Checks my front door status. Sends status over RF-communication.

FrontdoorSensorReedSensor.ino

//To make more serial ports
#include <SoftwareSerial.h>

SoftwareSerial remoteSerial(2, 3); //Use pins 2 and 3 to connect the Serial connection

const int light = 13; //output and light
const int reedPin = 5; //read info from the Reed

//vars
int output = LOW;
int readState = LOW;

void setup()
{
  pinMode(reedPin,INPUT);
  pinMode(light,OUTPUT);
  Serial.begin(9600);	  // Debugging only
  remoteSerial.begin(9600);
}

void loop()
{
  readState = digitalRead(reedPin);
  
  if(readState)
  {
    digitalWrite(light,LOW);
    Serial.println("Deur open");
    remoteSerial.println("O");
  }
  else
  {
    digitalWrite(light,HIGH);
    Serial.println("Deur dicht");
    remoteSerial.println("C");
  }  
  delay(2000);
}