Code Catchup (Timer and Alarm Signal)

Below is the code uploaded to our primary board that controls our Timer and sends a signal to the secondary board at 8:00:00


#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
int s=55; // Adjust the starting seconds
int m=59; // Adjust the starting minutes
int h=7; // Adjust the starting hours
int Alarm_s=0; // Adjust the alarm seconds
int Alarm_m=0; // Adjust the alarm minutes
int Alarm_h=8; // Adjust the alarm hours

boolean x=false;

ISR(TIMER1_OVF_vect) {
 s++;
 if(s==60){
   s=0;
   m++;
 }

 if(m==60){
   m=0;
   h++;
 }

 if(h>23){
   h=0;
 }

 x=!x;

 TCNT1=0x0BDC;

}// end of ISR Function



void setup() {
digitalWrite(9,LOW);
 pinMode(9,OUTPUT);

 lcd.begin(16, 2);
 lcd.setCursor(2,0);
 lcd.print(":");

TIMSK1=0x01; // enabled global and timer overflow interrupt;
TCCR1A = 0x00; // normal operation page 148 (mode0);
TCNT1=0x0BDC; // set initial value to remove time error (16bit counter register)
TCCR1B = 0x04; // start timer/ set clock

}



void loop () {

 if(x==true){

   lcd.setCursor(5,0);

   lcd.print(":");

 }

 else{

   lcd.setCursor(5,0);

 lcd.print(":");}
 seconds();
 minutes();
 hours();


if (h == Alarm_h & m == Alarm_m & s == Alarm_s)
{digitalWrite(9,HIGH);
}
else
{
 digitalWrite(9,LOW);
 } // End of loop function
}
 

 int seconds()
 {

   lcd.setCursor(6,0);

   if(s<10){

     lcd.print("0");}

     lcd.print(s);
     lcd.print(" ");
 }

 int minutes(){

   lcd.setCursor(3,0);

   if(m<10){

     lcd.print("0");}

     lcd.print(m);

 }

 int hours(){

   lcd.setCursor(0,0);

   if(h<10){

     lcd.print("0");}

     lcd.print(h);

 }