【Arduino SpeedUp】快速上手 Class 11 - Serial monitor 讀心術！更多資訊請造訪：http://www.lazytomatolab.com

Class_11_1.ino

void setup() {
  Serial.begin(115200);
  Serial.println("Hello! This is LazyTomato Lab!");
  delay(1000);
  Serial.println("Please visit: http://www.lazytomatolab.com/");
}

void loop() {

}

Class_11_2.ino

int universe = 42;

void setup() {
  Serial.begin(115200);
  Serial.print("The answer to life, the universe, and everything: ");
  Serial.print(universe);
  Serial.print(".");
}

void loop() {

}

Class_11_3.ino

void setup() {
  Serial.begin(115200);
}

void loop() {
  if(Serial.available()) {
    int num = Serial.parseInt();
    Serial.print("The temperature is: ");
    Serial.print(num * 9 / 5 + 32);
    Serial.println(" °F");
  }
}

Class_11_4.ino

void setup() {
  Serial.begin(115200);
  pinMode(13, OUTPUT);
  digitalWrite(13, LOW);
}

void loop() {
  if(Serial.available()) {
    char ch = Serial.read();
    
    if(ch == 'O') {
      digitalWrite(13, HIGH);
    }
    else if(ch == 'C') {
      digitalWrite(13, LOW);
    }
    else {
      Serial.println("Invalid character.");
    }
  }
}