Tutorial Arduino UNO R3 Membuat Jam Digital Arduino

#include

LiquidCrystal lcd(13, 12, 5, 4, 3, 2);

void setup() {

Serial.begin(9600);

lcd.begin(16,2);

setTime (00,55,00,24,7,14); //(Jam,Menit,Detik,Tanggal,Bulan,Tahun)

}

void loop(){

//Pertama, Kalender Tahun 2015

if(day() >= 28 && month() == 2 && year() == 15){

setTime(0,0,0,1,3,15); }

else if(day() >= 30 && month() == 4 && year() == 15){

setTime(0,0,0,1,5,15); }

else if(day() >= 30 && month() == 6 && year() == 15){

setTime(0,0,0,1,7,15); }

else if(day() >= 30 && month() == 9 && year() == 15){

setTime(0,0,0,1,10,15); }

else if(day() >= 30 && month() == 11 && year() == 15){

setTime(0,0,0,1,12,15); }

//Kedua, Kalender Tahun 2016

else if(day() >= 29 && month() == 2 && year() == 16){

setTime(0,0,0,1,3,16); }

else if(day() >= 30 && month() == 4 && year() == 16){

setTime(0,0,0,1,5,16); }

else if(day() >= 30 && month() == 6 && year() == 16){

setTime(0,0,0,1,7,16); }

else if(day() >= 30 && month() == 9 && year() == 16){

setTime(0,0,0,1,10,16); }

else if(day() >= 30 && month() == 11 && year() == 16){

setTime(0,0,0,1,12,16); }

//Ketiga, Kalender Tahun 2017

else if(day() >= 28 && month() == 2 && year() == 17){

setTime(0,0,0,1,3,17); }

else if(day() >= 30 && month() == 4 && year() == 17){

setTime(0,0,0,1,5,17); }

else if(day() >= 30 && month() == 6 && year() == 17){

setTime(0,0,0,1,7,17); }

else if(day() >= 30 && month() == 9 && year() == 17){

setTime(0,0,0,1,10,17); }

else if(day() >= 30 && month() == 11 && year() == 17){

setTime(0,0,0,1,12,17); }

//Kemudian, Kelender Tahun 2018

else if(day() >= 28 && month() == 2 && year() == 18){

setTime(0,0,0,1,3,18); }

else if(day() >= 30 && month() == 4 && year() == 18){

setTime(0,0,0,1,5,18); }

else if(day() >= 30 && month() == 6 && year() == 18){

setTime(0,0,0,1,7,18); }

else if(day() >= 30 && month() == 9 && year() == 18){

setTime(0,0,0,1,10,18); }

else if(day() >= 30 && month() == 11 && year() == 18){

setTime(0,0,0,1,12,18); }

//Kemudian, Kelender Tahun 2019

else if(day() >= 28 && month() == 2 && year() == 19){

setTime(0,0,0,1,3,19); }

else if(day() >= 30 && month() == 4 && year() == 19){

setTime(0,0,0,1,5,19); }

else if(day() >= 30 && month() == 6 && year() == 19){

setTime(0,0,0,1,7,19); }

else if(day() >= 30 && month() == 9 && year() == 19){

setTime(0,0,0,1,10,19); }

else if(day() >= 30 && month() == 11 && year() == 19){

setTime(0,0,0,1,12,19); }

//Selanjutnya Kelender Tahun 2020

else if(day() >= 29 && month() == 2 && year() == 20){

setTime(0,0,0,1,3,20); }

else if(day() >= 30 && month() == 4 && year() == 20){

setTime(0,0,0,1,5,20); }

else if(day() >= 30 && month() == 6 && year() == 20){

setTime(0,0,0,1,7,20); }

else if(day() >= 30 && month() == 9 && year() == 20){

setTime(0,0,0,1,10,20); }

else if(day() >= 30 && month() == 11 && year() == 20){

setTime(0,0,0,1,12,20); }

else if(hour() == 0 && minute() == 0 && second() == 0){

lcd.clear();

lcd.print (“Date: “);

printkurangdarinol(day());

lcd.print(“:”);

printkurangdarinol(month());

lcd.print(“:”);

printkurangdarinol(year());

lcd.setCursor(0,1);

lcd.print(“Time:  “);

printkurangdarinol(hour());

lcd.print(“:”);

printkurangdarinol(minute());

lcd.print(“:”);

printkurangdarinol(second());

}

lcd.print (“Date: “);

printkurangdarinol(day());

lcd.print(“:”);

printkurangdarinol(month());

lcd.print(“:”);

printkurangdarinol(year());

//

lcd.setCursor(0,1);

lcd.print(“Time:  “);

printkurangdarinol(hour());

lcd.print(“:”);

printkurangdarinol(minute());

lcd.print(“:”);

printkurangdarinol(second());

delay (1000);

}

void printkurangdarinol(int data){

if (data >= 0 && data < 10){

lcd.write(‘0’);

}

lcd.print(data);

}