// Pinout
#define pirPin 9

#include <SoftwareSerial.h>

#define TXPin 0
#define RXPin 1

SoftwareSerial HC12(TXPin, RXPin); // HC-12 TX Pin, HC-12 RX Pin

void setup() {
  Serial.begin(9600);             // Serial port to computer
  HC12.begin(9600);               // Serial port to HC12
  // put your setup code here, to run once:
  pinMode(pirPin,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int intrusion = digitalRead(pirPin);
  if (intrusion==1){
  	Serial.println("Intruder Detected!");
    HC12.print(intrusion);
  }
  else {
  	Serial.println("No Intruder.");
    HC12.print(intrusion);
  }
  delay(100);
}