Did you have a question?

A photocell is pretty easy to connect to an arduino.

The next part would be GSM so you can send text.  This one looks easy to use, https://www.sparkfun.com/products/9607

Are you printing "!!!" anywhere in your code?

The code is in reply #2

If you haven't noticed, if the poster is wrong or has a mistake in their post, someone everyone will point it out.

Code:

if(sensorValue =  0) {

Needs to be:

Code:

if(sensorValue ==  0) {

'=' is an assignment, '==' is equal to.

You need to change:

Code:

gpsSerial.begin(9600);

to

Code:

Serial1.begin(9600);

Then, make sure you connected the GPS to pins 19 (RX) and 18 (TX)

NOTE:  Make sure you change all 'gpsSerial' to 'Serial1'!

http://arduino.cc/en/Tutorial/ShiftOut

Post your test sketch.

Yet, he's right, the 5V and GND pins need to be switched on the ICSP.

Sorry liudr, if I knew anything about the shield or even owned one, we would troubleshoot it together..

I get spam in Chinese all the time.. 

Wizdum, that is a brilliant email reply!

I agree, with cycle, I come on this forum a few times a day and this is the first time I have seen this post.

Anyway, congrats on the working system!  You should post up a little tutorial on instructables or somewhere.  Lots of people have trouble getting a "security" system working.

I am actually glad to hear that.  BatchPCB was terrible the last several months..  Just hope Laen can keep up with the new demand..

Eh, I knew someone would chime in with code changes...