Question

What is the need of delay in flashing the LED?

Answer 1

Arduino Tutorial: Using millis() Instead of delay() A well known Arduino function is delay() which pauses the program for an amount of milliseconds specified as parameter. millis() , on the other hand, is a function that returns the amount of milliseconds that have passed since program start.Sep 5, 2017');})();(function(){window.jsl.dh('15','

Arduino Tutorial: Using millis() Instead of delay()

https://www.norwegiancreations.com \u203a 2017/09 \u203a arduino...

https://www.norwegiancreations.com \u203a 2017/09 \u203a arduino...

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Search for: What will happen if you omit the delay function in the LED blinking code?

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In this case, you can't use delay() , or you'd stop everything else the program while the LED blinked. The program might miss the button press if it happens during the delay( ) .