Seeeduino XIAO

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    Description

    Note: Seeduino XIAO now comes with a FREE pdf course. Kindly refer to the "Resources" section to access the course.

     

    Seeed 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".

     

    Seeed Studio XIAO SAMD21 is the pioneer, universal development board, extremely popular around the communities and derived a sight of projects. It is the perfect microcontroller for you to get started with electronics. 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.

     

     

    Seeed Studio XIAO SAMD21 carries the powerful CPU-ARM® Cortex®-M0+(SAMD21G18) running at up to 48Hz. In addition to the powerful CPU, it has 256KB Flash and 32KB SRAM on board and supports the USB Type-C interface which can supply power and download code.

     

    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 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.

     

    Except for the power LED, we add a user LED on board for a 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.

     

    Moreover, Seeed Studio XIAO SAMD21 is friendly to the communities for its strong software compatibilities, which support Arduino, Micropython, and CircuitPython. Except for the software, flexible I/O allows it to speak to almost any external device.

     

    Note: All the I/O pins are 3.3V, please DO NOT input more than 3.3V, otherwise, the CPU may be damaged.

    Note: You will need a USB-C cable to power and program this tiny microcontroller board.

    Note: In Cytron we already have 3 XIAO products based on different solutions in the Xiao family, to help you better understand the differences and choose the most suitable part for your projects, please refer to the Seeed Studio XIAO Series Page.

     

    Typical Application:

    • Wearable devices
    • Rapid prototyping (directly attached to the expanded PCB as a minimal system)
    • Perfect for all the projects that 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

     

    Warranty Period: 12 months
    Features
    • High Performance: Powered by SAMD21G18 chip, operating up to 48MHz, equipped with 32KB of SRAM, and 256KB of onboard flash memory
    • Ultra-small Design: 21 x 17.5mm, Seeed Studio XIAO series classic form factor, suitable for wearable devices
    • Multiple Development Interfaces: 11x analog / 11x digital Pins, 1x I2C interface, 1x UART port, and 1 SPI port
    • Multiple Develop Platform: Support Arduino / Micropython / CircuitPython development, friendly for beginners, satisfied for electronics enthusiasts
    • Perfect for Production: Breadboard-friendly & SMD design, no components on the back

     

    Specifications:

    • 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
      • 2 LEDs for serial port downloading
    • Reset button: Two reset buttons short-connect to reset
    • Software Compatibility: Arduino IDE
    • Dimensions: 20mm x 17.5mm x 3.5mm

     

    Packing List
    • 1 x Seeeduino XIAO (without header)
    • 4 x Sticker

     

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    Tags: Smallest 32-bit ARM Arduino, SAMD21