Seeeduino XIAO SAMD21

Price range: £9.00 through £9.50

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Seeeduino XIAO SAMD21 Microcontroller.

Smallest Arduino Compatible Microcontroller with plenty of storage and speed, so great for wearable props and small props with limited space.

Compatibility:

  • Fully compatible with Arduino software and hardware.
  • Works with Arduino IDE for easy programming and uploading of sketches.
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Seeeduino XIAO SAMD21 Microcontroller

Seeeduino XIAO SAMD21 powered by Microchip 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.

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 17.8mm, 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

How to Add the Seeeduino XIAO board package to Arduino IDE

  1. Open Arduino IDE 
  2. Arduino IDE: Go to File > Preferences
  3. In Additional Boards Manager URLs, enter the following URL: https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json
  4. Go to Tools > Board
  5. LOOK FOR “Seeed SAMD”
  6. Select “Seeeduino XIAO” and select it
  7. Select the serial device of the Arduino board from the Tools | Serial Port menu

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, 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: 21mm x 17.8mm

IMPORTANT NOTICE: All the I/O pins are 3.3V, please do not input more than 3.3V, otherwise you will damage the CPU..

 

Very Important: Please make sure you double check the polarity of all connections before attaching any power.

Please Note: DIY electronics are meant for those with basic electrical knowledge and soldering skills.

 

Before placing your order, please make sure you are fully aware of the Shipping Policy.

 

Datasheet

Seeeduino XIAO SAMD21 Datasheet

DOWNLOAD DATASHHET

VIEW DATASHHET

Select Pin Option

Yes – Pre-Soldered, No – Not Soldered

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Seeeduino XIAO SAMD21
Seeeduino XIAO SAMD21
Price range: £9.00 through £9.50