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The Arduino M0 brings 32-bit ARM power to the familiar Arduino Uno form factor. Powered by the Atmel SAMD21 MCU with a 32-bit ARM Cortex-M0+ core running at 48MHz, it offers a significant performance upgrade over 8-bit Arduino boards while maintaining full compatibility with the Uno pinout.

With 256KB of flash memory, 32KB of SRAM, a 12-bit ADC, and a 10-bit DAC, the M0 is well-suited for IoT devices, wearable technologies, robotics, and learning 32-bit application development.

Key Features

  • 32-Bit ARM Cortex-M0+ – SAMD21 MCU running at 48MHz for high-performance processing
  • Arduino Uno Form Factor – Compatible with Uno-footprint shields
  • 12-Bit ADC – 6 analog input channels with higher resolution than 8-bit boards
  • 10-Bit DAC – True analog output on 1 pin
  • 256KB Flash / 32KB SRAM – Generous memory for complex applications
  • 14 Digital I/O Pins – 12 with PWM capability, plus UART
  • 3.3V Logic – Native 3.3V operation

Specifications

  • Microcontroller – ATSAMD21G18 (48-pin LQFP)
  • Operating Voltage – 3.3V
  • Input Voltage – 6–15V recommended (4.5–20V limits)
  • Digital I/O Pins – 14 (12 PWM)
  • Analog Input Pins – 6 (12-bit ADC)
  • Analog Output Pins – 1 (10-bit DAC)
  • DC Current per I/O Pin – 7mA
  • Flash Memory – 256KB
  • SRAM – 32KB
  • Clock Speed – 48MHz
  • Weight – 32g
Note: The Arduino M0 operates at 3.3V logic. Ensure shields and peripherals are compatible with 3.3V I/O levels.

Ideal For

  • IoT devices and connected projects
  • Wearable technology prototyping
  • Robotics and high-tech automation
  • Learning 32-bit ARM development with Arduino

Package Contents

  • 1× Arduino M0

Resources

The Arduino M0 - Arduino UNO platform appears in the following collections:

SKU DF-DFR0378