#define PUSH 3

int pushState =0;
int lastPushState =0;
int ledBar[] ={27, 26, 22, 21, 20, 19, 18, 17, 16, 15};
void setup() {
  for(int i = 0; i < 10; i ++){
    pinMode(ledBar [i], OUTPUT);
  }
  pinMode(PUSH, INPUT_PULLUP);
  
}
int counter =0;
void loop() {
  pushState = digitalRead(PUSH);
   if (pushState != lastPushState){
    if (pushState == 1){
      for(int i = 0 ; i < 10 ; i++){
        digitalWrite(ledBar[i], bitRead(counter, i) ?HIGH : LOW);
      }
      counter++;
    }
   }
   lastPushState = pushState;
   delay(50);
  }