Flexible MCU Board: Incorporate the ESP32-C3 32-bit RISC-V chip, operating up to 160 MHz, mounted multiple development ports, supported by Arduino / CircuitPython
Outstanding RF performance: Implement complete Wi-Fi functions and Bluetooth Low Energy, while supporting communication over 100m with a U.FL antenna
Elaborate Power Design: Provide 4 working modes as low as 44 μA in deep sleep mode, while supporting lithium battery charge management
Thumb-sized Design: 21 x 17.5mm, Seeed Studio XIAO series classic form factor and elegant productization of single-sided components mounting, suitable for wearable devices
Perfect for Production: Breadboard-friendly & SMD design, no components on the back
Specification
| Parameter | Description |
| Processor | ESP32-C3 SoC |
| RISC-V single-core 32-bit chip processor with a four-stage pipeline that operates at up to 160 MHz | |
| Wireless | Complete 2.4GHz Wi-Fi subsystem |
| Bluetooth 5.0/ Bluetooth mesh | |
| On-chip Memory | 400KB SRAM & 4MB Flash |
| Interface | 1x UART, 1x IIC, 1x SPI,11x GPIO(PWM), 4x ADC |
| 1x Reset button, 1x Boot button | |
| Dimensions | 21 x 17.5mm |
| Power | Circuit operating voltage: 3.3V@200mA |
| Charging current: 350mA/100mA | |
| Input voltage (VIN): 5V | |
| Deep Sleep Power Consumption | Deep Sleep Model: >44 μA |
| Wi-Fi Enabled Power Consumption | Active Model: <75 mA |
| Modem-sleep Model: <25 mA | |
| Light-sleep Model: <4 mA | |
| BLE Enabled Power Consumption | Modem-sleep Model: <27 mA |
| Light-sleep Model: <10 mA | |
| Working Temperature | -40°C ~ 85°C |
Hardware Overview
Pinout
Application
- Internet of Things
- Wearable devices
- Health monitoring
- Education
- Low-Power(LP) networking
- Rapid prototyping
Documents
Note
XIAO SoM User Manual open-sources all hardware and software materials of XIAO, providing professional product design guidelines to help you accelerate ideas off the ground, streamline product design, providing a seamless experience from module selection to mass production. You can check here to see more info.