#4


1int delayTime = 60;
2void setup() {
3 pinMode(2,OUTPUT);
4 pinMode(3,OUTPUT);
5}
6void loop() {
7 for(int i=0;i<3;i++){
8 digitalWrite(2,HIGH);
9 delay(delayTime);
10 digitalWrite(2,LOW);
11 delay(delayTime);
12 }
13
14 for(int i=0;i<3;i++){
15 digitalWrite(3,HIGH);
16 delay(delayTime);
17 digitalWrite(3,LOW);
18 delay(delayTime);
19 }
20}