新手求助！编译有误
新手求助！刚学，如下第一个程序，提示编译有误。。。
问题在哪里呢？
求助各位高手了。谢谢！！！
void setup()
{
// put your setup code here, to run once:
for(pinNum=2; pinNum<=9; pinNum++)
{
pinMode(pinNum,OUTPUT);
}
}
void loop()
{
// put your main code here, to run repeatedly:
digitalWrite(9,HIGH);
digitalWrite(8,LOW);
digitalWrite(7,LOW);
digitalWrite(6,LOW);
digitalWrite(5,LOW);
digitalWrite(4,LOW);
digitalWrite(3,LOW);
digitalWrite(2,LOW);
delay(3000);
} for(pinNum=2; pinNum<=9; pinNum++)
{
pinMode(pinNum,OUTPUT);
}
改成
for(byte pinNum=2; pinNum<=9; pinNum++)
{
pinMode(pinNum,OUTPUT);
}
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