Seeed Studio XIAO ESP32-C3
$8.73
In Stock
As of 12/05/2026
AliExpress
Check the listing before buying. Some versions come with unsoldered headers, while others may include pre-soldered headers or multi-packs.
The Seeed Studio XIAO ESP32-C3 is a tiny ESP32-C3 development board with 2.4 GHz Wi-Fi, Bluetooth LE, USB-C, battery support, and the compact XIAO form factor.
It is a good option for small IoT projects, Home Assistant sensors, ESPHome devices, portable Wi-Fi projects, and battery-powered builds.
Key specs
| Feature | Seeed Studio XIAO ESP32-C3 |
|---|---|
| Main chip | ESP32-C3 |
| Processor | 32-bit RISC-V single-core, up to 160 MHz |
| Wireless | 2.4 GHz Wi-Fi, Bluetooth LE 5.0 |
| Flash | 4 MB |
| SRAM | 400 KB |
| USB | USB-C |
| GPIO | 11 GPIO pins |
| ADC | 4 ADC pins |
| Interfaces | UART, I2C, SPI |
| Battery support | Yes |
| Size | 21 × 17.8 mm |
| Common uses | ESPHome sensors, Home Assistant projects, IoT devices, small Wi-Fi projects |
Version notes
The XIAO ESP32-C3 is part of the wider Seeed Studio XIAO range.
Make sure you are buying the XIAO ESP32-C3, not one of the other XIAO boards.
Also check whether you want the version with pre-soldered headers or unsoldered headers.
The XIAO ESP32-C3 is built around the ESP32-C3 SoC and includes 2.4 GHz Wi-Fi, Bluetooth LE 5.0, 400 KB SRAM, 4 MB flash, 11 GPIO pins, 4 ADC pins, USB-C, and a compact 21 × 17.8 mm board size.
Related review
Alternatives
- Seeed Studio XIAO ESP32-S3
- Seeed Studio XIAO ESP32-C6
- Seeed Studio XIAO ESP32-C5
- Seeed Studio XIAO nRF52840
- Raspberry Pi Pico 2 W
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