lcd.ino

// This is for the OSEPP 16x2 Arduino LCD Shield
// Also need the library from https://osepp.com/downloads/LCDKeypad.zip

// include the library code:
#include <LiquidCrystal.h>

// initialize the library with the numbers of the interface pins
//LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

String inData;

void setup() {
   lcd.begin(16, 2);  
   Serial.begin(115200);
}

void loop() {
    while (Serial.available() > 0)
    {
        char recieved = Serial.read();
        inData += recieved; 
        
        if (recieved == '*')
        {
            inData.remove(inData.length() - 1, 1);
            lcd.setCursor(0,0);
            lcd.print(inData);
            inData = ""; 
            
            if(inData == "DIS")
            {   
              lcd.clear();
              lcd.setCursor(0,0);
              lcd.print("Disconnected!");
            }
        } 
        
        if (recieved == '#')
        {
            inData.remove(inData.length() - 1, 1);
            lcd.setCursor(0,1);
            lcd.print(inData);
            inData = ""; 
        }
    }
}

lcd.py

# Corresponding Python snippet to show date and time

import serial
import time
import datetime

ser = serial.Serial("COM4", 115200)

while True:
    ser.write((datetime.datetime.now().strftime('%x') + "*").encode('ascii'))
    ser.write((datetime.datetime.now().strftime('%X') + "#").encode('ascii'))
    time.sleep(1)