Arduino MKR Zero

SKU: rz24323767
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  1. Microcontroller: SAMD21 Cortex-M0+ 32bit low power ARM MCU
  2. Board Power Supply (USB/VIN): 5V
  3. Supported Battery(*): Li-Po single cell, 3.7V, 700mAh minimum
  4. DC Current for 3.3V Pin: 600mA
  5. Comes with a micro SD card holder


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The MKR ZERO board acts as a great educational tool for learning about 32-bit application development. It has an onboard SD connector with dedicated SPI interfaces (SPI1) that allows you to play with MUSIC files with no extra hardware!  The board is powered by Atmel’s SAMD21 MCU, which features a 32-bit ARM Cortex® M0+ core.
The board contains everything needed to support the microcontroller; simply connect it to a computer with a micro-USB cable or power it with a LiPo battery. The battery voltage can also be monitored since a connection between the battery and the analog converter of the board exists.


Arduino MKR Zero


Note: Unlike most Arduino & Genuino boards, the MKRZero runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Applying voltages higher than 3.3V to any I/O pin could damage the board.


  1. Using the popular Arm® Cortex®-M0 32-bit SAMD21 processor
  2. Comes with a micro SD card holder

Package includes:

1 x Arduino MKR Zero

Additional information

Microcontroller Chip

SAMD21 Cortex-M0+ 32bit low power ARM MCU

Operating Voltage (VDC)


Input Voltage(Recommended)

5 V

Analog I/O Pins

Input Pins:7, Output Pins:1

Digital I/O Pins


PWM Digital I/O Pins


Clock Speed


Flash Memory

256 KB


32 KB

DC Current for 3.3V Pin (mA)


Dimensions in mm (LxWxH)