FLORA is Adafruit's fully-featured wearable electronics platform. It's a round, sewable, Arduino-compatible microcontroller designed to empower amazing wearables projects.FLORA comes with Adafruit's support, tutorials and projects. Check out dozens of FLORA tutorials on the Adafruit Learning System, with more added all the time!

The FLORA is small (1.75" diameter, weighing 4.4 grams). The FLORA family also has the best stainless steel threads, sensors, GPS modules and chainable LED NeoPixels, perfect accessories for the FLORA main board. 

The FLORA has built-in USB support. Built in USB means you plug it in to program it, it just shows up - all you need is a Micro-B USB cable, no additional purchases are needed! We have a modified version of the Arduino IDE so Mac & Windows users can get started fast - or with the new 1.6.4+ Arduino IDE, it takes only a few seconds to add Flora-support. The FLORA has USB HID support, so it can act like a mouse or keyboard to attach directly to computers.

FLORA has a small but easy to use onboard reset button to reboot the system. The power supply is designed to be flexible and easy to use. There is an onboard polarized 2 JST battery connector with protection schottky diode for use with external battery packs from 3.5v to 16v DC in. Can be used with LiIon/LiPoly, LiFe, alkaline or rechargeable NiMh/NiCad batteries of any size. The FLORA does not have a LiPo charger included by design, this allows safe use with multiple battery types and reduces risk of fire as it is not recommended to charge these batteries on fabric. We suggest one of our micro-lipo chargers if you want to use LiPo batteries with FLORA.

FLORA has onboard power switch connected to 2A power FET for safe and efficient battery on/off control, so you can power quite a bit without burning out your switch. The FLORA has an onboard 3.3v 250mA regulator with a protection diode and USB fuse so that the microcontroller voltage is consistent and can power common 3.3v modules and sensors.

We spent a lot of time on the power supply because the FLORA power system is specifically designed to allow easy control and power of a large quantity of addressable NeoPixels. Flora can easily drive 50 pixels directly from the onboard power supply, or up to 500 with the pixels externally powered by a separate 5V supply.

  • FLORA is fabric friendly-- all the components on board are flush to the PCB and won't snag delicate garments (it does not use FTDI headers).
  • FLORA is extremely beginner-friendly - it is difficult to destroy the FLORA by connecting a battery backwards due to polarized connector and protection diodes. The on-board regulator means that even connecting a 9V battery will not result in damage or tears.
  • The FLORA has 4 indicator LEDs: power good, digital signal LED for bootloader feedback, data rx/tx. Also onboard is an ICSP connector for easy reprograming for advanced users. Flora v2 even has an RGB NeoPixel for even more colorful lighting.
  • There are 14 sewing tap pads for attachment and electrical connections. Data buses are interleaved with power and ground pads for easy module and sensor attachments without worrying about overlapping traces which are not possible with conductive thread.
  • As of July 7 2016 we're now selling Flora v3 with  alligator-clip friendly pads.
  • The FLORA works great with the Arduino IDE and is super easy to install support if you have IDE 1.6.4 or later

The FLORA is not the first wearable Arduino / Arduino-compatible. Leah Buechley’s Lilypad was developed in 2007 and while they are both round, FLORA is a completely new platform that works seamlessly with the FLORA accessories.

The FLORA is made in NYC at Adafruit, it was designed by Limor Fried (Ladyada), Adafruit's founder and engineer. Adafruit has a proven track record of providing 100+ high-quality libraries for Arduino/Arduino IDE, hundreds of tutorials, open-source code and contributions to the Arduino project. Ladyada was a member of the MIT wearables group and likes to sew.

You may get an off-white or black JST connector.


  • Dimensions: 45mm round x 7mm thick/ 1.8" round x 0.3" thick
  • Weight: 4.7g

Datasheets, EagleCAD PCB files, Fritzing object and more in the tutorial!

Revision History:

  • As of May 12th, 2015, we're now selling the Flora v2! The Flora v2 now comes with a micro-USB port instead of a mini-USB port and a programmable NeoPixel installed (it's connected to Digital 8, ready for your blinky commands)
  • As of July 7 2016, we're now selling Flora v3 with a lovely new silkscreen, and alligator-clip friendly pads. Otherwise it's the exact same shape and circuit.
  • As of Oct 1st, 2016, we're now selling the Flora with large alligator-clip friendly pads. They can still be sewn into clothing.
Adafruit's Wearables Platform
Addressable, chainable, delectable!
Our Ultimate GPS-- for wearable electronics!
Maxiumum blinken, no soldering!
Easily removable snap-on Flora!
A tiny television neutralizer
Sewing with steel!
Location-aware outerwear
Make your clothes play a song
Pixel-riffic motorcycle visibility
Wearable 3-axis motion + compass
Wearable VU meter necktie with Flora
Wearable luminosity sensing!
Capacitive touch sensing with conductive fabric & Flora
There, under a rock! Its a gaggle of COM ports!
Which Arduino is Right for Me?
Stitch a circuit that lights up when you move
Deep sea stitching with FLORA
Changes color to match!
Burn up the dance floor in these red-hot kicks!
Navigation & visibility with FLORA!
Wear your heart on your sleeve!
Convert color to music with a wave of your finger.
Circuits under water and more!
How to get the most from your Arduino Memory
Add sweet LEDs to your earphones!
LED ring GPS navigation and timekeeping
Great Googly Moogly!
Make your own awesome wireless MIDI controller guitar for rocking out
Build a model TARDIS or dress your pet as one with this wearable-scale project
Flora+NeoPixel skateboard upgrade for maximum ground effects
Make a flexible motion-activated LED arm/wrist band.
Rub-a-dub-dub, FLORA in the tub
Keep time with FLORA
Bring your own rainbow
3D Printed NinjaFlex Spikes over LED Pixels
Program your FLORA in your browser!
Sound sensitive NeoPixel cap
Finger Drumming Wearable Electronics
They see me rolling, bootloading!
Remember to reapply!
All the feels!
Intro to electronics for cosplayers, no prior experience required
Conductive thread zip-trigger
Steal Ariel's Voice (and her man) with SCIENCE
Setup the Arduino IDE to work with Trinket, Gemma, Flora, and more!
Illuminate your braaaaaaiiiiin
Easily add support for Adafruit boards to Arduino v1.6.4!
A sewable BLE add-on for your Flora!
Light up your mailbox and get notified when your products arrive!
Log Light Levels to Adafruit IO
for wearable cell network projects
SMS TXT scroller on a NeoPixel Matrix with Fona + Flora
Magical lights twinkle and change as you twirl
Vibrating Meditation Timer & More!
Bluetooth controlled winter wonderland
Be the brightest Who in Whoville


SKU AF-659
Brand Arduino

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