| Power Supply | 5V via USB-C or Li-Po Battery Management |
| Form Factor | Compact Development Board with Enclosure Options |
| Software Ecosystem | Arduino IDE, ESP-IDF, MicroPython Compatible |
Anonymous
Mar 28, 2026
Rating: 5/5
High Performance for the Price
The 16MB flash and 8MB PSRAM provide ample space for complex firmware. Audio quality through the I2S interface is surprisingly clear for a development board.
Anonymous
Mar 17, 2026
Rating: 4/5
Great for Learning, Minor Setup Hurdles
Excellent hardware for teaching kids about IoT and AI. The voice dialogue feature works well once configured. Documentation could be slightly more detailed for absolute beginners, but community support is strong.
Anonymous
Mar 17, 2026
Rating: 4/5
Solid Base for Custom Assistants
Used this to build a custom home assistant node. The voice wake-up works reliably. Only wish the included enclosure was a bit more rugged for industrial settings.
Anonymous
Mar 10, 2026
Rating: 5/5
Robust Connectivity
Having 4G built-in is a game changer for mobile robotics projects. No need to rely on spotty Wi-Fi. The XiaoZhi voice interaction is responsive and fun to customize.
Anonymous
Mar 04, 2026
Rating: 5/5
Perfect for AI Voice Projects
The integration of the 4G module with the ESP32-S3 makes this board incredible for standalone voice chat applications. The N16R8 memory configuration handles large language models locally without lag.
Anonymous
Mar 02, 2026
Rating: 5/5
Exceeded Expectations
As someone new to embedded AI, this board made it easy to get a voice chat robot up and running. The pre-loaded examples are very helpful for getting started quickly.
Q: Does this board support SIM cards for the 4G connection?
A: Yes, the board includes a nano-SIM card slot specifically for the integrated 4G LTE Cat.1 module, allowing for independent cellular connectivity.
Q: What kind of microphone does the voice dialogue system require?
A: The board supports both I2S digital microphones and PDM microphones. A standard electret microphone can also be used with an external ADC or amplifier circuit.
Q: Can I program this using Python?
A: Absolutely. The ESP32-S3 chip is fully compatible with MicroPython and CircuitPython, making it accessible for developers who prefer Python over C++.
Q: Does the kit come with a battery?
A: The standard development board kit does not include a battery, but it features a dedicated JST connector and charging circuit for connecting a single-cell Li-Po battery.
Q: Is the 8MB PSRAM sufficient for running local LLMs?
A: The 8MB PSRAM is suitable for lightweight, quantized language models optimized for edge devices. For larger models, cloud API integration via the 4G module is recommended.
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