Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller	ESP32-S3-WROOM-1 N16R8
Flash Memory	16 MB
PSRAM	8 MB Octal SPI
Wi-Fi Standard	802.11 b/g/n (2.4 GHz)
Bluetooth Version	Bluetooth 5 (LE)
GPIO Pins	45 Programmable GPIOs
Interface	USB-to-UART, USB OTG
Operating Voltage	3.3V
Input Voltage	5V via USB or VIN pin
Dimensions	52.5 x 29.0 x 13.5 mm

6 reviews

Anonymous

Mar 26, 2026

Rating: 5/5

Perfect for AI and Voice Projects

This board is exactly what I needed for my Xiaozhi robot project. The 8MB PSRAM handles voice processing smoothly, and the Wi-Fi connection is stable. Setup with Arduino IDE was seamless.

Anonymous

Mar 24, 2026

Rating: 4/5

Solid performance for industrial prototyping

Using this for a prototype control system. The dual-core processor handles multitasking well. Only wish the header pins were pre-soldered, but that's a minor inconvenience.

Anonymous

Mar 23, 2026

Rating: 5/5

Excellent connectivity

The Bluetooth 5 and Wi-Fi combo works flawlessly for my smart home hub project. Signal strength is impressive even through walls. Highly recommended.

Anonymous

Mar 18, 2026

Rating: 5/5

Beginner friendly

As someone new to embedded development, this kit made learning easy. The community support is vast, and it works right out of the box with MicroPython.

Anonymous

Mar 18, 2026

Rating: 4/5

Great hardware, minor documentation gaps

The hardware quality is excellent, and the N16R8 configuration provides plenty of memory. However, some specific pinout diagrams for the AI kit accessories were hard to find initially. Overall, a solid choice.

Anonymous

Mar 08, 2026

Rating: 5/5

Best value ESP32-S3 board

I've tested several S3 boards, and this one offers the best balance of price and performance. The USB OTG support is a huge plus for connecting peripherals directly.

5 FAQ

Q: Is the 16MB flash soldered or can it be upgraded?

A: The 16MB flash memory is soldered onto the board and cannot be upgraded by the user. The N16R8 designation indicates the fixed configuration.

Q: Which software frameworks are supported?

A: This board is fully supported by ESP-IDF, Arduino Core, MicroPython, CircuitPython, and Zephyr RTOS.

Q: Does the kit include the antenna?

A: Yes, the board comes with an onboard PCB antenna. There is also a U.FL connector option on some revisions for connecting an external antenna if needed.

Q: Can I power this board with a 3.7V LiPo battery?

A: Yes, you can connect a 3.7V LiPo battery to the BAT pin if a charging circuit is included on your specific carrier, or directly to the 5V VIN pin through a diode if managing charging externally. Please check the schematic for your specific revision.

Q: Does this board support external camera modules?

A: Yes, the ESP32-S3 supports DVP camera interfaces, making it compatible with many OV series camera modules commonly used in AI vision projects.

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