Keyestudio KS0436 Kit Manual page 116

break;
case 8: Num_8();
break;
case 9: Num_9();
break;
default: Clear();
break;
}
}
void Display(unsigned char x, unsigned char Number)//
coordinate and display number
{
WeiXuan(x);
pickNumber(Number);
delay(1);
Clear() ; // clear the screen
}
Hookup well and upload the code to board, the 4-digit LED display will
What You Will See:
show the jumping number among 0000-9999.
116
take x as