Name: Seeeduino XIAO SAMD21
Brand: ThinkRobotics.in
SKU: SBC1062
Price: 499.99 INR
Availability: InStock

{"id":9114377978173,"title":"Seeeduino XIAO SAMD21","handle":"xiao-samd21","description":"\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003eSeeed Studio XIAO Series are diminutive development boards, sharing a similar hardware structure, where the size is literally thumb-sized. The code name \"XIAO\" here represents its half feature \"Tiny\", and the other half will be \"Puissant\".\u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003eXIAO SAMD21 powered by SAMD21G18 chip is an ultra-small, high-performance universal development board, the pioneering product of the XIAO series. It supports Arduino \/ Micropython \/ CircuitPython development, which is the perfect microcontroller for you to get started with electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePowered by\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/files.seeedstudio.com\/wiki\/Seeeduino-XIAO\/res\/ATSAMD21G18A-MU-Datasheet.pdf\" rel=\"noopener\" target=\"_blank\"\u003eSAMD21G18\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003echip, operating up to 48MHz, equipped with 32KB of SRAM, and 256KB of onboard flash memory\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eUltra-small Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e21 x 17.5mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eMultiple Development Interfaces:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e11x analog \/ 11x digital Pins, 1x I2C interface, 1x UART port, and 1 SPI port\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eMultiple Develop Platform:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupport Arduino \/ Micropython \/ CircuitPython development, friendly for beginners, satisfied for electronics enthusiasts\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003ePerfect for Production:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBreadboard-friendly \u0026amp; SMD design, no components on the back\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-style=\"text-align: justify;\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eSeeed Studio XIAO SAMD21 carries the powerful CPU-ARM® Cortex®-M0+(\u003cstrong\u003eSAMD21G18\u003c\/strong\u003e) running at up to 48Hz. In addition to the powerful CPU, it has\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e256KB Flash and 32KB SRAM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon board and supports the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUSB Type-C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einterface which can supply power and download code.\u003c\/p\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eSeeed Studio XIAO SAMD21 has 14 PINs, which can be used for 11 digital interfaces, 11 mock interfaces, 10 PWM interfaces (d1-d10), 1 DAC output pin D0, 1 SWD pad interface, 1 I2C interface, 1 SPI interface, 1 UART interface, Serial communication indicator (T\/R), Blink light (L) through pin multiplexing. The colors of LEDs(Power,L,RX,TX) are green, yellow, blue and blue. Moreover, Seeed Studio XIAO SAMD21 has a Type-C interface which can supply power and download code. There are two reset button, you can short connect them to reset the board.\u003c\/p\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eExcept 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, Seeed Studio XIAO SAMD21 layouts an extra 32.768KHz to make the clock more stable.\u003c\/p\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eMoreover, Seeed Studio XIAO SAMD21 is friendly to the communities for its strong software compatibilities, which supports Arduino, Micropython, and CircuitPython. Except for the software, flexible I\/O allows it to speak to almost any external device.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.7 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan style=\"color: #c20000;\"\u003e\u003ca style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem; color: #c20000;\" rel=\"noopener\" href=\"https:\/\/files.seeedstudio.com\/wiki\/XIAO\/Seeed-Studio-XIAO-Series-SOM-Datasheet.pdf\" target=\"_blank\"\u003eXIAO SoM User Manual\u003c\/a\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eopen-sources all hardware and software materials of XIAO, providing professional product design guidelines to help you accelerate ideas off the ground, streamline product design, providing a seamless experience from module selection to mass production. You can check\u003c\/span\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003ca style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem; color: #c20000;\" rel=\"noopener\" href=\"https:\/\/www.seeedstudio.com\/blog\/2023\/02\/23\/xiao-som-user-manual-the-ultimate-guide-to-streamline-product-design-providing-seamless-experience-from-module-selection-to-mass-production\/\" target=\"_blank\"\u003ehere\u003c\/a\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eto see more info.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"document\"\u003eSpecification\u003cbr\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003ctable border=\"1\" data-style=\"border-collapse: collapse; width: 100%; height: 180px;\"\u003e\n\u003ctbody\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 54px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 54px;\"\u003eCPU\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 54px;\"\u003eARM Cortex-M0+ CPU(SAMD21G18) running at up to 48MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eStorage\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e256KB Flash,32KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eI\/O PINs\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e14 GPIO PINs,11 analog PINs, 11 digital PINs, 1 DAC output Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eInterface\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e1 I2C interface,1 UART interface, 1 SPI interface, USB Type-C interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eLEDs\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e1 user LED, 1 power LED, and two LEDs for serial port downloading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eReset button\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003etwo reset buttons short connect to reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eSoftware compatibility\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eArduino IDE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-style=\"width: 50%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%;\"\u003e21x17.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003e \u003c\/h2\u003e\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWearable devices\u003c\/li\u003e\n\u003cli\u003eRapid prototyping (directly attached to the expanded PCB as a minimal system)\u003c\/li\u003e\n\u003cli\u003ePerfect for all the projects that need a mini Arduino\u003c\/li\u003e\n\u003cli\u003eDIY keyboard\u003c\/li\u003e\n\u003cli\u003eUSB development (USB to multi-channel TTL\/USB host mode, etc.)\u003c\/li\u003e\n\u003cli\u003eIn a scenario where you need to read multiple mock values The DAC output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eHardware Pinout\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/files.seeedstudio.com\/products\/102010328\/img\/Seeeduino-XIAO-pin-out.jpg\" data-src=\"https:\/\/files.seeedstudio.com\/products\/102010328\/img\/Seeeduino-XIAO-pin-out.jpg\" data-original=\"https:\/\/files.seeedstudio.com\/products\/102010328\/img\/Seeeduino-XIAO-pin-out.jpg\" height=\"700\" width=\"700\" class=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003ePart List\u003c\/h2\u003e\n\u003ctable style=\"width: 60%;\"\u003e\n\u003ctbody\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eSeeed Studio XIAO SAMD21\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003ePasters\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","published_at":"2024-02-27T01:18:42+05:30","created_at":"2024-02-27T00:56:58+05:30","vendor":"ThinkRobotics.in","type":"","tags":["102010328","Arduino","CircuitPython","Cortex","dev","dev kit","Development","Kit","M0+","MCP2515","SAMD21","SAMD21G18","SEEED","SEEEDSTD","Seeeduino","XIAO"],"price":49999,"price_min":49999,"price_max":49999,"available":true,"price_varies":false,"compare_at_price":69999,"compare_at_price_min":69999,"compare_at_price_max":69999,"compare_at_price_varies":false,"variants":[{"id":47933223207229,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SBC1062","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Seeeduino XIAO SAMD21","public_title":null,"options":["Default Title"],"price":49999,"weight":50,"compare_at_price":69999,"inventory_management":"shopify","barcode":"47933223207229","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-1.jpg?v=1708976487","\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-2.png?v=1708976487","\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-4.png?v=1708976487","\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-3.png?v=1708976487","\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-5.png?v=1708976487"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-1.jpg?v=1708976487","options":["Title"],"media":[{"alt":null,"id":36575136219453,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1050,"width":1050,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-1.jpg?v=1708976487"},"aspect_ratio":1.0,"height":1050,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-1.jpg?v=1708976487","width":1050},{"alt":null,"id":36575136186685,"position":2,"preview_image":{"aspect_ratio":1.0,"height":850,"width":850,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-2.png?v=1708976487"},"aspect_ratio":1.0,"height":850,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-2.png?v=1708976487","width":850},{"alt":null,"id":36575136121149,"position":3,"preview_image":{"aspect_ratio":1.0,"height":900,"width":900,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-4.png?v=1708976487"},"aspect_ratio":1.0,"height":900,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-4.png?v=1708976487","width":900},{"alt":null,"id":36575136153917,"position":4,"preview_image":{"aspect_ratio":1.0,"height":850,"width":850,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-3.png?v=1708976487"},"aspect_ratio":1.0,"height":850,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-3.png?v=1708976487","width":850},{"alt":null,"id":36575136088381,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1100,"width":1100,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-5.png?v=1708976487"},"aspect_ratio":1.0,"height":1100,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SBC1062-5.png?v=1708976487","width":1100}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003eSeeed Studio XIAO Series are diminutive development boards, sharing a similar hardware structure, where the size is literally thumb-sized. The code name \"XIAO\" here represents its half feature \"Tiny\", and the other half will be \"Puissant\".\u003c\/p\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt\"\u003eXIAO SAMD21 powered by SAMD21G18 chip is an ultra-small, high-performance universal development board, the pioneering product of the XIAO series. It supports Arduino \/ Micropython \/ CircuitPython development, which is the perfect microcontroller for you to get started with electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePowered by\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/files.seeedstudio.com\/wiki\/Seeeduino-XIAO\/res\/ATSAMD21G18A-MU-Datasheet.pdf\" rel=\"noopener\" target=\"_blank\"\u003eSAMD21G18\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003echip, operating up to 48MHz, equipped with 32KB of SRAM, and 256KB of onboard flash memory\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eUltra-small Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e21 x 17.5mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eMultiple Development Interfaces:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e11x analog \/ 11x digital Pins, 1x I2C interface, 1x UART port, and 1 SPI port\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003eMultiple Develop Platform:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupport Arduino \/ Micropython \/ CircuitPython development, friendly for beginners, satisfied for electronics enthusiasts\u003c\/li\u003e\n\u003cli class=\"paragraph text-align-type-left pap-line-1 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\n\u003cstrong\u003ePerfect for Production:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBreadboard-friendly \u0026amp; SMD design, no components on the back\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-style=\"text-align: justify;\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eSeeed Studio XIAO SAMD21 carries the powerful CPU-ARM® Cortex®-M0+(\u003cstrong\u003eSAMD21G18\u003c\/strong\u003e) running at up to 48Hz. In addition to the powerful CPU, it has\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e256KB Flash and 32KB SRAM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon board and supports the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUSB Type-C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einterface which can supply power and download code.\u003c\/p\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eSeeed Studio XIAO SAMD21 has 14 PINs, which can be used for 11 digital interfaces, 11 mock interfaces, 10 PWM interfaces (d1-d10), 1 DAC output pin D0, 1 SWD pad interface, 1 I2C interface, 1 SPI interface, 1 UART interface, Serial communication indicator (T\/R), Blink light (L) through pin multiplexing. The colors of LEDs(Power,L,RX,TX) are green, yellow, blue and blue. Moreover, Seeed Studio XIAO SAMD21 has a Type-C interface which can supply power and download code. There are two reset button, you can short connect them to reset the board.\u003c\/p\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eExcept 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, Seeed Studio XIAO SAMD21 layouts an extra 32.768KHz to make the clock more stable.\u003c\/p\u003e\n\u003cp data-style=\"text-align: justify;\"\u003eMoreover, Seeed Studio XIAO SAMD21 is friendly to the communities for its strong software compatibilities, which supports Arduino, Micropython, and CircuitPython. Except for the software, flexible I\/O allows it to speak to almost any external device.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"paragraph text-align-type-left pap-line-1.7 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan style=\"color: #c20000;\"\u003e\u003ca style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem; color: #c20000;\" rel=\"noopener\" href=\"https:\/\/files.seeedstudio.com\/wiki\/XIAO\/Seeed-Studio-XIAO-Series-SOM-Datasheet.pdf\" target=\"_blank\"\u003eXIAO SoM User Manual\u003c\/a\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eopen-sources all hardware and software materials of XIAO, providing professional product design guidelines to help you accelerate ideas off the ground, streamline product design, providing a seamless experience from module selection to mass production. You can check\u003c\/span\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003ca style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem; color: #c20000;\" rel=\"noopener\" href=\"https:\/\/www.seeedstudio.com\/blog\/2023\/02\/23\/xiao-som-user-manual-the-ultimate-guide-to-streamline-product-design-providing-seamless-experience-from-module-selection-to-mass-production\/\" target=\"_blank\"\u003ehere\u003c\/a\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eto see more info.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"document\"\u003eSpecification\u003cbr\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003ctable border=\"1\" data-style=\"border-collapse: collapse; width: 100%; height: 180px;\"\u003e\n\u003ctbody\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 54px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 54px;\"\u003eCPU\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 54px;\"\u003eARM Cortex-M0+ CPU(SAMD21G18) running at up to 48MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eStorage\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e256KB Flash,32KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eI\/O PINs\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e14 GPIO PINs,11 analog PINs, 11 digital PINs, 1 DAC output Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eInterface\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e1 I2C interface,1 UART interface, 1 SPI interface, USB Type-C interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eLEDs\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e1 user LED, 1 power LED, and two LEDs for serial port downloading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eReset button\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003etwo reset buttons short connect to reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eSoftware compatibility\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eArduino IDE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-style=\"width: 50%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%;\"\u003e21x17.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"document\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003e \u003c\/h2\u003e\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWearable devices\u003c\/li\u003e\n\u003cli\u003eRapid prototyping (directly attached to the expanded PCB as a minimal system)\u003c\/li\u003e\n\u003cli\u003ePerfect for all the projects that need a mini Arduino\u003c\/li\u003e\n\u003cli\u003eDIY keyboard\u003c\/li\u003e\n\u003cli\u003eUSB development (USB to multi-channel TTL\/USB host mode, etc.)\u003c\/li\u003e\n\u003cli\u003eIn a scenario where you need to read multiple mock values The DAC output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eHardware Pinout\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/files.seeedstudio.com\/products\/102010328\/img\/Seeeduino-XIAO-pin-out.jpg\" data-src=\"https:\/\/files.seeedstudio.com\/products\/102010328\/img\/Seeeduino-XIAO-pin-out.jpg\" data-original=\"https:\/\/files.seeedstudio.com\/products\/102010328\/img\/Seeeduino-XIAO-pin-out.jpg\" height=\"700\" width=\"700\" class=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003ePart List\u003c\/h2\u003e\n\u003ctable style=\"width: 60%;\"\u003e\n\u003ctbody\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003eSeeed Studio XIAO SAMD21\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-style=\"height: 18px;\"\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003ePasters\u003c\/td\u003e\n\u003ctd data-style=\"width: 50%; height: 18px;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e"}

Seeeduino XIAO SAMD21

Features

Description

Specification

Application

Hardware Pinout

Part List

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Parameter	Description
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, USB Type-C interface
LEDs	1 user LED, 1 power LED, and two LEDs for serial port downloading
Reset button	two reset buttons short connect to reset
Software compatibility	Arduino IDE
Dimensions	21x17.5 mm