Round and round and round they go! 16 ultra bright smart LED NeoPixels are arranged in a circle with 1.75" (44.5mm) outer diameter. The rings are 'chainable' - connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the color will be very consistent even if the voltage varies, and no external choke resistors are required making the design slim. Power the whole thing with 5VDC (4-7V works) and you're ready to rock.

There is a single data line with a very timing-specific protocol. Since the protocol is very sensitive to timing, it requires a real-time microconroller such as an AVR, Arduino, PIC, mbed, etc. It cannot be used with a Linux-based microcomputer or interpreted microcontroller such as the netduino or Basic Stamp. Our wonderfully-written Neopixel library for Arduino supports these pixels! As it requires hand-tuned assembly it is only for AVR cores but others may have ported this chip driver code so please google around. An 8MHz or faster processor is required.

Comes as a single ring with 16 individually addressable RGB LEDs assembled and tested.

  • Dimensions: 
    • Outer diameter: 44.5mm / 1.8";
    • Inner diameter: 31.7mm / 1.2"
    • Thickness: 6.7mm / 0.3"
  • As of 7/16/204 we are now shipping with a standard-thickness PCB and we added an extra ground and power breakout
  • Weight: 3.03g
  • May ship with either WS2812B or SK6812-based LEDs. They are the same brightness, color and protocol

Datasheet, EagleCAD PCB files, datasheets and more in the tutorial

Fashion headwear for cyberpunks, steampunks and Daft Punks.
It used to be impossible to use NeoPixels with Netduino, until now!
LED ring GPS navigation and timekeeping
NeoPixel Ring Bling
Inspired by Iron Man's Arc Reactor!
Great Googly Moogly!
Add sound reactive color to your tunes.
Why mod when you can make?
Build a Fabulous LED Hair Dress
3D Printed Moravian Star + NeoPixel + Trinket Topper
Build a sound reactive LED microphone flag
Make a flexible motion-activated LED arm/wrist band.
Turn your Iris into a safe flying UFO
Upgrade your ride with lots, and lots of NeoPixels!
Become your favorite video game character with 3d printing and diy electronics
How to control NeoPixel LEDs with Python on a Raspberry Pi!
Print your things for your halloween costumes!
Shoot powerful LED lights, from your chest!
It’s got lasers, EL wire and of course, NeoPixel LEDs.
Make a GEMMA and NeoPixel Pixie Dust Bag
Light up the dystopian future
An introduction to AVR peripherals.
Control NeoPixels with Adafruit IO sliders
New Years Glasses with NeoPixel Rings
Unleashing the power of the NeoPixel!
Steal Ariel's Voice (and her man) with SCIENCE
Add flickering, moving "flames" to your pumpkin with this quick NeoPixel project.
3D print a classic power-up and bring it to life with GEMMA powered NeoPixel LEDs
Create festive holiday lights powered by Adafruit's feather boards!
Animate your headphones with NeoPixels!
Part 3: Permanent circuit, 3D printing, and final assembly
Drive NeoPixels and a Sharp IR distance sensor with the ARM Cortex M0+ LPC824 MCU
LED smarter, not harder


SKU AF-1463
Brand Adafruit

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