Tag: antifurto

I found really useful  rc -switch library to read sensor data.

First of all i wanted to understand what happens  when I activate the door sensor or PIR sensor.
I connected the receiver to Arduino as the table below:

I used the breadboard included in the arduino starter kit. 

I included the rc switch  library and copied it in Arduino library folder.
My filesystem under libraries\RCswitch\ look like:

• keywords.txt
• RCSwitch.cpp
• RCSwitch.h
• example folder

We can open Arduino Ide and copy and paste this code:

#include <RCSwitch.h>;
RCSwitch mySwitch = RCSwitch();

void setup() {
   Serial.begin(9600);
   mySwitch.enableReceive(0); // Receiver on inerrupt 0 =&gt; that is pin #2
}

void loop() {
   if (mySwitch.available()) {

      int value = mySwitch.getReceivedValue();

      if (value == 0) {
         Serial.print("Unknown encoding");
     } else {
         Serial.print("Received ");
         Serial.print( mySwitch.getReceivedValue() );
         Serial.print(" / ");
         Serial.print( mySwitch.getReceivedBitlength() );
         Serial.print("bit ");
         Serial.print("Protocol: ");
         Serial.println( mySwitch.getReceivedProtocol() );
      }

      mySwitch.resetAvailable();
   }
}

Uploading sketch to Arduino  and opening console monitor on 9600 baud I can read this values:

1. door sensor 1: Received 1398111 / 24bit Protocol: 1
2. door sensor 2: Received 1394004 / 24bit Protocol: 1
3. PIR sensor      :Received 1392102 / 24bit Protocol: 1

At this point I can use these values ​​to intercept door opening or movements into house and  make Arduino send me an email or a text message.
I opted to receive an email: here comes ethernet shield .