Adafruit Wireless Feather 32u4 Bluefruit LE, BTLE ATmega32u4 Arduino Compatible

Artikelnummer: AF2829

Kategorie: Entwicklungsboard


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Beschreibung

Overview

This is the Adafruit Feather 32u4 Bluefruit - our take on an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging. Its an Adafruit Feather 32u4 with a BTLE module, ready to rock! 

Bluetooth Low Energy is the hottest new low-power, 2.4GHz spectrum wireless protocol. In particular, its the only wireless protocol that you can use with iOS without needing special certification and it's supported by all modern smart phones. This makes it excellent for use in portable projects that will make use of an iOS or Android phone or tablet. It also is supported in Mac OS X and Windows 8+.

At the Feather 32u4's heart is at ATmega32u4 clocked at 8 MHz and at 3.3V logic, a chip setup we've had tons of experience with as it's the same as the Flora. This chip has 32K of flash and 2K of RAM, with built in USB so not only does it have a USB-to-Serial program & debug capability built in with no need for an FTDI-like chip, it can also act like a mouse, keyboard, USB MIDI device, etc.

Technical Details of 32u4 Bluefruit

  • Maße 2.0" x 0.9" x 0.28" (51mm x 23mm x 8mm) ohne verlötete Header
  • Gewicht: 5.7g
  • ATmega32u4 @ 8MHz mit 3.3V logic/power
  • 3.3V Spannungsregler mit 500mA Spitzenstrom-Ausgang
  • USB Native Support, USB bootloader und Serial Port Debugging
  • 20 GPIO Pins
  • Hardware Serial, hardware I2C, hardware SPI support
  • 8 x PWM Pins
  • 10 x analoge Eingänge
  • Built-in 100mA Lipoly charger mit Lade-LED
  • Pin #13 rote LED zum einfachen blinken
  • Power/enable pin
  • 4 Montagelöcher
  • Reset button
  • Bluefruit BTLE Modul
  • 2x LED als Statusindikator

Technical Details of Bluetooth 4.1 Module

  • 2.4GHZ transceiver

 -93dbm sensitivity in Bluetooth low energy mode

TX Power -20 to +4dbm

RSSI (1db resolution)

  • ARM Cortex ? M0 32 bit processor

Serial Wire Debug (SWD)

  • S100 series SoftDevice ready
  • Memory

256kb or 128kb embedded flash programmed memory

16kb RAM or 32kb RAM

  • Support for non-concurrent multiprotocol operation

On-air compatibility with nRF24L series

  • Flexible Power Management

Supply voltage range 1.8V to 3.6V

2.5us wake-up using 16MHz RCOSC

0.6uA @ 3V mode

1.2uA @ 3V in OFF mode + 1 region RAM retention

2.6uA @ 3V ON mode, all blocks IDLE

  • 8/9/10 bit ADC- 8 configurable channels
  • 31 General Purpose I/O Pins
  • One 32 bit and two 16 bit timers with counter mode
  • SPI Master
  • Two-wire Master (I2C compatible)
  • UART (CTS/RTS)
  • CPU independent Programmable Peripheral Interconnect (PPI)
  • Quadrature Decoder (QDEC)
  • AES HW encryption
  • Real Timer Counter (RTC)

You can also check our "Dokumente" for more information.

Package List:

1x Adafruit wireless Feather 32u4 Bluefruit LE

 

Dokumente

Bedienungsanleitung

MDBT Datasheet with CE

nRF51822 Datasheet

PCB Files on GitHub

Fritzing object available in the Adafruit Fritzing Library

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