Feather M0 Bluefruit LE 4.1 - compatible with Arduino - Adafruit 2995

Index: ADA-06572 EAN: 5904422354480

A small module with a microcontroller with ARM Cortex M0 known from the Arduino Zero with built-in Bluetooth 4.1 BLE. Feather is designed for portable projects. On board is a connector microUSB, through which the system can be programmed via the Arduino IDE.

Feather M0 Bluefruit LE 4.1 - compatible with Arduino - Adafruit 2995
€32.11 tax excl.
Discontinued product
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Manufacturer: Adafruit


The product has been discontinued. Check other products in category.


A small module with a microcontroller with ARM Cortex M0 known fromArduino M0. Feather is designed for portable projects. Thanks to the microUSB connector and uploaded bootloader, the module can be programmed directly fromthe Arduino IDE environment. Board has a small size (51 x 23 x 8 mm) and can be powered by voltage from USB port or rechargeable battery3,7 V LiPol. The module has built-in Bluetooth BLE4.1 so it can become the control center of a wireless network.


Check out how to start playing with the Adafruit Feather!

Mobile projects

Controller Feather is designed for mobile projects. Thanks to the integrated connector, it is possible to power it from the rechargeable LiPol battery 3.7 V. The battery voltage was led through an analog pin, so you can constantly monitor the state of charge of the lipol. Also available is powering from the microUSB port.

 Adafruit Feather M0 Bluefruit LE 4.1

Programming (Arduino IDE)

The module can be programmed using the Arduino IDE. For this, you will need to configure the software in a way provided by the manufacturer and connect the board using the microUSB cable.The settings of the Arduino IDE are available on the website of the manufacturer.

The manufacturer also provides software for smartphones to communicate with the module:


  • Supply voltage: lipol 3.7 V or USB 5 V slot
  • ATSAMD21G18 ARM Cortex M0 3.3 V microcontroller:
    • Flash memory: 256 KB
    • SRAM: 32 KB
    • Clock frequency: internal oscillator 48 MHz
  • Built-in Bluetooth BLE 4.1
  • Driver: Bluetooth Nordic nRF51822 system
  • Installed Arduino bootloader
  • Works with a modified version of theArduino IDE
  • ConnectormicroUSBfor programming, in our offer, you will find the necessary wire
  • Installed voltage regulator 3.3 V with current delivery up to 500 mA
  • Power supply from USB port or with a lipol battery 3.7 V
  • 20 GPIO pins
  • 8 PWM pins
  • 10 analog inputs (one for the battery voltage measurement)
  • Interfaces: UART, I2C, SPI
  • Built-in lipol charging module 100 mA with LED indicator, which informs about the status
  • LED for pin 13
  • The reset button
  • Included are goldpin strips for self-soldering
  • Dimensions: 51 x 23 x 8 mm
  • Weight: approx 5.7 g

Voltage to 5.0 V
Voltage from 5.0 V
Voltage output from 3.3 V
Output voltage to 3.3 V
Nominal output voltage 3.3 V
UC - Microcontroller ATSAMD21G18
UC - Core 32-bit ARM Cortex M0
UC - Flash 256 kB
UC - RAM 32 kB
UC - core 1. Single Core
UC - Digital pins 20
UC - analog in 10
UC - freq 48 MHz
UC - PWM 8
UC - USB microUSB
UC - Bluetooth yes
UC - I2C yes
UC - UART yes
UC - SPI interface yes
Package width 4 cm
Package height 0.9 cm
Package depth 7 cm
Package weight 0.01 kg

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