byte led1=3;
byte led2=5;
byte led3=6;
void setup() {
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
}
void loop() {
digitalWrite(led1, HIGH);
delay(3000);
digitalWrite(led1, LOW);
delay(150);
digitalWrite(led2, HIGH);
delay(1000);
digitalWrite(led2, LOW);
delay(150);
digitalWrite(led3, HIGH);
delay(3000);
digitalWrite(led3, LOW);
delay(150);
}