How to build a WS2812B LED strip with ESP8266 NodeMCU?

add here the code from the mosquito example
Pay attention to the peculiarity of this library, the tape can be divided into sectors (up to 10), it is very convenient!
UPD:
there is a firmware, for other purposes
with WS2812 I did not try it, but in the description of the commands there is a mention of these LEDs