🌈 ماموریت ۱۴: ساخت رنگ

سیم‌کشی

1. Arduino Uno (GND1) ⟷ LED سه‌رنگ (RGB) (CATHODE)
2. Arduino Uno (D9) ⟷ مقاومت 220Ω (PIN1)
3. مقاومت 220Ω (PIN2) ⟷ LED سه‌رنگ (RGB) (R)
4. Arduino Uno (D10) ⟷ مقاومت 220Ω (PIN1)
5. مقاومت 220Ω (PIN2) ⟷ LED سه‌رنگ (RGB) (G)
6. Arduino Uno (D11) ⟷ مقاومت 220Ω (PIN1)
7. مقاومت 220Ω (PIN2) ⟷ LED سه‌رنگ (RGB) (B)

کد

// Mood lamp — the RGB LED slowly cycles through all colors.
const int R = 9, G = 10, B = 11;

void setup() {
  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);
}

void loop() {
  // red → yellow
  for (int i = 0; i <= 255; i += 5) { analogWrite(G, i); delay(30); }
  // yellow → green
  for (int i = 255; i >= 0; i -= 5) { analogWrite(R, i); delay(30); }
  // green → cyan
  for (int i = 0; i <= 255; i += 5) { analogWrite(B, i); delay(30); }
  // cyan → blue
  for (int i = 255; i >= 0; i -= 5) { analogWrite(G, i); delay(30); }
  // blue → magenta
  for (int i = 0; i <= 255; i += 5) { analogWrite(R, i); delay(30); }
  // magenta → red
  for (int i = 255; i >= 0; i -= 5) { analogWrite(B, i); delay(30); }
}