Inside the printed puck is an Arduino Nano running an MPU6050 accelerometer, a 12-NeoPixel ring, and a piezo buzzer. [DIY_Maxell] reused a power bank charging circuit to charge up the small LiPo ...

An Arduino Pro Mini drives an LSM303DLHC compass/accelerometer breakout board and a 12-LED NeoPixel ring. The heading is indicated with a red ‘Pixel between two yellow ones.

The tiny Arduino development board has been combined with a generic nRF24 Module together with a Adafruit NeoPixel Ring, to provide visual feedback on your heart rate.

Adafruit has this week added a new addition to their range of electronic components, announcing the availability of the new Particle/Spark NeoPixel Ring Kit, that is now available to purchase ...

Following Adafruit's advice on how to connect and power the Neopixel, I broke out one of the many Arduino boards that I had laying around (about 50 now).

He connected an Adafruit Neopixel Ring to the internet with Electric Imp and configured it to grab the forecast from Weather Underground. No, it's not the cheapest way to tell the weather, ...