I was wrong about millis: how to write non blocking code: (Arduino Uno Programming for Beginners) In this video I really show you how to write non blocking code using millis. How you handle the overflow correctly. 0:00 intro 0:23 millis basics 2:23 non blocking code 5:25 talking about my mistakes 8:49 better way of using millis 10:01 exercise 11:36 outro