What dev environment are you using? I had similar problems using NeoTrellis which were resolved by changing optimization levels. Might be worth taking a look: Code runs in Arduino IDE but not Platformio - #2 by duncan
What dev environment are you using? I had similar problems using NeoTrellis which were resolved by changing optimization levels. Might be worth taking a look: Code runs in Arduino IDE but not Platformio - #2 by duncan