/*Code for App*/

#include <SoftwareSerial.h>
SoftwareSerial softSerial(2, 1); //RX, TX

void setup() {
  // put your setup code here, to run once:
 pinMode(3, OUTPUT);
 pinMode(4, OUTPUT);

softSerial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
if(softSerial.available()){
char val = softSerial.read();
if(val == 'y'){
 digitalWrite(3, HIGH);  
 digitalWrite(4, HIGH); 
}
if(val == 'n'){
  digitalWrite(3, LOW);
  digitalWrite(4, LOW); 
}

   }
}