int relayRed = 4;  // Pin relay untuk warna merah
int relayGreen = 16;  // Pin relay untuk warna hijau
int relayBlue = 17;  // Pin relay untuk warna biru

void setup() {
  pinMode(relayRed, OUTPUT);
  pinMode(relayGreen, OUTPUT);
  pinMode(relayBlue, OUTPUT);

  // Mulai dengan semua relay mati
  digitalWrite(relayRed, LOW);
  digitalWrite(relayGreen, LOW);
  digitalWrite(relayBlue, LOW);
}

void loop() {
  // Menghidupkan warna merah
  digitalWrite(relayRed, HIGH);
  delay(1000);
  digitalWrite(relayRed, LOW);
  
  // Menghidupkan warna hijau
  digitalWrite(relayGreen, HIGH);
  delay(1000);
  digitalWrite(relayGreen, LOW);
  
  // Menghidupkan warna biru
  digitalWrite(relayBlue, HIGH);
  delay(1000);
  digitalWrite(relayBlue, LOW);
  
  // Menggabungkan warna
  digitalWrite(relayRed, HIGH);
  digitalWrite(relayGreen, HIGH);
  delay(1000);
  digitalWrite(relayRed, LOW);
  digitalWrite(relayGreen, LOW);
  
  digitalWrite(relayGreen, HIGH);
  digitalWrite(relayBlue, HIGH);
  delay(1000);
  digitalWrite(relayGreen, LOW);
  digitalWrite(relayBlue, LOW);
  
  digitalWrite(relayRed, HIGH);
  digitalWrite(relayBlue, HIGH);
  delay(1000);
  digitalWrite(relayRed, LOW);
  digitalWrite(relayBlue, LOW);
  
  digitalWrite(relayRed, HIGH);
  digitalWrite(relayGreen, HIGH);
  digitalWrite(relayBlue, HIGH);
  delay(1000);
  digitalWrite(relayRed, LOW);
  digitalWrite(relayGreen, LOW);
  digitalWrite(relayBlue, LOW);
}