Introduction: Experiment 4 Serial Port Communication

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The components used in this experiment are shown below:

The experiment needs only the Arduino board.

Step 1: Wire Diagram

Plug the Arduino to PC  through the USB port.

Step 2: Arduino Code

void setup() {
Serial.begin(9600);
}
void loop() {
Serial.println(“Hello World!”);
delay(1000);
}
Observe the output using a serial terminal console.