Wemos D1 mini pro and NeoPixel WS2812B
Driving WS2812B by ESP8266EX https://github.com/adafruit/Adafruit_NeoPixel/blob/master/examples/strandtest/strandtest.ino
Driving WS2812B by ESP8266EX https://github.com/adafruit/Adafruit_NeoPixel/blob/master/examples/strandtest/strandtest.ino