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}
// display number4
void digital_4(void)
{
digitalWrite(c,LOW);
digitalWrite(b,LOW);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
digitalWrite(dp,HIGH);
digitalWrite(a,HIGH);
digitalWrite(e,HIGH);
digitalWrite(d,HIGH);
}
// display number5
void digital_5(void)
{
unsigned char j;
for(j=7;j<=9;j++)
digitalWrite(j,LOW);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(dp,HIGH);
digitalWrite(b,HIGH);
digitalWrite(e,HIGH);
}
// display number6
void digital_6(void)
{
unsigned char j;
for(j=7;j<=11;j++)
digitalWrite(j,LOW);
digitalWrite(c,LOW);
digitalWrite(dp,HIGH);
digitalWrite(b,HIGH);
}
// display number7
void digital_7(void)
{
unsigned char j;
for(j=5;j<=7;j++)
digitalWrite(j,LOW);
digitalWrite(dp,HIGH);
for(j=8;j<=11;j++)
digitalWrite(j,HIGH);