A
Anonymous
Mar 14, 2026
Rating: 4/5
Solid connectivity
Bluetooth LE is stable. Wish it had a battery connector built-in but otherwise great.
Description
Wireless WiFi Bluetooth XiaoZhi AI Artificial Intelligence
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Processor | Dual-core Xtensa LX7 |
| Clock Speed | Up to 240 MHz |
| Flash Memory | 16 MB |
| PSRAM | 8 MB Octal |
| Wi-Fi | 802.11 b/g/n 2.4 GHz |
| Bluetooth | Bluetooth 5.0 LE |
| USB Interface | USB OTG Full Speed |
| GPIO Count | 45 Programmable Pins |
| Operating Voltage | 3.3V Logic |
| AI Features | Vector Instructions for AI |
5 reviews
A
Anonymous
Jan 29, 2026
Rating: 5/5
Best ESP32 variant yet
USB OTG is a game changer. Compiles fast and runs stable for weeks.
A
Anonymous
Jan 29, 2026
Rating: 4/5
Great board, tricky pins
Powerful chip and good WiFi range. Some GPIO pins are strapping pins so be careful during boot.
A
Anonymous
Jan 24, 2026
Rating: 5/5
Perfect for MicroPython
Loaded CircuitPython instantly. The extra PSRAM allows for larger scripts.
A
Anonymous
Jan 21, 2026
Rating: 5/5
Excellent for Edge AI
The N16R8 configuration handles my voice processing project without lag. Very happy with the performance.
5 FAQ
Q: Can I power this with 5V?
A: Yes, you can supply 5V via the USB port or the 5V pin, regulated internally to 3.3V.
Q: Does it work with ESP-IDF?
A: Yes, the ESP32-S3 is fully supported by the official ESP-IDF framework.
Q: Does this support Arduino IDE?
A: Yes, it is fully compatible with the Arduino IDE using the ESP32 board package.
Q: What version of Bluetooth is supported?
A: This board supports Bluetooth 5.0 and Bluetooth Low Energy (BLE).
Q: Is the PSRAM usable for audio buffers?
A: Absolutely, the 8MB PSRAM is ideal for audio buffering and AI model storage.
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