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How many times does the loop() function run on every startup of the Arduino System?

(a) 1

(b) Depends upon the setup() function

(c) Infinitely till the power is supplied to the Arduino

(d) 3

This question was posed to me in an interview for job.

My question comes from The loop() Function in portion Arduino Programming of Arduino

1 Answer

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Right answer is (c) Infinitely till the power is supplied to the Arduino

Easy explanation: The loop() function is generally used to carry out most of the calculations that are required to sustain the working of the Arduino project. It is preprogrammed to run continuously once the Arduino is successfully booted and the setup() function has been executed once.

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