#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,4,3,2);
byte heart[8]=
{
0b00000,
0b01010,
0b11111,
0b11111,
0b11111,
0b01110,
0b00110,
0b00000
};
byte smile[8]=
{
0b00000,
0b00000,
0b01010,
0b00000,
0b10001,
0b01110,
0b00000,
0b00000
};
void setup() {
lcd.begin(20,4);
};

void loop() {
  lcd.createChar(1,heart);
  lcd.print("ESP32"+byte(1));
};