Cortex M0+ v1.0 - Neopixel problem


Just got a Cortex-M0+ V1.0 board to replace an elderly Uno in a simple Neopixel Project…

For some reason i cannot seem to make it work the Neopixel Strip at all!!!

I have tried different libraries & different pis but the Neopixel Strip ( 30 Led) doesn’t light at all!! If I swap out the Cortex board for uno/mega/etc they work fine

Any help would be appreciated