Adafruit NeoPixel Ring - 24 x WS2812 RGB LED with Integrated Drivers - Solarbotics Ltd.
Free STL file 24 LED Neopixel Ring Case・3D printable design to download・Cults
Pololu - Adafruit 24-LED NeoPixel Ring
NeoPixel Ring - 24 x 5050 RGBW LEDs w/ Integrated Drivers [Warm White - ~3000K] : ID 2861 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
HTU21D NeoPixel Ring Temperature and Humidity Display | SteelCity Electronics
NeoPixel Ring - 24 x 5050 RGB LED with Integrated Drivers | eBay
Using an 24 Bit RGB Neopixel LCD Ring with Arduino - YouTube
NeoPixel Ring 24 LEDs - Smart SK6812 RGB 5050 LED with Integrated Drivers
Interface Guide WS2812 LED Ring To Arduino ATTiny85
LED ring with 24 right-angle LEDs, outwards facing – Blinkinlabs