참고로 소스 코드는 다음과 같습니다
#include <wiringPi.h>
int main (void)
{
wiringPiSetup () ;
pinMode (1, OUTPUT) ;
while(1)
{
digitalWrite (1, HIGH) ; delay (5) ;
//digitalWrite (1, HIGH) ; delay (1) ;
//digitalWrite (1, LOW) ; delay (1) ;
digitalWrite (1, LOW) ; delay (5) ;
}
return 0 ;
}