Simulasi Arduino dengan Tinkercad

• Input: 4 button
• Output: led dan buzzer (4 mode untuk setiap button)

int led1 = 4;
int led2 = 5;
int led3 = 2;
int led4 = 3;
int bt1 = 10;
int bt2 = 9;
int bt3 = 8;
int bt4 = 11;
int buzzer = 6;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(bt1, INPUT_PULLUP);
  pinMode(bt2, INPUT_PULLUP);
  pinMode(bt3, INPUT_PULLUP);
  pinMode(bt4, INPUT_PULLUP);
  pinMode(buzzer, OUTPUT);
}

void loop() {
  int b1 = digitalRead(bt1);
  int b2 = digitalRead(bt2);
  int b3 = digitalRead(bt3);
  int b4 = digitalRead(bt4);
  if(b1 == LOW) {
    mode1();
  }
  else if(b2 == LOW) {
    mode2();
  }
  else if(b3 == LOW) {
    mode3();
  }
  else if(b4 == LOW) {
    wiuwiu();
  }
  else {
    mode0();
  }
}

void mode0() {
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
}
void mode1() {
  digitalWrite(led1, HIGH);
  digitalWrite(led2, HIGH);
  delay(150);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  delay(100);
  digitalWrite(led1, HIGH);
  digitalWrite(led2, HIGH);
  delay(150);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, HIGH);
  digitalWrite(led4, HIGH);
  delay(150);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
  delay(100);
  digitalWrite(led3, HIGH);
  digitalWrite(led4, HIGH);
  delay(150);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
}
void mode2() {
  digitalWrite(led1, HIGH);
  delay(100);
  digitalWrite(led1, LOW);
  digitalWrite(led2, HIGH);
  delay(100);
  digitalWrite(led2, LOW);
  digitalWrite(led3, HIGH);
  delay(100);
  digitalWrite(led3, LOW);
  digitalWrite(led4, HIGH);
  delay(100);
  digitalWrite(led4, LOW);
}
void mode3() {
  digitalWrite(led4, HIGH);
  delay(100);
  digitalWrite(led4, LOW);
  digitalWrite(led3, HIGH);
  delay(100);
  digitalWrite(led3, LOW);
  digitalWrite(led2, HIGH);
  delay(100);
  digitalWrite(led2, LOW);
  digitalWrite(led1, HIGH);
  delay(100);
  digitalWrite(led1, LOW);
}
void wiuwiu() {
  tone(buzzer,1000);  delay(500);
  tone(buzzer,250);
  delay(500);
  noTone(buzzer);
}

Link: https://www.tinkercad.com/things/j4DM9I0xMGz-led-kelap-kelip/