
Ring with 24 RGB WS2812 LEDs and integrated driver
Neopixel ring with 24 RGB LEDs that can be individually controlled, each of which can produce 256 shades of its color, resulting in a total of 16,777,216 colors.
Overview
The data channel for communication is a One-Wire serial type and can be controlled with microcontrollers like Arduino.
You can set the refresh frequency as desired to make certain light effects imperceptible. Multiple rings can be cascaded together to create various effects.
Tech specs
Power supply: 5 Vdc.
Conformities
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Electronic version of the Compass, where the position of the needle is indicated by group of a three light-emitting diodes. There is also an OLED display in the middle of the device, which shows the angle relative to the North Pole.