Seeed Studio XIAO ESP32C6
Thumb-sized (21×17.8mm) Matter/Thread/Zigbee/WiFi 6/BLE 5.3 dev board with dual RISC-V cores, onboard antenna, 15µA deep sleep, and hardware security — for ~$5.
$5.40
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Specifications
Components
Espressif ESP32-C6 dual RISC-V (160MHz HP + 20MHz LP), 4MB flash, WiFi 6, BLE 5.3, Zigbee, Thread, Matter, secure boot, TEE.
Onboard LiPo battery charger via USB-C with battery measurement via JST connector, deep sleep at 15µA.
Bus Interfaces
GPIO Map
Overview
The Seeed Studio XIAO ESP32C6 is the first member of the XIAO family to support Thread, making it a natural choice for Matter smart home projects. At just 21×17.8mm — smaller than a thumb — it integrates an ESP32-C6 SoC with dual RISC-V cores (160MHz high-performance + 20MHz low-power), WiFi 6, Bluetooth 5.3, Zigbee, Thread, and Matter connectivity.
Security is built in at the hardware level: secure boot, flash encryption, identity protection, and a Trusted Execution Environment (TEE) are standard on the ESP32-C6. Combined with Matter's cryptographic commissioning model, this makes the XIAO ESP32C6 suitable for production-grade smart home products, not just prototypes.
The onboard high-performance ceramic antenna provides up to 80m range for BLE and WiFi, while a U.FL connector allows connection to an external antenna for extended range. Deep sleep current of just 15µA enables long battery life in sensor applications. A battery JST connector is provided for portable applications.
With 11 GPIO supporting PWM, I2C, SPI, UART, and 7-channel ADC, plus compatibility with the entire Seeed Grove sensor ecosystem, the XIAO ESP32C6 supports ESPHome, Arduino, MicroPython, CircuitPython, and ESP-IDF for maximum firmware flexibility.
Use Cases
9Matter Smart Home
Building Matter-compatible smart home devices that work across ecosystems like Apple Home, Google Home, and Amazon Alexa.
Matter Smart Home
Building Matter-compatible smart home devices that work across ecosystems like Apple Home, Google Home, and Amazon Alexa.
Smart Home
Home automation devices for controlling lighting, climate, security, and appliances.
Thread Mesh Network
Low-power mesh networking using Thread protocol for smart home and IoT devices.
Wearable
Body-worn computing devices including smartwatches, fitness bands, and health monitors.
Battery Powered Sensor Node
Low-power sensor nodes running on battery for wireless data collection and monitoring.
IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
Prototyping
Rapid hardware prototyping and proof-of-concept development with breadboard-friendly form factors and accessible development environments.
Compact IoT Node
Ultra-small microcontroller boards for embedding into tight spaces in IoT projects, props, cosplay, and miniature builds.
Resources
Where to Buy
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