Module 3 Unit 2 Q&A Forum › Category: ESP32 › Module 3 Unit 2 0 Vote Up Vote Down Andy Kotowski asked 6 years ago To make the sketch work I had to add delay(1000) at line 87. Otherwise no output was printed. 1 Answers 0 Vote Up Vote Down Rui Santos Staff answered 6 years ago Thanks for the suggestion. We’ve updated the code on GitHub with that change (the next eBook update will have that change too)! Regards, Rui