diff --git a/main.c b/main.c
index 064237c..d6ea71e 100644
--- a/main.c
+++ b/main.c
@@ -17,11 +17,18 @@ int main(int argc, char *argv[]){
 	fd= open("/sys/class/gpio/chip0/gpio17/value",O_WRONLY);
 	write(fd,"1",1);
 	close(fd);
+	sleep(1);
+	//pin value
+	fd= open("/sys/class/gpio/chip0/gpio17/value",O_WRONLY);
+	write(fd,"0",1);
+	close(fd);
+	sleep(1);
 
 	//unexport
 	fd= open("/sys/class/gpio/chip0/unexport",O_WRONLY);
 	write(fd,"17",2);
 	close(fd);
+	
 
 	printf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n");
 	printf("Number of arguments: %d\n",argc);