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SAMD21 M0 Wemos Uno compatible board, 3.3V, 32-bit ARM


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Out of stock

The SAMD21 M0 represents a powerful, 32-bit extension of the Arduino UNO platform. The board is powered by Atmel’s SAMD21 MCU, featuring a 32-bit ARM Cortex® M0+ core.
It is compatible with Arduino M0.

The SAMD21 M0 board expands the family by providing increased performance, enabling a variety of project opportunities for devices, and acts as a great educational tool for learning about 32-bit application development. The Zero applications span from smart IoT devices, wearable technology, high-tech automation, to crazy robotics. 

For additional information, see the Arduino M0 product page.product page:

Note that this board is NOT identical to the Arduino M0! It is however very similar. Most(if not all) sketches that run on the Arduino M0 will run on this board.

The following pages also provide additional information, and usage tutorial:


  • Microcontroller ATSAMD21G18 48pins LQFP
  • Power Out 3.3V-800mA
  • Power IN. USB 5V
  • Power IN. VIN/DC Jack 4-12V
  • Power Consumption 3.3V 220mA
  • Logic Level 3.3V
  • USB Micro USB
  • Clock Frequency 32KHz
  • Operating Supply Voltage 3.3V
  • GPI/O 27
  • Digital I/O 21(12-PWM)
  • Analog I/O 6
  • Data RAM Type/Size 32Kb
  • Data ROM Type/Size 256Kb
  • Interface Type ISP
  • Operating temperature −40С°/+85С°
  • Length×Width 53.34×68.58mm

Package Includes

1 x SAMD21 M0 Wemos Uno compatible board

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SKU: SAM0-000 Categories: , , Tags: , , ,
Weight25 g

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