Anonymous
Apr 15, 2026
Rating: 5/5
Excellent for learning
Documentation links provided were helpful for getting started. Great board for IoT students.
Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Processor | Dual-core Xtensa LX7 |
| Flash Storage | 16MB Quad SPI |
| PSRAM | 8MB Octal SPI |
| Wireless | Wi-Fi 2.4GHz & Bluetooth 5.0 LE |
| USB Interface | USB Type-C (Data & Power) |
| Operating Voltage | 5V Input, 3.3V Logic |
| GPIO Count | 45 Programmable Pins |
| Supported IDEs | Arduino, MicroPython, Lua, ESP-IDF |
| Board Dimensions | 58mm x 25mm x 12mm |
| Package Includes | Board, USB Cable, Header Pins |
Anonymous
Apr 15, 2026
Rating: 5/5
Excellent for learning
Documentation links provided were helpful for getting started. Great board for IoT students.
Anonymous
Mar 27, 2026
Rating: 5/5
Great MicroPython support
Loaded CircuitPython immediately without issues. Pinout is clear and the USB-C is very convenient.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for AI projects
The PSRAM makes a huge difference for image processing tasks. Very stable connection and easy to flash.
Anonymous
Mar 07, 2026
Rating: 4/5
Good value
Works well but headers needed soldering. Otherwise solid board for the price point.
Anonymous
Mar 04, 2026
Rating: 5/5
Fast shipping and quality
PuZhong authorized product feels genuine. WiFi range is impressive compared to older ESP32 models.
Q: Does it have built-in battery charging?
A: No, this board does not include a LiPo charging circuit.
Q: Is this compatible with Arduino IDE?
A: Yes, fully compatible with the ESP32 Arduino core.
Q: Can I use this for Face Detection?
A: Yes, the S3 chip supports AI vector instructions for ML tasks.
Q: What is the maximum current per GPIO?
A: Recommended max is 40mA per pin, total less than 1200mA.
Q: Are the headers pre-soldered?
A: No, headers are included in the box but need manual soldering.