Attributes

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

5 reviews

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.

5 FAQ

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.

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