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Hello World   C++ Arduino

Summary

Print 'Hello World!' text to the Serial when serial port is connected.

Requirements

Arduino IDE

void setup() {
  // Initialize serial and wait for port to open:
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB
  }
  Serial.println("Hello World!");
}

void loop() {
  // proceed normally
}

setup() function is execute once.
Open the Serial Monitor to see the result.

Result

Hello World!

References

Tags

#cout  #echo  #helloworld  #printf  #println 


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