Seeed Grove LED Range - Seeed Studio 104020128, Seeed 104020128 Grove - RGB LED Ring (20 - WS2813 Mini) is integrated with 20 full-colour RGB LEDs with a 2KHz refresh frequency and each pixel gray levels are 256 on the stick.
All the LEDs are WS2813 Mini, which is an intelligent control and cost-effective LED.
The Grove - RGB LED Ring is a mini version of the WS2813 Digital RGB LED Ring.
The RGB LED Ring are 3535-sized LEDs with an embedded microcontroller inside the LED.
The WS2813s are each addressable as the driver chip is located inside the LED.
Each LED has a constant current drive so the colour will be very consistent even if the change of voltage.
Seeed 104020128 Grove - RGB LED Ring (20 - WS2813 Mini)