🆘 ماموریت ۷: پیام SOS

سیم‌کشی

1. Arduino Uno (D12) ⟷ مقاومت 220Ω (PIN1)
2. مقاومت 220Ω (PIN2) ⟷ LED (Red) (ANODE)
3. LED (Red) (CATHODE) ⟷ Arduino Uno (GND1)
4. Arduino Uno (D11) ⟷ مقاومت 220Ω (PIN1)
5. مقاومت 220Ω (PIN2) ⟷ LED (Blue) (ANODE)
6. LED (Blue) (CATHODE) ⟷ Arduino Uno (GND2)

کد

// Police lights! 🚓 Red and blue strobe.
const int RED  = 12;
const int BLUE = 11;

void setup() {
  pinMode(RED, OUTPUT);
  pinMode(BLUE, OUTPUT);
}

void flashTwice(int pin) {
  for (int i = 0; i < 2; i++) {
    digitalWrite(pin, HIGH);
    delay(80);
    digitalWrite(pin, LOW);
    delay(60);
  }
}

void loop() {
  flashTwice(RED);
  flashTwice(BLUE);
}