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Feather Adafruit Bluefruit LE 4.1 32u4 - compatible with Arduino*

A small module with a microcontroller AVR Atmega 32u4 known from the Arduino Leonardo known from Bluetooth BLE 4.1. Feather is designed for portable projects. On board is also a microUSB connector, through which the system can be programmed via the Arduino IDE environment.

More details

ADA-06566

Adafruit

Dodano produkt do koszyka

In stock, shipping 24 hours!

Price 171,30 zł

Description

A small module with a microcontroller AVR Atmega 32u4. Feather is designed for portable projects. Thanks to the microUSB connector and uploaded bootloader, the module can be programmed directly from the Arduino IDE environment. Board has a small size (51 x 23 x 8 mm) can be powered by voltage from USB port or from rechargeable LiPol battery 3,7 V LiPol. The module has built-in Bluetooth 4.1 BLE, so it can become the wireless control center.

 

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.

 Feather 32u4 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:

Specification

  • Supply Voltage: lipol 3.7 V or USB 5 V slot
  • Microcontroller AVR Atmega32u4 3.3 V:
    • Flash memory: 32 KB (2.75 kB of which is occupied by the bootloader)
    • SRAM: 2 KB
    • Clock frequency: internal oscillator 8 MHz
  • Built-in Bluetooth BLE 4.1
  • Driver: Bluetooth system Nordic nRF51822
  • Installed Arduino bootloader
  • Works with a modified version of the Arduino IDE
  • Connector microUSB for programming, in our assortment, you will find the necessary wire
  • Installed 3.3 V voltage regulator 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 - Microkontroler Atmega32U4
  • UC - Core 8-bit AVR
  • UC - Flash: 32 kB
  • UC - RAM 2 kB
  • UC - core 1. Single Core
  • UC - Digital pins: 20
  • UC - analog in 10
  • UC - freq: 8 MHz
  • UC - PWM: 8
  • UC - USB: microUSB
  • UC - Bluetooth yes
  • UC - I2C yes
  • UC - UART yes
  • UC - SPI interface yes

 

Comparison of Arduino

 

Model

Micro

kontroler

Pins

Flash

RAM

EEPROM

Power

Interfaces

Popular
clones

Uno

ATmega

328

16 MHz

14 I/O

6 PWM

6 analog

32 kB

2 kB

1 kB

DC: 7-12V

USB: 5V

UART

I2C

SPI

Genuino Uno

DFRduino

Bluno Ble

RedBoard

Metro328

UnoPlus

Uno - WiFi

ATmega

328

16 MHz

ESP8266

14 I/O

6 PWM

6 analog

32 kB

2 kB

1 kB

DC: 7-12V

USB: 5V

UART

I2C

SPI

WiFi

 

Leonardo

ATmega

32u4

16 MHz

20 I/O

7 PWM

12 analog

32 kB

2,5 kB

1 kB

DC: 7-12V

USB: 5V

UART

I2C

SPI

USB

DFrobot

Leonardo

Ethernet

ATmega

32u4

16 MHz

20 I/O
7 PWM

12 analog

32 kB
2,5 kB
1 kB
DC: 7-12V
USB: 5V

UART
I2C
SPI
USB

Ethernet

 

Leonardo

Ethernet+PoE

ATmega

32u4

16 MHz

20 I/O
7 PWM

12 analog

32 kB
2,5 kB
1 kB

DC: 7-12V
USB: 5V

PoE: 36-57V

UART
I2C
SPI
USB

Ethernet

 

M0

ARM Cortex

ATSAMD

21G18

Cortex M0

48 MHz

14 I/O

12 PWM

6 analog

256 kB

32 kB

16 kB

DC: 5V
USB: 5V

UART

I2C

SPI

DAC

 

M0 Pro

ARM Cortex

ATSAMD

21G18

Cortex M0

48 MHz

14 I/O

12 PWM

6 analog

256 kB

32 kB

16 kB

DC: 5V
USB: 5V

UART

I2C

SPI

DAC

Debug

Genuino Zero

 Genuino101

Intel Curie

Intel Curie

Quark

ARC x86

14 I/O

4 PWM

6 analog

196 kB

24 kB

-

DC: 7-12V
USB: 5V

UART

I2C

SPI

 

Tian - WiFi

SAMD21G18

32-bit

Cortex-M0+

20 I/O
12 PWM

6 analog

256 kB
32 kB
DC: 5V
USB: 5V

UART

I2C

SPI

WiFi

Ethernet

Bluetooth

 

Yun - WiFi

ATmega

32u4

16 MHz

20 I/O
7 PWM

12 analog

32 kB
2,5 kB
1 kB
DC: 5V
USB: 5V

UART

I2C

SPI

WiFi

Ethernet

 

Yún - WiFi

PoE

ATmega

32u4

16 MHz

20 I/O
7 PWM

12 analog

32 kB
2,5 kB
1 kB

DC: 5V
USB: 5V

PoE: 36-57V

UART

I2C

SPI

WiFi
 

Yún - WiFi

Mini

ATmega

32u4

16 MHz

20 I/O
7 PWM

12 analog

32 kB
2,5 kB
1 kB

DC: 5V
USB: 5V

UART

I2C

SPI

WiFi
 
Mega 2560

ATmega

2560

16 MHz

54 I/O
15 PWM

16 analog

256 kB
8 kB
4 kB

DC: 7-12V
USB: 5V

UART

I2C

SPI

Genuino Mega

DFrobot Mega

Bluno Mega

Mega ADK

ATmega

2560

16 MHz

54 I/O
15 PWM

16 analog

256 kB
8 kB
4 kB
DC: 7-12V
USB: 5V
UART

I2C

SPI

 

Due

ARM Cortex

AT91SAM

3X8E

84 MHz

54 I/O
12 PWM

12 analog

512 kB

96 kB

-

DC: 7-12V
USB: 5V
UART

I2C

SPI

USB

CAN
DMA

 

Micro

ATmega

32u4

16 MHz

20 I/O
7 PWM

12 analog

32 kB
2,5 kB
1 kB
DC: 7-12V
USB: 5V
UART

I2C

SPI

Dreamer

Pro Micro 5V

Pro Micro 3,3V

A-Star 32u4

Pro 328

5V/16MHz

ATmega

328

16 MHz

14 I/O

6 PWM

6 analog

32 kB
2 kB
1 kB
DC: 7-12V
USB: 5V
UART

I2C

SPI

 

Pro 328

3,3V/8MHz

ATmega

328

8 MHz

14 I/O

6 PWM

6 analog

32 kB
2 kB
1 kB
DC: 3,4-12V
USB: 5V
UART

I2C

SPI

 

Pro Mini 328

5V/16MHz

ATmega

328

16 MHz

14 I/O

6 PWM

6 analog

32 kB
2 kB
1 kB
DC: 7-12V
USB: 5V
UART

I2C

SPI

Metro Mini

Bluno Nano

DFrduino Nano

Pro Mini 328

3,3V/8MHz

ATmega

328

8 MHz

14 I/O

6 PWM

6 analog

32 kB
2 kB
1 kB
DC: 3,4-12V
USB: 5V
UART

I2C

SPI

 

 

Choose the right module Adafruit Feather!

 

 NameProcessorMemoryGPIOWiFiInterfaces

Adafruit Feather

Huzzah ESP8266

ESP8266

@80 MHz

Flash 4 MB

9

YES

ESP8266

UART,

I2C, SPI

Adafruit Feather M0

Proto 32-bit

ATSAMD21G18

ARM Cortex

M0 @48 MHz

Flash 256 kB

SRAM 32 kB

20NO

UART,

I2C, SPI

analog

Adafruit Feather 32u4

Adalogger  microSD

Atmega32u4

@8 MHz

Flash 32 kB

SRAM 2 kB
20NO

UART,

I2C, SPI

analog

Adafruit Feather 32u4
FONA GSM/GPRS

Atmega32u4

@8 MHz

Flash 32 kB

SRAM 2 kB
20NO

UART,

I2C, SPI

analog, SIM

Adafruit Feather M0

WiFi 32-bit antena PCB

ATSAMD21G18

ARM Cortex

M0 @48 MHz

Flash 256 kB

SRAM 32 kB
20

YES

ATWINC1500

UART,

I2C, SPI

analog

Adafruit Feather M0

WiFi 32-bit złącze u.Fl

ATSAMD21G18

ARM Cortex

M0 @48 MHz

Flash 256 kB

SRAM 32 kB
 20

YES

ATWINC1500

UART,

I2C, SPI

analog

Adafruit Feather WICED

WiFi 32-bit Broadcom

STM32F205

ARM Cortex

M3 @120 MHz

Flash 1024 kB

SRAM 128 kB
20

YES

Broadcom

BCM43362

UART,

I2C, SPI

analog

Adafruit Feather M0

+ moduł radiowy 433 MHz RFM95 LoRa

ATSAMD21G18

ARM Cortex

M0 @48 MHz

Flash 256 kB

SRAM 32 kB
20

NO

UART,

I2C, SPI

analog

Adafruit Feather M0

Adalogger microSD

ATSAMD21G18

ARM Cortex

M0 @48 MHz

Flash 256 kB

SRAM 32 kB
20NO

UART,

I2C, SPI

analog

Adafruit Feather 32u4

Basic Proto

Atmega32u4

@8 MHz

Flash 32 kB

SRAM 2 kB
20NO

UART,

I2C, SPI

analog

Adafruit Feather 32u4

Bluefruit LE 4.1

Atmega32u4

@8 MHz

Flash 32 kB

SRAM 2 kB
20NO

UART,

I2C, SPI

analog

Bluetooth

Adafruit Feather M0

Bluefruit LE 4.1

ATSAMD21G18

ARM Cortex

M0 @48 MHz

Flash 256 kB

SRAM 32 kB
20NO

UART,

I2C, SPI

analog

Bluetooth

FeatherWing

 NameFeature

Adafruit FeatherWing

Adalogger - RTC PCF8523 + microSD

RTC + microSD

Adafruit FeatherWing

DS3231 Precision RTC

DS3231 - RTC

Adafruit FeatherWing

Ultimate GPS

Moduł GPS MTK3339

Adafruit FeatherWing

Doubler

Possibility to connect two Feather modules
prototype space

Adafruit FeatherWing

Latching Mini Relay
- 250V/0.6A

Latching relay

- remembers the state

Adafruit FeatherWing

Non-Latching Mini Relay
-  250V/0,6A

Unlatching relay

- does not remember the state

Adafruit FeatherWing

OLED 128x32px

OLED 128x32 px

Adafruit FeatherWing

Terminal Block

Screw connectors

Prototype site

Adafruit FeatherWing

LoRa RFM95 433MHz

Radio module 433 MHz RFM95
Long Range: LoRa
Transmission within 2 km

Adafruit FeatherWing

LoRa RFM69 433MHz

Radio module 433 MHz RFM69
Long Range: LoRa
Transmission within 500 m

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