Adafruit Feather M0 Express - ATSAMD21 Cortex-M0
Adafruit Feather M0 Express - ATSAMD21 Cortex-M0 - Image 2
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Adafruit Feather M0 Express - ATSAMD21 Cortex-M0 - Image 5
SKU: SBCD-0503
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Adafruit Feather M0 Express - ATSAMD21 Cortex-M0

₹2,179.00 (Inclusive of all taxes)
Out of Stock

The Adafruit Feather M0 Express is a compact, lightweight development board centered around the ATSAMD21G18 ARM Cortex-M0+ microcontroller, specifically designed for seamless integration with CircuitPython. It provides 256KB Flash, 32KB RAM, and 2MB SPI flash for storage, making it an excellent platform for rapid prototyping and embedded applications.

Features

  • Features the powerful ATSAMD21G18 ARM Cortex-M0+ processor clocked at 48MHz.
  • Pre-configured for CircuitPython, offering a beginner-friendly Python development environment.
  • Includes 256KB Flash, 32KB RAM, and an additional 2MB SPI Flash for script and data storage.
  • Integrated USB bootloader for easy programming and serial port debugging.
  • Built-in LiPo battery charger with status LED, enabling portable and low-power projects.

Out of stock

Description

The Adafruit Feather M0 Express stands out as the first Feather board explicitly engineered for the CircuitPython ecosystem. At its core lies the ATSAMD21G18 ARM Cortex-M0+ processor, operating at 48 MHz with 3.3V logic. This microcontroller boasts a substantial 256KB of FLASH memory and 32KB of RAM, providing ample resources for complex scripts and applications. The integrated USB controller facilitates direct programming and serial debugging without the need for external converters, streamlining the development process.

Beyond its core processing capabilities, the Feather M0 Express cleverly utilizes its design to integrate additional features like a Mini NeoPixel for visual feedback, 2MB of SPI Flash for persistent storage, and a small prototyping area. The SPI Flash acts as a compact file system, allowing users to store CircuitPython scripts, libraries, or data logs. This feature significantly enhances its utility for data logging, configuration storage, or simply expanding code capacity. With its comprehensive set of GPIO pins, hardware serial, I2C, SPI, PWM, 12-bit analog inputs, and a 10-bit DAC, the board offers extensive peripheral connectivity for diverse projects.

Key Features

  • Utilizes the ATSAMD21G18 ARM Cortex-M0+ processor running at 48MHz.
  • Offers 256KB of Flash memory and 32KB of RAM for robust program execution.
  • Includes a 32.768 kHz crystal for accurate clock generation and Real-Time Clock (RTC) functions.
  • Equipped with a 3.3V regulator providing up to 500mA peak current output.
  • Native USB support with a pre-installed bootloader for convenient programming and debugging.
  • Features 20 versatile GPIO pins, supporting hardware Serial, I2C, SPI, and PWM outputs.
  • Provides 6 x 12-bit analog input channels and 1 x 10-bit analog output (DAC).
  • Integrated 100mA LiPo battery charger with an LED indicator for portable applications.
  • Incorporates a Mini NeoPixel and 2MB SPI Flash for additional storage and visual feedback.
  • Compact and lightweight design, ideal for space-constrained projects (weighs 5 grams).

Technical Specifications

ProcessorATSAMD21G18 ARM Cortex-M0+
Clock Speed48MHz (main), 32.768 kHz (RTC)
Flash Memory256KB (Internal) + 2MB (SPI Flash)
RAM32KB
Logic/Power Voltage3.3V
Regulator Output Current500mA (peak)
USBNative USB for programming & debugging
Analog Inputs6 x 12-bit ADC
Analog Outputs1 x 10-bit DAC
LiPo Charger100mA with status LED
Dimensions (L x W)51mm x 23mm
Weight5g

Frequently Asked Questions

What microcontroller powers the Adafruit Feather M0 Express and what are its core specifications?

The board features the ATSAMD21G18 ARM Cortex-M0+ microcontroller, operating at 48MHz. It includes 256KB of internal Flash memory and 32KB of RAM, providing a solid foundation for embedded applications. Additionally, it integrates a 2MB SPI Flash for expanded storage.

Which programming environments and languages are best suited for this Feather M0 board?

The Adafruit Feather M0 Express is specifically designed for CircuitPython, making it highly accessible for Python-based development. It also fully supports the Arduino IDE and its vast library ecosystem, allowing C/C++ programming for more performance-critical tasks.

Does the Feather M0 Express support portable power solutions, and how is it programmed?

Yes, it includes a built-in 100mA LiPo battery charger with a status LED, enabling battery-powered projects. Programming is simplified via its native USB port, which supports a USB bootloader and provides serial port debugging, eliminating the need for external USB-to-serial converters.

What kind of additional storage is available on this board for user data or scripts?

Beyond the internal 256KB Flash, the Feather M0 Express features an onboard 2MB SPI Flash chip. This storage acts like a small drive, especially beneficial in CircuitPython for storing code, libraries, and data logs, enhancing its versatility for various applications.

What peripheral interfaces and analog capabilities does the Feather M0 Express offer?

It provides 20 GPIO pins, supporting hardware Serial, I2C, and SPI communication. For analog interactions, it includes six 12-bit analog input channels (ADC) and one 10-bit analog output channel (DAC), allowing for sensor interfacing and analog signal generation.

Package Includes

  • 1 x Adafruit Feather M0 Express - ATSAMD21 Cortex-M0 Board

Additional Information

Weight 0.005 kg
Dimensions 5.1 × 2.3 cm

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