#include <LiquidCrystal.h>

LiquidCrystal lcd(10, 9, 8, 5, 4, 3, 2);

byte smiley[8] = {
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
};

void setup() {
  lcd.createChar(0, smiley);
  lcd.begin(40,4);
  lcd.write(byte(0));

}

void loop() {
   int value = analogRead(A0);
   int valore = map (value , 0 , 1023 , 0 , 40);
   lcd.setCursor(, 0)
}