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The experiment requires the LCD basic writing that you set up

in the function test.

001 // Integrating LCD-Library

002 #include <LiquidCrystal.h>

003

004 // Specifying LCD pins

005 // RS, E, D4, D5, D6, D7

006 LiquidCrystal lcd(11, 10, 2, 3, 4, 5);

007

008 #define Backlight 9

009

010 byte Hour, Minute, Second;

011

012 void setup()

013 {

014 Serial.begin(9600);

015

016 analogWrite(Backlight, 200);

017

018 lcd.begin(16, 2);

019 lcd.clear();

020 lcd.setCursor(0, 0);

021 lcd.print("ARDUINO PC-CLOCK”);

022

023 Hour= 0;

024 Minute = 0;

025 Second= 0;

026 }

027

028 void loop()

029 {

030

031 if(Serial.available()>3)

032 {

033 Hour = Serial.read();

034 Minute = Serial.read();

035 Second = Serial.read();

036

037 lcd.setCursor(0, 1);

038 lcd.print("NOW: ");

039

040 if(Hour < 24)

041 {

042 if(Hour < 10) lcd.print("0");

043 lcd.print(Hour);