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Description

Feather is the new development board from Adafruit, and like it's
namesake it is thin, light, and lets you fly! We designed Feather to
be a new standard for portable microcontroller cores.

This is the Adafruit Feather 32u4 Adalogger - our take on an
'all-in-one' datalogger (or data-reader) with built in USB and battery
charging. Its an Adafruit Feather 32u4 with a microSD holder ready to
rock!

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.

To make it easy to use for portable projects, we added a connector for
any of our 3.7V Lithium polymer batteries and built in battery
charging. You don't need a battery, it will run just fine straight
from the micro USB connector. But, if you do have a battery, you can
take it on the go, then plug in the USB to recharge. The Feather will
automatically switch over to USB power when its available. We also
tied the battery thru a divider to an analog pin, so you can measure
and monitor the battery voltage to detect when you need a recharge.

Here's some handy specs! Like all Feather 32u4's you get:

* Measures 2.0" x 0.9" x 0.28" (51mm x 23mm x 8mm) without headers
soldered in
* Light as a (large?) feather - 5.1 grams
* ATmega32u4 @ 8MHz with 3.3V logic/power
* 3.3V regulator with 500mA peak current output
* USB native support, comes with USB bootloader and serial port
debugging
* You also get tons of pins - 20 GPIO pins
* Hardware Serial, hardware I2C, hardware SPI support
* 8 x PWM pins
* 10 x analog inputs
* Built in 100mA lipoly charger with charging status indicator LED
* Pin #13 red LED for general purpose blinking
* Power/enable pin
* 4 mounting holes
* Reset button

The Feather 32u4 Adalogger uses the extra space left over to add
MicroSD + a green LED:

* Pin #8 green LED for your blinking pleasure
* MicroSD card holder for adding as much storage as you could
possibly want, for reading or writing.

Comes fully assembled and tested, with a USB bootloader that lets you
quickly use it with the Arduino IDE. We also toss in some header so
you can solder it in and plug into a solderless breadboard. Lipoly
battery, MicroSD card and USB cable not included (but we do have lots
of options in the shop if you'd like!)

Details:

* 51.1mm x 23mm x 8mm / 2.0" x 0.9" x 0.28"
* Weight 5.1g
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Specifications

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General information

Manufacturer Adafruit Industries
Product type Electronics module
Item number5998567
Manufacturer no.ada-2795

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Warranty & right to return

Warranty 24 month Bring-in

Limited right of return

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Adafruit Industries Adafruit Feather 32u4 Adalogger Adafruit Industries Adafruit Feather 32u4 Adalogger