Neopixel and esp8266?

I just bought a velleman nodemcu v2 lua based esp8266 development board.
Connected a neopixel compatible led strip
After this guide link
I can’t get it to work any ideas?
I get the software to work but can’t light up the led’s

Hello @Krheigh,

is it possible to upload pictures how you connect the neopixel to ESP8266 V2 lua?
Your circuit diagram.

Maybe wrong pin confured.
False contact.
wrong connection