#include <LiquidCrystal.h>
LiquidCrystal lcd(/*RS=*/8, /*E=*/7, /*D4~D7=*/5, 4, 3, 2);

const byte smiley[8] = {
  B00000,
  B10001,
  B00000,
  B00000,
  B10001,
  B01110,
  B00000,
};

void setup() {
  analogWrite(6, 100);
  lcd.begin(16, 2);
  lcd.clear();

  lcd.createChar(0, smiley);
  lcd.setCursor(0, 0);
  lcd.write((byte)0);
}

void loop() {

}