{"title":"Seeed Studio XIAO Boards","description":"The Seeed Studio XIAO series is a family of ultra-compact, Arduino-compatible development boards designed for embedded systems, IoT, robotics, wearables, and TinyML applications. Despite their small 21 × 17.8 mm footprint, XIAO boards are available with powerful microcontrollers including ESP32, RP2040, RP2350, nRF52840, SAMD21, and more, making them suitable for a wide range of projects. Browse our range of genuine Seeed Studio XIAO boards, and pair them with compatible \u003ca href=\"https:\/\/zaitronics.com.au\/collections\/seeed-studio-xiao-expansion-breakout-boards\"\u003eSeeed Studio XIAO Expansion \u0026amp; Breakout Boards\u003c\/a\u003e for easier prototyping and additional connectivity.","products":[{"product_id":"seeed-studio-xiao-samd21-cortex-m0-seeeduino-xiao","title":"Seeed Studio XIAO SAMD21 Cortex M0+ (Seeeduino XIAO)","description":"\u003cp\u003eThe original XIAO. Launched in 2019, the \u003cstrong\u003eSeeed Studio XIAO SAMD21\u003c\/strong\u003e (also known as the Seeeduino XIAO) is the board that started the XIAO family and set the standard for what a thumb-sized dev board could do. At just \u003cstrong\u003e21 x 17.8mm\u003c\/strong\u003e, it packs a full \u003cstrong\u003eARM Cortex-M0+ processor\u003c\/strong\u003e, native USB, and an 11-pin analog\/digital I\/O footprint into a form factor small enough to disappear inside a wearable, keychain, or tight enclosure.\u003c\/p\u003e\n\u003cp\u003eThis board ships with headers not fitted, giving you the flexibility to solder your own headers, wires, or castellated mounting depending on your project. Need it ready to plug straight into a breadboard or Grove module? Grab the \u003ca href=\"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-samd21-cortex-m0-seeeduino-xiao-soldered\"\u003epre-soldered version\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the XIAO SAMD21?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeginner-friendly, no shortcuts on capability\u003c\/strong\u003e - native Arduino IDE support means you're writing real code and running real projects from your first upload, backed by free courses, tutorials, and a large community of reference projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiny footprint, full feature set\u003c\/strong\u003e - 14 GPIO pins, 11 analog pins, DAC, I2C, UART, and SPI, all packed onto a board smaller than a 20-cent coin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive expansion ecosystem\u003c\/strong\u003e - drop straight into the XIAO Expansion Board, Grove system (400+ compatible modules), CAN-Bus and LoRa modules, LED matrices, ePaper and round displays, mmWave sensors, GPS modules, mic arrays, and more - no soldering or prior electronics experience required to start prototyping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-platform software support\u003c\/strong\u003e - Arduino, PlatformIO, MicroPython, CircuitPython, and Zephyr are all supported, so the board grows with you as your skills do.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to last\u003c\/strong\u003e - rated for a -40°C to 85°C working range, making it just as suited to outdoor or enclosure-mounted projects as desktop prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cp\u003eWearables, compact IoT sensors, USB HID devices, battery-powered projects, and anyone who wants the full Arduino experience without the footprint of a full-size Uno or Nano.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicrochip SAMD21G18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eARM Cortex-M0+ @ up to 48 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRAM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e256KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGPIO\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 pins (11 digital, 11 analog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x DAC, 1x I2C, 1x UART, 1x SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUser LED, Power LED, TX\/RX status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V via USB Type-C or BAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V @ 500mA, 3.3V @ 200mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino, PlatformIO, MicroPython, CircuitPython, Zephyr, and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 x 17.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePinout\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/sam21_pinout_1024x1024.webp?v=1785917860\" alt=\"Seeed Studio XIAO SAMD21 Pinout\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eLearn More\u003c\/h2\u003e\n\u003cp\u003eFull setup guides, pinout diagrams, and project examples are available on the \u003ca href=\"https:\/\/wiki.seeedstudio.com\/Seeeduino-XIAO\/#resourses\"\u003eSeeed Studio Wiki\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eLooking to expand your build? Check out our full range of \u003ca href=\"https:\/\/zaitronics.com.au\/collections\/seeed-studio-xiao-expansion-breakout-boards\"\u003eXIAO Expansion \u0026amp; Breakout Boards\u003c\/a\u003e.\u003c\/p\u003e","brand":"Seeed Studio","offers":[{"title":"Default Title","offer_id":55984016163108,"sku":"SS102010328","price":10.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/5-102010328-seeed-studio-xiao-samd21-all.jpg?v=1785916156"},{"product_id":"seeed-studio-xiao-samd21-cortex-m0-seeeduino-xiao-soldered","title":"Seeed Studio XIAO SAMD21 Cortex M0+ (Seeeduino XIAO) - Soldered","description":"\u003cp\u003eThe original XIAO. Launched in 2019, the \u003cstrong\u003eSeeed Studio XIAO SAMD21\u003c\/strong\u003e (also known as the Seeeduino XIAO) is the board that started the XIAO family and set the standard for what a thumb-sized dev board could do. At just \u003cstrong\u003e21 x 17.8mm\u003c\/strong\u003e, it packs a full \u003cstrong\u003eARM Cortex-M0+ processor\u003c\/strong\u003e, native USB, and an 11-pin analog\/digital I\/O footprint into a form factor small enough to disappear inside a wearable, keychain, or tight enclosure.\u003c\/p\u003e\n\u003cp\u003eThis is the \u003cstrong\u003epre-soldered version\u003c\/strong\u003e - headers are already fitted, so you can plug it straight into a breadboard or Grove module and start building the moment it arrives. Prefer to solder your own headers or need a bare board for a custom mount? Grab the \u003ca href=\"https:\/\/zaitronics.com.au\/products\/seeed-studio-xiao-samd21-cortex-m0-seeeduino-xiao\"\u003eunsoldered version\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the XIAO SAMD21?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeginner-friendly, no shortcuts on capability\u003c\/strong\u003e - native Arduino IDE support means you're writing real code and running real projects from your first upload, backed by free courses, tutorials, and a large community of reference projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiny footprint, full feature set\u003c\/strong\u003e - 14 GPIO pins, 11 analog pins, DAC, I2C, UART, and SPI, all packed onto a board smaller than a 20-cent coin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive expansion ecosystem\u003c\/strong\u003e - drop straight into the XIAO Expansion Board, Grove system (400+ compatible modules), CAN-Bus and LoRa modules, LED matrices, ePaper and round displays, mmWave sensors, GPS modules, mic arrays, and more - no soldering or prior electronics experience required to start prototyping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-platform software support\u003c\/strong\u003e - Arduino, PlatformIO, MicroPython, CircuitPython, and Zephyr are all supported, so the board grows with you as your skills do.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to last\u003c\/strong\u003e - rated for a -40°C to 85°C working range, making it just as suited to outdoor or enclosure-mounted projects as desktop prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cp\u003eWearables, compact IoT sensors, USB HID devices, battery-powered projects, and anyone who wants the full Arduino experience without the footprint of a full-size Uno or Nano - without needing to break out the soldering iron first.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicrochip SAMD21G18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eARM Cortex-M0+ @ up to 48 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRAM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e256KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGPIO\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 pins (11 digital, 11 analog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x DAC, 1x I2C, 1x UART, 1x SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUser LED, Power LED, TX\/RX status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V via USB Type-C or BAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V @ 500mA, 3.3V @ 200mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino, PlatformIO, MicroPython, CircuitPython, Zephyr, and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 x 17.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePinout\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/sam21_pinout_1024x1024.webp?v=1785917860\" alt=\"Seeed Studio XIAO SAMD21 Pinout\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eLearn More\u003c\/h2\u003e\n\u003cp\u003eFull setup guides, pinout diagrams, and project examples are available on the \u003ca href=\"https:\/\/wiki.seeedstudio.com\/Seeeduino-XIAO\/#resourses\"\u003eSeeed Studio Wiki\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eLooking to expand your build? Check out our full range of \u003ca href=\"https:\/\/zaitronics.com.au\/collections\/seeed-studio-xiao-expansion-breakout-boards\"\u003eXIAO Expansion \u0026amp; Breakout Boards\u003c\/a\u003e.\u003c\/p\u003e","brand":"Seeed Studio","offers":[{"title":"Default Title","offer_id":55984057385252,"sku":"SS102010388","price":13.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/2-102010388-seeed-studio-xiao-samd21-_pre-soldered_-45font.jpg?v=1785918070"}],"url":"https:\/\/zaitronics.com.au\/collections\/seeed-studio-xiao-boards.oembed","provider":"Zaitronics","version":"1.0","type":"link"}