🚥 ماموریت ۶: چراغ راهنمایی

سیم‌کشی

1. Arduino Uno (D11) ⟷ مقاومت 220Ω (PIN1)
2. مقاومت 220Ω (PIN2) ⟷ LED (Red) (ANODE)
3. LED (Red) (CATHODE) ⟷ Arduino Uno (GND1)
4. Arduino Uno (D10) ⟷ مقاومت 220Ω (PIN1)
5. مقاومت 220Ω (PIN2) ⟷ LED زرد (ANODE)
6. LED زرد (CATHODE) ⟷ Arduino Uno (GND2)
7. Arduino Uno (D9) ⟷ مقاومت 220Ω (PIN1)
8. مقاومت 220Ω (PIN2) ⟷ LED (Green) (ANODE)
9. LED (Green) (CATHODE) ⟷ Arduino Uno (GND1)

کد

// Traffic light cycle.
const int RED = 11, YELLOW = 10, GREEN = 9;

void setup() {
  pinMode(RED, OUTPUT);
  pinMode(YELLOW, OUTPUT);
  pinMode(GREEN, OUTPUT);
}

void loop() {
  digitalWrite(GREEN, HIGH);
  digitalWrite(YELLOW, LOW); digitalWrite(RED, LOW);
  delay(3000);
  digitalWrite(GREEN, LOW); digitalWrite(YELLOW, HIGH);
  delay(1000);
  digitalWrite(YELLOW, LOW); digitalWrite(RED, HIGH);
  delay(3000);
}