void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(12, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(16, OUTPUT);
  pinMode(17, OUTPUT);
  pinMode(5, OUTPUT);
}

void loop() { 
digitalWrite(12, HIGH);
digitalWrite(16, HIGH);
delay(1000);
digitalWrite(12, LOW);
digitalWrite(16, LOW);
digitalWrite(14, HIGH);
digitalWrite(17, HIGH);
delay(1000);
digitalWrite(14, LOW);
digitalWrite(17, LOW);
digitalWrite(26, HIGH);
digitalWrite(5, HIGH);
delay(1000);
digitalWrite(26, LOW);
digitalWrite(5, LOW);
}