int() Vs intln() | Arduino FAQs

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Serial.print() vs Serial.println()

What are differences between Serial.print() and Serial.println()?

Answer

Both Serial.print() and Serial.println() prints number, string to Serial Monitor. However, Serial.println() prints more two characters prints Carriage Return '\r' and new line '\n' characters at the end.

What is Carriage Return '\r' and New Line '\n' characters ⇒ Simply, When you press Enter key on your keyboard, the Carriage Return '\r' and New Line '\n' characters is included in your text editor. It means after using Serial.println(), Next numbers or String will be displayed in a new line.

Let's see two examples to know the difference:

Example with Serial.print()

void setup() { Serial.begin(9600); Serial.print("Arduino"); Serial.print("Get"); Serial.print("Started"); Serial.print(".com"); } void loop() { }

The result on Serial Monitor

COM6 Send ArduinoGetStarted.com Autoscroll Show timestamp Clear output 9600 baud Newline

Example with Serial.println()

void setup() { Serial.begin(9600); Serial.println("Arduino"); Serial.println("Get"); Serial.println("Started"); Serial.println(".com"); } void loop() { }

The result on Serial Monitor

COM6 Send Arduino Get Started .com Autoscroll Show timestamp Clear output 9600 baud Newline

※ NOTE THAT:

The below code:

Serial.print("Arduino\r\n");

Is equivalent to

Serial.println("Arduino");

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int() Vs intln() | Arduino FAQs

Example with Serial.print()

Example with Serial.println()

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See Also

What Is The Meaning Of Sketch Code: int("\r") - Arduino Forum

intln() - Arduino Reference

What Does "\r\n" Stand For In Arduino? - Reddit

intln() | Arduino Reference

4. Serial Communications - Arduino Cookbook [Book] - O'Reilly

What Is The Purpose Of intln() Without An Argument?

3.1 Introduction To Arduino Communication - ArduinoPlatform

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