The WS2812B is a smart RGB LED with a controller chip. Because these LEDs have their own controller, they can be connected to each other with 1 data line. That way they can all be addressed individually. This board has 8 of these pixels next to each other.
|Brand||Opencircuit house brand|
|More info||GitHub - adafruit/Adafruit_NeoPixel: Arduino library for controlling single-wire LED pixels (NeoPixel, WS2812, etc.)|
|Voltage||4 V - 7 V|