/*
  ||=====================||
  ||#####################||
  ||    Created by       ||
  ||      Ferdy          ||
  || Lampu RGB 1 tombol  ||
  ||#####################||
  ||=====================||
*/
const int pinR = 5;
const int pinG = 18;
const int pinB = 19;
const int buttonPin = 2;

int FirstButton = 0;
int Lastbutton = 0;
int mode = 0;

void setup() {
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(pinR, OUTPUT);
  pinMode(pinG, OUTPUT);
  pinMode(pinB, OUTPUT);
}

void loop() {
  FirstButton = digitalRead(buttonPin);

  if (FirstButton != Lastbutton) {
    delay(50);
    if (FirstButton == LOW) {
      mode++;
      if (mode > 3) {
        mode = 1;
      }
    }
  }

  switch (mode) {
    case 1:
      digitalWrite(pinR, HIGH);
      digitalWrite(pinG, HIGH);
      digitalWrite(pinB, LOW);
      break;
    case 2:
      digitalWrite(pinR, HIGH);
      digitalWrite(pinG, LOW);
      digitalWrite(pinB, HIGH);
      break;
    case 3:
      digitalWrite(pinR, LOW);
      digitalWrite(pinG, HIGH);
      digitalWrite(pinB, HIGH);
      break;
  }

  Lastbutton = FirstButton;
}