Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ESP32-S3
CPU Cores	Xtensa LX7 Dual-Core
Flash Memory	8MB / 16MB (N8R2/N16R8)
PSRAM	2MB / 8MB
Wi-Fi	2.4GHz 802.11b/g/n
Bluetooth	Bluetooth 5 Low Energy
GPIO Pins	45 Programmable GPIOs
Operating Voltage	3.3V Logic, 5V USB Input
USB Interface	USB Type-C OTG
Development Framework	ESP-IDF, Arduino, MicroPython

5 reviews

Anonymous

Apr 04, 2026

Rating: 5/5

Excellent performance

Upgraded from the C3 and the S3 is noticeably faster. Bluetooth LE works great for my sensors.

Anonymous

Apr 02, 2026

Rating: 5/5

Solid development board

Reliable power management and good GPIO access. Highly recommend for prototyping IoT devices.

Anonymous

Mar 23, 2026

Rating: 4/5

Great hardware, docs could improve

The board itself is high quality and fast. I wish the pinout diagram was clearer for beginners.

Anonymous

Mar 06, 2026

Rating: 3/5

Good but tricky initial setup

Had some driver issues on Windows initially. Once resolved, it works fine for school projects.

Anonymous

Feb 09, 2026

Rating: 5/5

Perfect for XiaoZhi AI

This board works flawlessly with the XiaoZhi AI ecosystem. Setup was straightforward and Wi-Fi connectivity is stable.

5 FAQ

Q: Is there an external antenna connector?

A: This model uses an onboard PCB antenna. There is no U.FL connector for external antennas.

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

A: Yes, you can connect a LiPo battery via the battery connector or 5V pin with proper regulation.

Q: Is this compatible with the Arduino IDE?

A: Yes, this board is fully compatible with the Arduino IDE using the ESP32 board manager package.

Q: Does it support MicroPython?

A: Yes, ESP32-S3 is well-supported by MicroPython and CircuitPython frameworks.

Q: What is the difference between N8R2 and N16R8?

A: N8R2 has 8MB Flash and 2MB PSRAM, while N16R8 has 16MB Flash and 8MB PSRAM.

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