Exploring Hello World! - Once Learning Activity || TinkerCAD Circuits Simulator - 02

 

 

 

Hello World! Once TinkerCAD Circuits Simulation Link

 <Code>

void setup() { // put your setup code here, to run once: Serial.begin(9600); Serial.println("Hello World!"); } void loop() { // put your main code here, to run repeatedly: }

 

Here two code lines are added to setup() function, first one sets communication speed between Arduino Uno board and Host computer [baud rate:9600]; second line prints ‘Hello World!’ text on a new line.

To see the text line once again, you have to reset the Arduino Uno board [press the Stop & then Start Simulation]. So it is evident that the setup() function is used to set up the board or system and runs only once on every reset.

• eBook Learn Arduino Using TinkerCAD Circuits Simulator purchase Link:

• https://play.google.com/store/books/details?id=CQSYEQAAQBAJ   [Google Play Store]

• https://books.google.co.in/books?id=CQSYEQAAQBAJ    [Google Books]

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• Learn Arduino Risk-Free with the Ultimate TinkerCAD Guide eBook

• https://8051microcontrollertutorial.blogspot.com/2025/11/learn-arduino-risk-free-with-tinkerCAD.html

• TinkerCAD Resources Index Page

• https://8051microcontrollertutorial.blogspot.com/2025/09/TC09092025ResourcesIndexPage.html

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…till the next post, bye-bye & take care!