//Simple VU meter
// Created by kidkara

byte led[6] {B00000000, B00000100, B00001100, B00011100, B00111100, B01111100};
byte Inpin = A0;

void setup() {
  DDRD = B01111100;
}

void loop() {
  byte potval = map(analogRead(Inpin), 0, 1023, 0, 5);
  PORTD = led[potval];
}