🚦 ماموریت ۲: دو چراغ متناوب

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 (Green) (ANODE)
6. LED (Green) (CATHODE) ⟷ Arduino Uno (GND2)

کد

void setup() {
  pinMode(12, OUTPUT);  // red LED
  pinMode(11, OUTPUT);  // green LED
}

void loop() {
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  delay(700);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  delay(700);
}