Can't Break From While Loop

[DaveX]

I'd move code out of the while loop and use the loop() itself.

Maybe take a look at:

Planning and Implementing an Arduino Program

From what I can see there are many tutorials about doing specific tasks with an Arduino but I have not come across any that guide a newcomer through the process of planning and implementing a program to make it easy to understand and debug. The following 9 posts in this Thread are an attempt to fill that gap. ...R

...and consider that you want to measure the distance, set a timer, and control a couple lights based on the distance and timer.