const int pot = A5;


const int ledcount = 10; 

int ledpin[]={
 3,4,5,6,7,8,9,10,11,12,
};

void setup() {

  Serial.begin(9600);
  for (int thisled = 0; thisled < ledcount; thisled++) {
  pinMode(ledpin[thisled], OUTPUT);
  
}
}

void loop() {

int valp = analogRead(pot);
int VALP = map(valp, 0, 1023, 0, ledcount);

Serial.println(VALP);
for (int thisled = 0; thisled < ledcount; thisled++) {

    if (thisled < VALP){
    digitalWrite(ledpin[thisled], HIGH);
    }
     else {
    digitalWrite(ledpin[thisled], LOW);
    }

    //Serial.print(thisled);
  }
}