MARBLE RUN Arduino project........part-2

Assalam-o-Alaikum guys, here is the second part of marble run arduino project in 2021. In this video i have tried to explain the circuit and code (multitasking code ) in which main function is "millis()" function. LINK FOR CODE : https://drive.google.com/drive/folders/1fTxUhkH80UksL5ojPPGgAvFh9zUwTLU9?usp=sharing MARBLE RUN Arduino project in 2021.....part (1) https://www.youtube.com/watch?v=Su92if-qjG4&t=380s FACEBOOK PAGE: https://www.facebook.com/Global-Spy-Hawk-101550144871942