1const int in1 = 9;
2const int in2 = 8;
3const int in3 = 4;
4const int in4 = 3;
5
6void setup() {
7 pinMode (in1, OUTPUT);
8 pinMode (in2, OUTPUT);
9 pinMode (in3, OUTPUT);
10 pinMode (in4, OUTPUT);
11
12}
13
14void loop() {
15
16 digitalWrite(in1, HIGH);
17 digitalWrite(in2, LOW);
18 digitalWrite(in3, HIGH);
19 digitalWrite(in4, LOW);
20 delay(2000);
21
22
23 digitalWrite(in1, LOW);
24 digitalWrite(in2, HIGH);
25 digitalWrite(in3, LOW);
26 digitalWrite(in4, HIGH);
27 delay(2000);
28
29
30 digitalWrite(in1, HIGH);
31 digitalWrite(in2, LOW);
32 digitalWrite(in3, LOW);
33 digitalWrite(in4, HIGH);
34 delay(2000);
35
36
37 digitalWrite(in1, LOW);
38 digitalWrite(in2, HIGH);
39 digitalWrite(in3, HIGH);
40 digitalWrite(in4, LOW);
41 delay(2000);
42
43
44}
45