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Modulo / Remainder in Arduino
The modulo operator in Arduino is exactly the same as in C language, or most other languages for that matter. The operator is %. The syntax is: a % b and it returns the remainder when a is divided by b.
Example
The following example illustrates the use of this operator −
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
Serial.println();
Serial.println(10%3);
Serial.println(4%2);
Serial.println(50%9);
}
void loop() {
// put your main code here, to run repeatedly:
}Output
The Serial Monitor output is shown below. You can work out the remainders yourself and verify that the output is correct.
Updated on: 31-May-2021
7K+ Views
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