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We no longer stock Arduino Zero - 32 bit Cortex M0 Arduino with Debug Interface, but here are current alternatives in Arduino Boards.

Arduino Zero - 32 bit Cortex M0 Arduino with Debug Interface

Arduino Zero - 32 bit Cortex M0 Arduino with Debug Interface

Discontinued

The Arduino Zero is a 32-bit development board based on the Atmel SAMD21 microcontroller, featuring an ARM Cortex-M0+ core. It extends the Arduino UNO form factor with significantly more processing power, making it suitable for IoT devices, wearable technology, automation, and robotics projects.

The board includes Atmel's Embedded Debugger (EDBG), providing a full hardware debug interface without additional equipment. EDBG also supports a virtual COM port for programming and traditional Arduino bootloader functionality.

Key Features

  • SAMD21 MCU – 32-bit ARM Cortex-M0+ core running at 48 MHz
  • Built-In Debugger (EDBG) – Full debug interface with no additional hardware needed
  • Arduino UNO Form Factor – Compatible with many existing shields
  • 3.3 V Logic – Native 3.3 V operation
  • 256 KB Flash / 32 KB SRAM – Ample memory for complex sketches
  • USB Native – Can act as a USB host or device

Specifications

  • Microcontroller: Atmel SAMD21G18A (ARM Cortex-M0+)
  • Clock Speed: 48 MHz
  • Flash Memory: 256 KB
  • SRAM: 32 KB
  • Operating Voltage: 3.3 V
  • Digital I/O Pins: 20 (7 PWM capable)
  • Analogue Input Pins: 6 (12-bit ADC)
  • Analogue Output: 1 (10-bit DAC)
  • Debug Interface: Atmel EDBG (integrated)

Ideal For

  • Learning 32-bit ARM development with Arduino
  • IoT and wearable technology projects
  • Projects requiring hardware debugging
  • USB host/device applications

Resources

Maddy, co-founder of Little Bird

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