b  #include <LiquidCrystal.h>

const int rs = 12, en = 13, d4 = 19, d5 = 21, d6 = 22, d7 = 23;

byte bellIcon[8] = {
  0b00100,
  0b01110,
  0b01110,
  0b01110,
  0b11111,
  0b00000,
  0b00100,
  0b00000
};

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {

  lcd.begin(16, 2);

  lcd.createChar(0, bellIcon);

  lcd.setCursor(0, 0);
  lcd.write((uint8_t)0);
  //lcd.print(" Bell Icon");
}

void loop() {
  // Nothing in loop for this example
}
esp:0
esp:2
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esp:12
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esp:3V3
esp:EN
esp:VP
esp:VN
esp:GND.1
esp:D2
esp:D3
esp:CMD
esp:5V
esp:GND.2
esp:TX
esp:RX
esp:GND.3
esp:D1
esp:D0
esp:CLK
lcd1:VSS
lcd1:VDD
lcd1:V0
lcd1:RS
lcd1:RW
lcd1:E
lcd1:D0
lcd1:D1
lcd1:D2
lcd1:D3
lcd1:D4
lcd1:D5
lcd1:D6
lcd1:D7
lcd1:A
lcd1:K