#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 20, 4);
// LCD Custom Character & Emoji
// LCD 5×8 pixel
// LCD pixel byte B11111
void setup()
{
Serial.begin(115200);
LCD.init();
LCD.backlight();
byte Bell[] = {
B00100,
B01110,
B01110,
B01110,
B11111,
B00000,
B00100,
B00000
};
LCD.createChar(1, Bell);
LCD.clear();
LCD.setCursor(0,1);
LCD.write(byte(1));
}
void loop() {
}