Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller	ESP32-S3-WROOM-1-N16R8
CPU Architecture	Dual-core 32-bit Xtensa LX7
Flash Memory	16 MB
PSRAM	8 MB Octal SPI
Wireless Connectivity	Wi-Fi 2.4 GHz (802.11 b/g/n) and Bluetooth 5 (LE)
Operating Voltage	3.3V
Input Voltage	5V via USB or VIN pin
GPIO Pins	45 programmable GPIOs
AI Acceleration	Vector instructions for neural network processing
Interface	USB-to-UART bridge with native USB support

6 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Fast and Reliable

Upgraded from the ESP32-C3 and the speed improvement is noticeable. The extra flash memory allows for more complex firmware updates over the air.

Anonymous

Mar 23, 2026

Rating: 5/5

Excellent for classroom use

We bought ten of these for our robotics workshop. Students love the dual-core capability, and the built-in antenna works well without needing external components.

Anonymous

Mar 13, 2026

Rating: 5/5

Best S3 board I've tested

The power management is efficient, and the thermal performance remains cool even under continuous Wi-Fi transmission loads. Highly recommended for sensor hubs.

Anonymous

Mar 07, 2026

Rating: 4/5

Great board, minor documentation gaps

Hardware is solid and performance is excellent for the price. I wish the pinout diagram in the manual was slightly clearer regarding the native USB pins, but online resources filled the gap quickly.

Anonymous

Mar 06, 2026

Rating: 4/5

Good value but steep learning curve

As a beginner, I found the advanced features a bit overwhelming at first. However, once I got the basic blink example working, the potential for this board became clear.

Anonymous

Mar 04, 2026

Rating: 5/5

Perfect for AIoT Projects

The 8MB PSRAM makes a huge difference when running TinyML models. Setup was straightforward using the Arduino IDE, and the Wi-Fi connection is very stable.

5 FAQ

Q: Does this include an external antenna connector?

A: No, this specific DevKit model uses an onboard PCB antenna. If you require an external antenna connector (IPEX/U.FL), please look for the variant labeled with an external antenna option.

Q: Can I power this directly from a 3.7V LiPo battery?

A: Yes, you can connect a LiPo battery to the 5V pin if your battery has a protection circuit, or use the BAT pin if your specific variant exposes it. Please check the schematic for your specific revision to ensure safe voltage levels.

Q: What is the maximum current draw for the GPIO pins?

A: Each GPIO pin can source or sink up to 40mA. However, the total current drawn from all GPIOs combined should not exceed the limits specified in the ESP32-S3 datasheet to avoid damaging the chip.

Q: Does this board support MicroPython out of the box?

A: The board comes with no pre-flashed firmware, but it is fully compatible with MicroPython. You can easily flash the latest MicroPython binary using esptool.py.

Q: Is the USB port suitable for high-speed data transfer?

A: The native USB port supports Full-Speed (12 Mbps) device mode. It is ideal for CDC/UART communication and HID devices, but not intended for mass storage high-speed transfers.

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