The LED should now blink on and off every second. Congratulations! You have just used mBlock 3.4.12 for physical computing.
As a mature version of the 3.x series, mBlock 3.4.12 brought together all the powerful features that made the platform so popular: mblock 3.4.12
or a dedicated "Make a Report" button. If you need to create a project report for a class or competition, you should follow these manual steps: How to Create a Project Report for mBlock 3.4.12 Capture the Blocks The LED should now blink on and off every second