nextion_text

unsigned long cur_time, old_time;
int count = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial1.begin(9600, SERIAL_8N1, 18, 19);
}

void loop() {
  cur_time = millis();
  if (cur_time - old_time >= 1000) {
    count++;
    Serial.println(count                                                         );
    tampil_text("t0", "Counter");
    tampil_text("t1", String(count));
    old_time = cur_time;
  }

}

void tampil_text(String _add_txt, String _txt_display) {
  String buf_txt = _add_txt + ".txt="  + "\"" + _txt_display + "\"";
  Serial1.print(buf_txt);
  Serial1.write(0xff);
  Serial1.write(0xff);
  Serial1.write(0xff);
}