Description
Seeed Studio XIAO ESP32C3 – Tiny WiFi & Bluetooth IoT Development Board
The Seeed Studio XIAO ESP32C3 (113991054) is an ultra-compact, low-power IoT development board designed for wireless connectivity, embedded systems, wearable electronics, and smart automation projects. Powered by the Espressif ESP32-C3 32-bit RISC-V single-core processor operating at up to 160MHz, it delivers efficient processing performance in a thumb-sized form factor.
Featuring integrated 2.4GHz WiFi (802.11 b/g/n) and Bluetooth 5.0 Low Energy (BLE) connectivity, the XIAO ESP32C3 enables wireless communication for smart home devices, remote sensor monitoring, and connected IoT applications. With 400KB SRAM and 4MB flash memory, the board provides resources for embedded programming and wireless control projects.
Measuring just 21 × 17.8mm, the board offers 11 GPIO pins, four ADC channels, and UART, I2C, and SPI interfaces for connecting compatible sensors, displays, and external modules. Its integrated lithium battery charging circuit supports portable and battery-powered applications.
The XIAO ESP32C3 also features an external antenna connection for wireless performance, USB Type-C connectivity for programming and power, and support for development using Arduino IDE and other compatible frameworks. Its compact design makes it ideal for wearable electronics, wireless sensor nodes, smart devices, and space-constrained embedded projects.
Key Features
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ESP32-C3 RISC-V Processor: 32-bit single-core processor operating at up to 160MHz for efficient embedded computing.
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2.4GHz WiFi Connectivity: Supports IEEE 802.11 b/g/n wireless networking for connected IoT applications.
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Bluetooth 5.0 Low Energy: Enables BLE communication with compatible sensors, smartphones, and wireless devices.
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400KB SRAM and 4MB Flash: Provides memory resources for firmware, data handling, and embedded applications.
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Ultra-Compact Design: Measures 21 × 17.8mm, making it suitable for wearable and miniature electronic devices.
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11 GPIO Pins: Supports digital input/output and PWM functions for interfacing with external components.
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Four ADC Channels: Enables analog signal measurement from compatible sensors.
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UART, I2C, and SPI Interfaces: Offers flexible communication with sensors, displays, and peripheral modules.
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Low-Power Operation: Supports deep-sleep operation with typical consumption of approximately 44µA under specified conditions.
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Lithium Battery Management: Integrated charging circuitry supports portable applications using a suitable rechargeable lithium battery.
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External RF Antenna: Supports an external antenna connection for improved wireless communication.
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USB Type-C Connectivity: Provides a convenient interface for programming and power.
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Secure IoT Development: Includes hardware-supported cryptographic features and secure boot capabilities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Seeed Studio |
| Product Name | XIAO ESP32C3 |
| Manufacturer Part Number | 113991054 |
| Product Type | IoT Development Board |
| Microcontroller | ESP32-C3 |
| Processor Architecture | 32-bit RISC-V Single-Core |
| Maximum Clock Frequency | 160MHz |
| SRAM | 400KB |
| Flash Memory | 4MB |
| Wireless Connectivity | 2.4GHz WiFi, Bluetooth 5.0 LE |
| WiFi Standard | IEEE 802.11 b/g/n |
| Bluetooth Support | BLE 5.0, Bluetooth Mesh |
| GPIO | 11 |
| Analog Inputs | 4 ADC Channels |
| Digital Interfaces | UART, I2C, SPI |
| PWM Support | Yes |
| USB Interface | USB Type-C |
| VIN Input Voltage | 5V DC |
| Battery Input | 3.7V Nominal Lithium Battery |
| Charging Current | 380mA Fast / 40mA Trickle |
| Deep-Sleep Consumption | Approximately 44µA |
| Operating Temperature | -40°C to +85°C |
| Board Dimensions | 21 × 17.8mm |
| Antenna | External RF Antenna |
| Programming Support | Arduino IDE, ESP-IDF, Compatible Frameworks |
Applications
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Internet of Things (IoT): Develop compact WiFi-enabled devices for remote data collection and monitoring.
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Smart Home Automation: Create connected lighting, switching, and monitoring systems.
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Wearable Electronics: Build miniature fitness, tracking, and interactive electronic projects.
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Wireless Sensor Networks: Collect and transmit sensor measurements through WiFi or BLE.
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Battery-Powered IoT Devices: Develop low-power applications using suitable rechargeable lithium batteries.
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Environmental Monitoring: Build wireless temperature, humidity, and air-quality monitoring systems with external sensors.
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Bluetooth Projects: Develop BLE-based communication systems, remote controls, and smartphone-connected devices.
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Smart Agriculture: Create connected soil moisture and environmental sensing applications.
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Educational Projects: Learn ESP32 programming, wireless communication, and embedded electronics.
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Robotics and Automation: Interface sensors and peripheral modules for wireless control projects.
Package Contents
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1 × Seeed Studio XIAO ESP32C3 Development Board
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1 × External RF Antenna
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2 × 7-Pin Headers
Additional Information
The XIAO ESP32C3 supports USB Type-C programming and battery-powered operation, making it suitable for both development and compact embedded deployments.