CD4511 七段解碼器實驗

void setup()
{
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
}
void loop()
{
for (int i=0; i<10;i++)
{
if ((i&0x1)!=0)
digitalWrite(2, HIGH);
else
digitalWrite(2, LOW);
if ((i&0x2)!=0)
digitalWrite(3, HIGH);
else
digitalWrite(3, LOW);
if ((i&0x4)!=0)
digitalWrite(4, HIGH);
else
digitalWrite(4, LOW);
if ((i&0x8)!=0)
digitalWrite(5, HIGH);
else
digitalWrite(5, LOW);
delay(1000);
}
}

void setup()
{
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
}
void loop()
{
digitalWrite(2, LOW);//0
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, HIGH);//1
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, LOW);//2
digitalWrite(3, HIGH);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, HIGH);//3
digitalWrite(3, HIGH);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, LOW);//4
digitalWrite(3, LOW);
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, HIGH);//5
digitalWrite(3, LOW);
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, LOW);//6
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, HIGH);//7
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(2, LOW);//8
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(1000);
digitalWrite(2, HIGH);//9
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(1000);
}