void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(25,OUTPUT);
  pinMode(18,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(18,HIGH);
  delay(100);
  digitalWrite(18, LOW);
  delay(100);
  digitalWrite(25, HIGH);
  delay(100);
  digitalWrite(25, LOW);



 
}