Showing content from https://todbot.com/arduino/sketches/SerialHelloWorld/SerialHelloWorld.pde below:
/* Serial Hello World * ------------------- * Simple Hello world for serial ports. * Print out "Hello world!" and blink pin 13 LED every second. * * Created 18 October 2006 * copyleft 2006 Tod E. Kurt ` * http://todbot.com/ */ int ledPin = 13; // select the pin for the LED int i=0; // simple counter to show we're doing something void setup() { pinMode(ledPin,OUTPUT); // declare the LED's pin as output Serial.begin(19200); // connect to the serial port } void loop () { Serial.print(i++); Serial.println(" Hello world!"); // print out a hello digitalWrite(ledPin, HIGH); delay(500); digitalWrite(ledPin, LOW); delay(500); }
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