⌨️ ماموریت ۴۴: فرمان از سریال

سیم‌کشی

1. Arduino Uno (D3) ⟷ Resistor (220Ω) (PIN1)
2. Resistor (220Ω) (PIN2) ⟷ LED (Red) (ANODE)
3. LED (Red) (CATHODE) ⟷ Arduino Uno (GND1)
4. Arduino Uno (D5) ⟷ Resistor (220Ω) (PIN1)
5. Resistor (220Ω) (PIN2) ⟷ LED (Green) (ANODE)
6. LED (Green) (CATHODE) ⟷ Arduino Uno (GND1)

کد

const int red = 3, green = 5;

void setup() {
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  Serial.begin(9600);
  Serial.println("Farman: r / g / o");
}

void loop() {
  if (!Serial.available()) return;

  char c = Serial.read();

  if (c == 'r') {
    digitalWrite(red, HIGH);
    digitalWrite(green, LOW);
    Serial.println("ghermez");
  } else if (c == 'g') {
    digitalWrite(red, LOW);
    digitalWrite(green, HIGH);
    Serial.println("sabz");
  } else if (c == 'o') {
    digitalWrite(red, LOW);
    digitalWrite(green, LOW);
    Serial.println("khamush");
  }
}