void setup() {
pinMode(3, OUTPUT); //LED RED
pinMode(4, OUTPUT); //LED GREEN
pinMode(5, OUTPUT); //LEDD BLUE
}
void loop() {
digitalWrite(3, HIGH);
delay(1000);
digitalWrite(3, LOW);
digitalWrite(4, HIGH);
delay(1000);
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(1000);
digitalWrite(5, LOW);
}