//宣告
//int 變數名稱 = 腳位；
int a=15,b=2,c=4,d=5,e=18,f=19,g=21;
int sel = 12;
int horz= 35;
int vert =34;
void setup() {
//設定 (初始化 )
pinMode(a, OUTPUT);
pinMode(b, OUTPUT);
pinMode(c, OUTPUT);
pinMode(d, OUTPUT);
pinMode(e, OUTPUT);
pinMode(f, OUTPUT);
pinMode(g, OUTPUT);
pinMode(sel, INPUT);
pinMode(horz, INPUT);
pinMode(vert, INPUT);
}

void loop() {
//迴圈
//9
digitalWrite(a,0);
digitalWrite(b,0);
digitalWrite(c,0);
digitalWrite(d,0);
digitalWrite(e,0);
digitalWrite(f,0);
digitalWrite(g,1);
delay(500);
//0
digitalWrite(a,1);
digitalWrite(b,1);
digitalWrite(c,1);
digitalWrite(d,1);
digitalWrite(e,1);
digitalWrite(f,1);
digitalWrite(g,1);
delay(500);
//1
digitalWrite(a,1);
digitalWrite(b,0);
digitalWrite(c,0);
digitalWrite(d,1);
digitalWrite(e,1);
digitalWrite(f,1);
digitalWrite(g,1);
delay(500);
//2
digitalWrite(a,0);
digitalWrite(b,0);
digitalWrite(c,1);
digitalWrite(d,0);
digitalWrite(e,0);
digitalWrite(f,1);
digitalWrite(g,0);
delay(500);
//3
digitalWrite(a,0);
digitalWrite(b,0);
digitalWrite(c,0);
digitalWrite(d,0);
digitalWrite(e,1);
digitalWrite(f,1);
digitalWrite(g,0);
delay(500);
//4
digitalWrite(a,1);
digitalWrite(b,0);
digitalWrite(c,0);
digitalWrite(d,1);
digitalWrite(e,1);
digitalWrite(f,0);
digitalWrite(g,0);
delay(500);
//5
digitalWrite(a,0);
digitalWrite(b,1);
digitalWrite(c,0);
digitalWrite(d,0);
digitalWrite(e,1);
digitalWrite(f,0);
digitalWrite(g,0);
delay(500);
//6
digitalWrite(a,0);
digitalWrite(b,1);
digitalWrite(c,0);
digitalWrite(d,0);
digitalWrite(e,0);
digitalWrite(f,0);
digitalWrite(g,0);
delay(500);
//7
digitalWrite(a,0);
digitalWrite(b,0);
digitalWrite(c,0);
digitalWrite(d,1);
digitalWrite(e,1);
digitalWrite(f,1);
digitalWrite(g,1);
delay(500);

//8
digitalWrite(a,0);
digitalWrite(b,0);
digitalWrite(c,0);
digitalWrite(d,0);
digitalWrite(e,0);
digitalWrite(f,0);
digitalWrite(g,0);
delay(500);
//9
digitalWrite(a,0);
digitalWrite(b,0);
digitalWrite(c,0);
digitalWrite(d,0);
digitalWrite(e,1);
digitalWrite(f,0);
digitalWrite(g,0);
delay(500);

}