Stemedu RGB 37-bit LED Ring

Description:
Voltage: DC4-7V
Communication interface: Single-wire communication
LED Chip: WS2812B
Connection:
5V to 5V
pin 6 to DI
GND to GND

1bit diameter is 14CM
8bits inner diameter is 18CM
12bits inner diameter is 36CM
16bits inner diameter is 55CM
24bits inner diameter is 72CM