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Seeeduino XIAO - Arduino Microcontroller - SAMD21 Cortex M0+

SKU
102010328
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100% of 100

Seeeduino XIAO is the smallest Arduino compatible board in Seeeduino Family. It is an Arduino microcontroller that is embedded with the SAMD21 microchip. The interfaces of Seeeduino XIAO is rich enough in such a tiny Dev. Board as well.

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PRODUCT DETAILS

Key Features

  • Powerful CPU: ARM® Cortex®-M0+ 32bit 48MHz microcontroller(SAMD21G18) with 256KB Flash,32KB SRAM
  • Flexible compatibility: Compatible with 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 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.

 

Seeeduino XIAO is perfectly compatible with Arduino IDE, you can easily develop some small projects with the help of the large and comprehensive Arduino library. So get one and you will soon love it!

Attention

All the I/O pins are 3.3V, please do not input more than 3.3V, otherwise, the CPU may be damaged.

This is the Wiki of the Seeeduino XIAO, you can view the basic settings of running the board. 

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 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 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

Demo

Community Projects

We have collected various projects from the community and will keep updated in the blog Seeeduino XIAO community projects collection. What will be your next project idea made by Seeeduino XIAO?

USB HID Macropad built with Seeeduino Xiao & CircuitPython via Andy Warburton

Running usual pyportal_boing on Seeeduino XIAO + TinyGo via @sago35tk

Hardware Pinout

Part List

  • 1 x Seeeduino XIAO - Arduino Microcontroller - SAMD21 Cortex M0+ 
  • 2 x 7pins header
  • 4 x pasters

Note

We are going to bring new add-ons to extend functionalities based on the community needs, so we are looking forward to any suggestions you guys have! Let us know in the forum, we will carefully listen to and take action!

ECCN/HTS

HSCODE 8543709990
USHSCODE 8471490000
UPC

LEARN AND DOCUMENTS

Learn

This is the wiki page for this product, which will show you how to use the product, as well as details about the software and hardware.
Pocket Distance Alarm - Keep 1m Away from Me -Seeeduino Xiao
A portable distance alarm that will give light and sound warning when people get into your one-meter circle.
A portable distance alarm that will give light and sound warning when people get into your one meter circle.
Pocket Distance Alarm using Grove Shield for Seeeduino XIAO, no jumper wire soldering any more!
This spider will keep quiet in the dark. But once there is light, the spider will start to vibrate, avoiding the light.
You can change the PMW frequency to award different beep sound to get a "buzzer music".
Water Quality Station using Seeeduino XIAO that detects TDS, turbidity, and water level.
Using Seeeduino XIAO is the way to go. But one might think it is an Arduino compatible development board and might be confused about how it can be used to connect to a Raspberry Pi.
Grove Shield for Seeeduino XIAO video
[Documentation] Seeeduino XIAO HDK
This is the HDK for Seeeduino XIAO
- "Apple junior, you take charge of 1 " -- "Aye!" - "Uncle banana, you play 2" -- "Oh, no, I want 7." - “Miss Orange, please sing 5 ” -- "So sweet, I always love 5."
The Grove - TDS Sensor detects the TDS (Total Dissolved Solids) levels in the water which can be used to indicate the water quality. The Grove - TDS Sensor can be applied in water quality applications such as TDS meter, Well water, Aquarium, Hydroponics and etc.
The Grove - TDS Sensor detects the TDS (Total Dissolved Solids) levels in water which can be used to indicate the water quality. The Grove - TDS Sensor can be applied in water quality applications such as TDS meter, Well water, Aquarium, Hydroponics and etc.
How to make your own LoRa mesh sensors with the latest member of the Ripple mesh family!
A mini fireplace with burning flame surrounded by ice, to make a song of ice and fire in your home. For fans of Game of Thrones.
Learn Image
Vitamin D decreases susceptibility to COVID-19. Humans make Vitamin D via sun exposure. Sunkeeper measures how much sun you have absorbed.
Believe it or not, we can program this tiny board using Python, a staggering achievement of engineering.

SHARED BY USERS

REVIEWS

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  1. Rating
    100%
    XIAO Micro
    This is a really tiny micro board, but has the power to be very useful despite its size. Setting it up to talk to a lightning detector and drive an oled colour screen barely made it sweat. I like the tiny form factor, and the reduced number of external pins to make it this small isn’t a problem for controlling spi or i2c devices.

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