⏱️ ماموریت ۱۷: چشمک بدون delay

سیم‌کشی

1. Arduino Uno (D2) ⟷ Push Button (PIN_A1)
2. Push Button (PIN_B1) ⟷ Arduino Uno (GND1)
3. Arduino Uno (D8) ⟷ بازر زنگی (POS)
4. بازر زنگی (NEG) ⟷ Arduino Uno (GND2)
5. Arduino Uno (D13) ⟷ Resistor (220Ω) (PIN1)
6. Resistor (220Ω) (PIN2) ⟷ LED (Red) (ANODE)
7. LED (Red) (CATHODE) ⟷ Arduino Uno (GND2)
8. Arduino Uno (D12) ⟷ Resistor (220Ω) (PIN1)
9. Resistor (220Ω) (PIN2) ⟷ LED (Green) (ANODE)
10. LED (Green) (CATHODE) ⟷ Arduino Uno (GND2)

کد

const int fast = 13, slow = 12, buzzer = 8, button = 2;

unsigned long tFast = 0, tSlow = 0;
bool fastOn = false, slowOn = false;

void setup() {
  pinMode(fast, OUTPUT);
  pinMode(slow, OUTPUT);
  pinMode(buzzer, OUTPUT);
  pinMode(button, INPUT_PULLUP);
  Serial.begin(9600);
}

void loop() {
  unsigned long now = millis();

  if (now - tFast >= 200) {
    tFast = now;
    fastOn = !fastOn;
    digitalWrite(fast, fastOn);
  }

  if (now - tSlow >= 1000) {
    tSlow = now;
    slowOn = !slowOn;
    digitalWrite(slow, slowOn);
  }

  if (digitalRead(button) == LOW) tone(buzzer, 880, 60);
}