
Description:
Seeed Studio XIAO ESP32C3 is an ultra-compact yet powerful microcontroller board designed for modern IoT applications. Powered by the highly integrated ESP32-C3 RISC-V processor, it delivers seamless 2.4GHz Wi-Fi and Bluetooth Low Energy (BLE 5.0) connectivity in a tiny footprint. Despite its small size, it offers a rich set of interfaces, including UART, I²C, SPI, ADC, and GPIOs, making it ideal for wearable, portable, and space-constrained projects.
The board includes built-in lithium battery charging, excellent power efficiency, and robust security features, enabling long-term deployment in smart home, automation, sensor networks, and edge-AI applications. With its exquisite design and versatile functionality, the XIAO ESP32C3 is a perfect choice for developers and makers building compact, connected, and energy-efficient IoT solutions.
Note: Due to the small size heating issue will be generated, but it will not affect the working of the product. To avoid excessive heating, you can use an external heatsink.
Note: Update the version for ESP32 boards to version 2.0.8 in Arduino IDE. The board is not compatible with the previous versions.
Specifications:
- Interface: 1x UART, 1x IIC, 1x IIS, 1x SPI,11x GPIO(PWM), 4x ADC 1x Reset button, 1x Boot button
- Charging Current: 50mA/100mA
- Operating Voltage: 3.3V@200mA
- Input Voltage: 5V

Features:
- ESP32-C3 SoC with U.FL antenna ensures stable Wi-Fi and Bluetooth connections up to 100 m.
- Thumb-sized at 21 × 17.5 mm, lightweight and highly portable.
- Low-power consumption down to 44 μA in deep sleep, with 4 versatile operating modes.
- Onboard charging IC enables seamless battery integration for wearable and IoT projects.
- Single-sided components for easy integration; compatible with Seeed Fusion Service for rapid manufacturing.
Package Included:
1 x Seeed Studio XIAO ESP32C3