Seeed Studio XIAO ESP32 C6 C3 S3 C5 Development Board Arduino NRF52840 Sense Plus RP2350 SAMD21 MG24 XIAO RP2040 Dev Board MCU
SPECIFICATIONS
Accessory Type: Extension Board
Battery Included: no
Brand Name: seeed studio
Compatible With: ESP32
High-concerned chemical: none
Origin: Mainland China
Typical Application Fields: Education and Learning

Seeed Studio XIAO ESP32C6 is powered bythe highly-integrated ESP32-C6 SoC, built on two 32-bit RISC-V processors, with ahigh-performance (HP) processor with running up to 160 MHz, and a low-power (LP) 32-bit RISC-V processor, which can be clocked up to 20 MHz. There are512KB SRAM and 4 MB Flash on the chip, allowing for more programming space, and bringing more possibilities to the IoT control scenarios.
XIAO ESP32C6 is Matter native thanks to its enhanced wireless connectivity. The wireless stack supports 2.4 GHz WiFi 6, Bluetooth® 5.3, Zigbee, and Thread (802.15.4). As the first XIAO member compatible with Thread, it's a perfect fit for building Matter-compliant projects, thus achieving interoperability in smart-home.
To better support your IoT projects, XIAO ESP32C6 not only provides seamless integration with mainstream cloud platforms like ESP Rain Maker, AWS IoT, Microsoft Azure, and Google Cloud, but also leverages security for your IoT applications. With its on-chip secure boot, flash encryption, identity protection, and Trusted Execution Environment (TEE), this tiny board ensuresthe desired level of securityfor developers looking to build smart, secure, and connected solutions.

This new XIAO is equipped with a high-performanceonboard ceramic antenna with up to 80m BLE/Wi-Fi range, while it also reserves an interface for an external UFL antenna. At the same time, it also comes with an optimized power consumption management. Featuring four power modes and an onboard lithium battery charging management circuit, it works in the Deep Sleep mode with a current as low as 15 µA, making it an excellent fit for remote, battery-powered applications.

Being the 8th member of the Seeed Studio XIAO family, XIAO ESP32C6 remains the classic XIAO design. It is designed to fit the 21 x 17.5mm, XIAO Standard Size, while remains its classic single-sided components mounting. Even being thumb-sized, it amazingly breaks out15 totalGPIO pins, including 11 digital I/Os for PWM pins and 4 analog I/Os for ADC pins. It supports UART, IIC, and SPI serial communication ports. All these features make it a perfect fit for either space-limited projects such as wearables, or a production-ready unit for your PCBA designs. (check out ourFusion one-stop prototyping and manufacturing services to explore what support you can get!).
Note
Please note that the classic pin heads for XIAO are not included in this product as we want to avoid component wastes (we got this input from the community and we want to contribute a bit to a greener earth). If you want to equip your XIAO ESP32C6 with the pinheads, you canclick here to add it to your cart with ease.
It's super developer-friendly to get started with XIAO ESP32C6 too. Compatible with both Arduino and ESP-IDF, it offers developers the way you prefer to tinker around. Moreover, we also provide the starter kit along with courses for beginners to quickly tap into the world of electronics.
Application
Secure and Connected Smart Home, enhancing everyday life through automation, remote control, and more

Space-limited and Battery-Powered Wearables,thanks to their thumb-size and low-power consumption

Wireless IoT Scenarios, enabling rapid, reliable data transmission

Specification Comparison
Product |
XIAO ESP32C6 |
XIAO ESP32C3 |
XIAO ESP32S3 |
Processor |
Espressif ESP32-C6 SoC |
Espressif ESP32-C3 SoC |
Espressif ESP32-S3R8 |
two 32-bit RISC-Vprocessors, with the high-performance one running up to 160 MHz, and the low-power one clocking up to 20 MHz |
RISC-V single-core 32-bit chip processor with a four-stage pipeline that operates at up to 160 MHz |
Xtensa LX7 dual-core, 32-bit processor running up to 240 MHz |
|
Wireless |
Complete 2.4GHz Wi-Fi 6 subsystem |
Complete 2.4GHz Wi-Fi subsystem |
Complete 2.4GHz Wi-Fi subsystem |
BLE: Bluetooth 5.0, Bluetooth mesh |
BLE: Bluetooth 5.0, Bluetooth mesh |
BLE: Bluetooth 5.0, Bluetooth mesh |
|
Zigbee,Thread,IEEE 802.15.4 |
/ |
/ |
|
On-chip Memory |
512KB SRAM & 4MB Flash |
400KB SRAM & 4MB Flash |
8M PSRAM & 8MB Flash |
Interface |
1x UART,1x LP_UART, 1x IIC, 1x LP_IIC, 1x SPI,11x GPIO(PWM), 7x ADC, 1xSDIO |
1x UART, 1x IIC, 1x SPI,11x GPIO(PWM), 4x ADC |
1x UART, 1x IIC, 1x IIS, 1x SPI,11x GPIO(PWM), 9x ADC, 1x User LED, 1x Charge LED |
1x Reset button, 1x Boot button |
1x Reset button, 1x Boot button |
1x Reset button, 1x Boot button |
|
Dimensions |
21 x 17.5mm |
21 x 17.5mm |
21 x 17.5mm |
Power |
Input voltage (Type-C): 5V Input voltage (BAT): 4.2V |
Input voltage (Type-C): 5V Input voltage (BAT): 4.2V |
Input voltage (Type-C): 5V Input voltage (BAT): 4.2V |
|
Circuit operating Voltage (ready to operate): - USB:5V@9mA - BAT:3.8V@9mA |
Circuit operating Voltage (ready to operate): - USB:5V@9mA - BAT:3.8V@9mA |
Circuit operating Voltage (ready to operate): - Type-C: 5V@19mA - BAT: 3.8V@22mA |
|
Charging battery current:100mA |
Charging battery current: 350mA |
Charging battery current: 100mA |
|
|
Power Consumption Model (Supply Power: 3.8V) |
Modem-sleep Model: ~ 30 mA Light-sleep Model: ~ 2.5 mA Deep Sleep Model: ~15 μA |
Modem-sleep Model: ~ 24 mA Light-sleep Model: ~ 3 mA Deep Sleep Model: ~44 μA |
Modem-sleep Model: ~ 25 mA Light-sleep Model: ~ 2mA Deep Sleep Model: ~ 14 μA |
Working Temperature |
-40°C ~ 85°C |
-40°C ~ 85°C |
-40°C ~ 65°C |
Seeeduino XIAO
Features:
Powerful CPU: ARM® Cortex®-M0+ 32bit 48MHz microcontroller(SAMD21G18) with 256KB Flash,32KB SRAM
Flexible compatibility: Compatible with for Arduino IDE
Easy project operation: Breadboard-friendly
Small size: As small as a thumb(20x17.5mm) for wearable devices and small projects.
Multiple development interfaces: 11 digital/analog pins, 10 PWM Pins, 1 DAC output, 1 SWD Bonding pad interface, 1 I2C interface, 1 UART interface, 1 SPI interface.
Description:
Take a look at Seeeduino XIAO. What a small size and cute looking! It is the smallest member of the Seeeduino family. Seeeduino XIAO still carries the powerful CPU-ARM® Cortex®-M0+(SAMD21G18) which is a low-power for Arduino microcontroller. On the other hand, this little board has good performance in processing but needs less power. As a matter of fact, it is designed in a tiny size and can be used for Arduino wearable devices and small projects.
Apart from the strong CPU, Seeeduino XIAO is excellent in many other functions. It has 14 GPIO PINs, which can be used for 11 analog PINs, 11 digital PINs, 1 I2C interface, 1 UART interface, and 1 SPI interface. Some PINs have various functions, A1/D1 to A10/D10 Pins have PWM functions and Pin A0/D0 has a function of DAC which means you can get true analog signals not PWM signals when you define it as an analog pin, that’s why 14 GPIO PINs can realize more I/O PINs and interfaces. Moreover, Seeeduino XIAO supports the USB Type-C interface which can supply power and download code. There are power pads at the back of the XIAO which support battery and make it designed for wearable devices to become realistic. Except for the power LED, we add a user LED on board for your better coding experience. Usually a Dev. Board as small as this size will use the chip’s inner crystal oscillator for time fixing, in order to make the clock more accurate, Seeeduino XIAO layouts an extra 32.768KHz to make the clock more stable.
Specification:
CPU: ARM Cortex-M0+ CPU(SAMD21G18) running at up to 48MHz
Storage: 256KB Flash,32KB SRAM
I/O PINs: 14 GPIO PINs,11 analog PINs, 11 digital PINs, 1 DAC output Pin
Interface: 1 I2C interface,1 UART interface, 1 SPI interface
Power supply and downloading interface: USB Type-C interface
LEDs: 1 user LED, 1 power LED, two LEDs for serial port downloading
Reset button: two reset button short connect to reset
Power Pads: For the battery power supply
Software compatibility: Compatible with for Arduino IDE
Projection cover for protecting the circuit
Dimensions: 20x17.5x3.5 mm
Typical Application:
Wearable devices
Rapid prototyping (directly attached to the expanded PCB as a minimal system)
Perfect for all the projects need mini for Arduino
DIY keyboard
USB development (USB to multi-channel TTL/USB host mode, etc.)
A scenario where you need to read multiple mock values The DAC output
Hardware Pinout



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- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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