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Adafruit Feather nRF52 Bluefruit LE - nRF52832

4.5 4.5 out of 5 stars 69 ratings
Brand Adafruit
Ram Memory Installed Size 64 KB
Memory Storage Capacity 512 KB
CPU Speed 64 MHz
Connectivity Technology Bluetooth, USB

About this item

  • The Adafruit Feather nRF52 Bluefruit is an easy-to-use all-in-one Bluetooth Low Energy board, with a native-bluetooth chip, the nRF52832! It's our take on an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging.
  • This chip has twice the flash, SRAM and performance of the earlier nRF51-based Bluefruit modules. Best of all it has Arduino IDE support so there is no 'helper' chip like the ATmega32u4 or ATSAMD21. Instead, this chip is programmed directly! It's got tons of awesome peripherals: plenty of GPIO, analog inputs, PWM, timers, etc. Leaving out the extra microcontroller means the price, complexity and power-usage are all lower/better.
  • It allows you to run code directly on the nRF52832, straight from the Arduino IDE as you would with any other MCU or Arduino compatible device. A single MCU means better performance, lower overall power consumption, and lower production costs if you ever want to design your own hardware based on your Bluefruit nRF52 Feather project!
  • The chip comes pre-programmed with an auto-resetting bootloader so you can upload quickly in the Arduino IDE with no button-pressing. Want to program the chip directly? You can use our command line tools with your favorite editor and toolchain.
  • The example code works great with Adafruit's existing iOS and Android app.
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Customer reviews

4.5 out of 5 stars
69 global ratings
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Top reviews from the United States

Sherman
5.0 out of 5 stars Read Adafruit's information and technical before writing a bad review.
Reviewed in the United States on October 24, 2019
Verified Purchase
This board works as described, so long as you read the notes about this device on Adafruit's page. I've read a few reviews about this product and I have to really wonder if they did any of that. The first thing you need to do is to upgrade the bootloader. Easy enough following Adafruit's directions and Arduino IDE. Also, do not pair the device before running the Adafruit App, or you will not see it in the App. Following these simple instructions will save you much grief and also prevent you from leaving a 1 star review and looking silly as everyone else follows the instructions and winds up having no troubles.
14 people found this helpful
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Colin Houghton
5.0 out of 5 stars Incredible board!
Reviewed in the United States on July 27, 2018
Verified Purchase
Blazing fast, super low power consumption, and bluetooth works well for my bluetooth HID keyboard application.

Be ware that certain libraries won't work for this if they haven't been ported to the NRF52 chipset yet (mainly anything that's chip specific such as setting PWM frequency or triggering low-power mode).

Adarfuit has a quite complete "Adafruit_nRF52_Arduino" git repo for their library with great examples that work flawlessly out of the box. Would buy again for my next bluetooth project.
3 people found this helpful
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nathan
5.0 out of 5 stars it's easy to program for as it basically uses the arduino ...
Reviewed in the United States on February 23, 2018
Verified Purchase
This works really well, it's easy to program for as it basically uses the arduino ide out of the box. Range was a bit low, maybe 15 feet for my HID application but i can live with it. I only wish win7 had ble support
2 people found this helpful
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Charles
5.0 out of 5 stars For those having trouble
Reviewed in the United States on September 11, 2019
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Make sure you upgrade the bootloader before trying to flash your sketch onto the device.

Arduino IDE>Tools>Programmer:>Bootloader DFU for Bluefruit nRF52
Arduino IDE>Tools>Burn Bootloader
7 people found this helpful
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Dustin Ezell
3.0 out of 5 stars Powerful but a bit complicated. Not very Android friendly.
Reviewed in the United States on January 29, 2019
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This board is really well designed, has tons of resources, and comes with a lot of examples. Unfortunately the Bluefruit app these examples should communicate with do not work on my android device. Best I can tell it uses a proprietary uart interface and this isn't playing well with Adafruit's app or any of the Android Bluetooth terminals I've tried (including the one for the chip manufacturer Nordic). Hope they release an update soon that corrects this.

If you're communicating with iOS this is a 5 star device.
2 people found this helpful
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Thomas E. Donohue
5.0 out of 5 stars Great LED matrix controller
Reviewed in the United States on April 18, 2018
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I used this as the controller for a Guggenhat project and while it took significant code modification it was well worth it. Low battery draw, good processing power, and great bluetooth connectivity.
One person found this helpful
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Harold T.
5.0 out of 5 stars Cool
Reviewed in the United States on January 27, 2021
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Awesome. Just what I needed for my IOT
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Tom
2.0 out of 5 stars Much more complicated than expected
Reviewed in the United States on January 6, 2019
Verified Purchase
I have spent 10 hours trying to get a sketch into this little guy. There are several additional libraries and back-end files that need to be added and I still have not been able to figure out the correct combination. The adafruit app seems to load on IOS and recognize the feather, but not the pinouts or the neo-pixel programming. Im sure I am just missing a simple file here or there, however dont have any more time to put into it. Particle photon and basic uno/nano were 30x easier to figure out. Would not recommend for those without coding and developer experience.
3 people found this helpful
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