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}
// display number8
void digital_8(void)
{
unsigned char j;
for(j=5;j<=11;j++)
digitalWrite(j,LOW);
digitalWrite(dp,HIGH);
}
void setup()
{
int i;//define i
for(i=4;i<=11;i++)
pinMode(i,OUTPUT);//set pin4~pin11 output
}
void loop()
{
while(1)
{
digital_1();//number 1
delay(2000);//delay 2s
digital_2();
delay(2000);
digital_3();
delay(2000);
digital_4();
delay(2000);
digital_5();
delay(2000);
digital_6();
delay(2000);
digital_7();
delay(2000);
digital_8();
delay(2000);
}
}