int led1 = 10;
int led2 = 5;
int dt = 500;
void setup() {
// put your setup code here, to run once:
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
for(int i=1; i<=4; i++){
if(i==1){
digitalWrite(led1, HIGH);
digitalWrite(led2, LOW);
delay(dt);
}
else if(i==2){
digitalWrite(led1, LOW);
digitalWrite(led2, HIGH);
delay(dt);
}
else if (i==3){
digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH);
delay(dt);
}
else {
digitalWrite(led1, LOW);
digitalWrite(led2, LOW);
delay(dt);
}
}
}