I have a code for GPS Clock with U-Blox Neo 6m GPS Module and Output in 16x2 LCD.
I Changed the code for showing the GPS time in DMD P10 Display with DMD2 Library.
After transferring the code to UNO P10 not showing anything. I didn't find anything wrong in the code. 
Please experts see the code and tell me where i did mistake in code.
Thanks in advance.
Original Code: (GPS Module with LCD Display)
#include<LiquidCrystal.h>
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);
#include <SoftwareSerial.h>
SoftwareSerial Serial1(10, 11); // RX, TX
char str[70];
char *test="$GPRMC";
int temp,i;
void setup()
{
lcd.begin(16,2);
Serial1.begin(9600);
lcd.setCursor(0,0);
lcd.print("GPS Clock");
lcd.setCursor(0,1);
lcd.print(" By PULSER ");
delay(300);
}
void loop()
{
serial1Event();
if (temp)
{
lcd.clear();
int str_lenth=i;
int x=0,comma=0;
String UTC_hour="";
String UTC_minut="";
String UTC_second="";
String UTC_date="";
String UTC_month="";
String UTC_year="";
String str1="";
while(x<str_lenth)
{
if(str[x]==',')
comma++;
if(comma==1)
{
x++;
UTC_hour+=str[x++];
UTC_hour+=str[x++];
UTC_minut+=str[x++];
UTC_minut+=str[x++];
UTC_second+=str[x++];
UTC_second+=str[x];
comma=2;
}
if(comma==10)
{
x++;
UTC_date+=str[x++];
UTC_date+=str[x++];
UTC_month+=str[x++];
UTC_month+=str[x++];
UTC_year+=str[x++];
UTC_year+=str[x];
}
x++;
}
int UTC_hourDec=UTC_hour.toInt();
int UTC_minutDec=UTC_minut.toInt();
int Second=UTC_second.toInt();
int Date=UTC_date.toInt();
int Month=UTC_month.toInt();
int Year=UTC_year.toInt();
int Hour=UTC_hourDec+6;
if(Hour>23)
{
Hour-=24;
Date+=1;
}
int Minut=UTC_minutDec+00;
if(Minut>59)
Minut-=60;
// UTC_ind_zone_time
lcd.clear();
lcd.print("Date: ");
lcd.print(Date);
lcd.print("/");
lcd.print(Month);
lcd.print("/");
lcd.print("20");
lcd.print(Year);
lcd.setCursor(0,1);
lcd.print("Time: ");
lcd.print(Hour);
lcd.print(":");
lcd.print(Minut);
lcd.print(":");
lcd.print(Second);
// delay(100);
temp=0;
// j=0;
i=0;
x=0;
str_lenth=0;
// k=0;
}
// delay(1000);
}
void serial1Event()
{
while(1)
{
while (Serial1.available()) //checking serial data from GPS
{
char inChar = (char)Serial1.read();
str[i]= inChar; //store data from GPS into str[]
i++;
if (i < 7)
{
if(str[i-1] != test[i-1]) //checking for $GPRMC sentence
{
i=0;
}
}
if(i>65)
{
temp=1;
break;
}
}
if(temp)
break;
}
}
New Code Made by me: (GPS Module with DMD P10 Display)
// Inserting File Library
#include <SPI.h>
#include <DMD2.h>
#include <fonts/Arial_Black_16.h>
#include <SoftwareSerial.h>
SoftwareSerial Serial1(3, 4); // RX, TX
char str[70];
char *test="$GPRMC";
int temp,i;
// Defining Function
#define Length 2
#define Width 1
// Declaration Function
SoftDMD dmd(Length, Width); // Length x Width
// Declaration Variable
int Hour ;
int Minut ;
int Second ;
char dmdBuff[10];
void setup()
{
dmd.setBrightness(255);
dmd.selectFont(Arial_Black_16);
dmd.begin();
dmd.clearScreen();
Serial1.begin(9600);
}
void loop()
{
serial1Event();
if (temp)
{
int str_lenth=i;
int x=0,comma=0;
String UTC_hour="";
String UTC_minut="";
String UTC_second="";
String UTC_date="";
String UTC_month="";
String UTC_year="";
String str1="";
while(x<str_lenth)
{
if(str[x]==',')
comma++;
if(comma==1)
{
x++;
UTC_hour+=str[x++];
UTC_hour+=str[x++];
UTC_minut+=str[x++];
UTC_minut+=str[x++];
UTC_second+=str[x++];
UTC_second+=str[x];
comma=2;
}
if(comma==10)
{
x++;
UTC_date+=str[x++];
UTC_date+=str[x++];
UTC_month+=str[x++];
UTC_month+=str[x++];
UTC_year+=str[x++];
UTC_year+=str[x];
}
x++;
}
int UTC_hourDec=UTC_hour.toInt();
int UTC_minutDec=UTC_minut.toInt();
int Second=UTC_second.toInt();
int Date=UTC_date.toInt();
int Month=UTC_month.toInt();
int Year=UTC_year.toInt();
int Hour=UTC_hourDec+6;
if(Hour>23)
{
Hour-=24;
Date+=1;
}
int Minut=UTC_minutDec+00;
if(Minut>59)
Minut-=60;
// UTC_ind_zone_time
sprintf(dmdBuff,"%2d:%2d:%2d",Hour,Minut,Second);
dmd.drawString(0,1,dmdBuff);
// delay(100);
temp=0;
// j=0;
i=0;
x=0;
str_lenth=0;
// k=0;
}
// delay(1000);
}
void serial1Event()
{
while(1)
{
while (Serial1.available()) //checking serial data from GPS
{
char inChar = (char)Serial1.read();
str[i]= inChar; //store data from GPS into str[]
i++;
if (i < 7)
{
if(str[i-1] != test[i-1]) //checking for $GPRMC sentence
{
i=0;
}
}
if(i>65)
{
temp=1;
break;
}
}
if(temp)
break;
}
}
