// Forum: https://forum.arduino.cc/t/weird-lcd-problem-it-works-but-not-all-the-time/1230209
// This Wokwi project: https://wokwi.com/projects/391110144180839425

#include <LiquidCrystal.h>

const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  lcd.begin(16, 2);
  lcd.print("John");
}

void loop() {
  lcd.setCursor(0, 1);
  lcd.print(millis()/1000);
}