#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
byte hertz[8]={
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000,
};

byte nonhertz[8]={
  0b00000,
  0b00000,
  0b00100,
  0b00100,
  0b00100,
  0b01110,
  0b00000,
  0b00000,
};

byte e[8]={
  0b11111,
  0b10000,
  0b10000,
  0b11100,
  0b10000,
  0b10000,
  0b11111,
  0b00000,
};
byte l[8]={
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b11111,
  0b00000,
};
byte n[8] = {
  0b10001,
  0b11001,
  0b11001,
  0b10101,
  0b10101,
  0b10011,
  0b10011,
  0b00000,
};
void setup() {
  lcd.begin(16, 2);
  lcd.createChar(1, hertz);
  lcd.createChar(2, nonhertz);
  lcd.createChar(3, e);
  lcd.createChar(5, e);
  lcd.createChar(4, l);
  lcd.createChar(6, n);
}

void loop() {
  lcd.setCursor(0, 0);
  lcd.write(1);
  lcd.write(2);
  lcd.write(3);
  lcd.write(4);
  lcd.write(5);
  lcd.write(6);
}