#include <SoftwareSerial.h>
int sleepModePin = 4;    
int lectura;
SoftwareSerial ePir = SoftwareSerial(4,3);  

void setup() {
	pinMode(sleepModePin, OUTPUT);
	digitalWrite(sleepModePin, HIGH);
	ePir.begin(9600);
	Serial.begin(9600);
}

void loop() {
      ePir.print("a");
      while(!ePir.available()) {;}
      Serial.print(ePir.read());
      delay(2000);
}



