#define potpin 15
int ledcount=10;
int ledpins[]={13,12,27,26,25,19,18,5,17,4};
void setup() 
{
  pinMode(potpin, INPUT);
  for(int thisled=0;thisled<ledcount;thisled++)
  {
    pinMode(ledpins[thisled], OUTPUT);
  }
  Serial.begin(115200);
}

void loop() 
{
  int ledlevel=analogRead(potpin);
  Serial.println(ledlevel);
  int ledgraph=map(ledlevel,0,4095,0,ledcount);
  for (int thisled=0;thisled<ledcount;thisled++){
  if(thisled<ledgraph){
    digitalWrite(ledpins[thisled], HIGH);
  }
  else{
    digitalWrite(ledpins[thisled], LOW);
  }
 }
}