#include <OneButton.h>

int leftOut = 3;
int rightOut = 4;

OneButton button(2, false, false);
OneButton button2(12, false, false);

void setup() { 

  pinMode(leftOut, OUTPUT);
  pinMode(rightOut, OUTPUT); 

  button.attachClick(leftChange);
  button2.attachClick(rightChange);

}

void loop() { 

 button.tick();
 button2.tick();

}

void leftChange() {

  digitalWrite(leftOut,HIGH);
  delay(500);
  digitalWrite(leftOut, LOW);
  delay(500);
  digitalWrite(leftOut,HIGH);
  delay(500);
  digitalWrite(leftOut,LOW);
  delay(500);
  digitalWrite(leftOut, HIGH);
  delay(500);
  goto stop;

stop:
  digitalWrite(leftOut, LOW);
}

void rightChange() {

  digitalWrite(rightOut,HIGH);
  delay(500);
  digitalWrite(rightOut, LOW);
  delay(500);
  digitalWrite(rightOut,HIGH);
  delay(500);
  digitalWrite(rightOut,LOW);
  delay(500);
  digitalWrite(rightOut, HIGH);
  delay(500);
  goto stop;

stop:
  digitalWrite(rightOut, LOW);
}