Arduino – Loops

Programming languages provide various control structures that allow for more complicated execution paths.

A loop statement allows us to execute a statement or group of statements multiple times and following is the general form of a loop statement in most of the programming languages −


C programming language provides the following types of loops to handle looping requirements.

S.NO. Loop & Description

while loop

while loops will loop continuously, and infinitely, until the expression inside the parenthesis, () becomes false. Something must change the tested variable, or the while loop will never exit.


do…while loop

The do…while loop is similar to the while loop. In the while loop, the loop-continuation condition is tested at the beginning of the loop before performed the body of the loop.


for loop

for loop executes statements a predetermined number of times. The control expression for the loop is initialized, tested and manipulated entirely within the for loop parentheses.


Nested Loop

C language allows you to use one loop inside another loop. The following example illustrates the concept.


Infinite loop

It is the loop having no terminating condition, so the loop becomes infinite.

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