Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ESP32-S3-WROOM-1
Flash Storage	16MB
PSRAM Capacity	8MB
Wireless Protocol	Wi-Fi 2.4GHz & Bluetooth 5 LE
Connection Interface	USB Type-C
Operating Voltage	5V DC
Board Dimensions	50 x 25 x 10 mm
Net Weight	15g
Development Environment	Arduino IDE, ESP-IDF, PlatformIO
Target Application	AI Voice Assistant, IoT Projects

5 reviews

Anonymous

Apr 03, 2026

Rating: 5/5

Excellent value

Best price I found for an S3 board with this much PSRAM. Highly recommended for voice assistant builds.

Anonymous

Mar 26, 2026

Rating: 5/5

Great hardware specs

16MB flash and 8MB PSRAM is plenty for most voice projects. Wi-Fi range is solid compared to older ESP32 models.

Anonymous

Mar 18, 2026

Rating: 5/5

Perfect for XiaoZhi AI

Works flawlessly with the XiaoZhi AI firmware. Setup was straightforward and the Wi-Fi connection is stable.

Anonymous

Feb 24, 2026

Rating: 5/5

Fast shipping and well packaged

Arrived quickly. The USB-C port makes powering it very convenient without needing a separate programmer.

Anonymous

Feb 22, 2026

Rating: 4/5

Good board, docs could be better

The board itself is high quality. I wish the English documentation was more detailed for beginners getting started with AI.

5 FAQ

Q: What is the current consumption?

A: Deep sleep is around 15uA. Active Wi-Fi transmission varies but averages 100mA.

Q: Does it come with a microphone?

A: No, this is the core board only. You will need to connect an I2S microphone separately.

Q: Is this compatible with Arduino IDE?

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

Q: Can I use this for Home Assistant?

A: Yes, many users integrate this board with Home Assistant via ESPHome.

Q: Is the pinout standard?

A: Please refer to the datasheet. Some pins are reserved for flash, so check before connecting peripherals.

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