How to search for projects

I want to make a burglar system. Where can I search for similar projects like mine.

There are plenty of simple circuits available on youtube.

The above link is one of them.
Hope it helped!

Searching for Projects . You can search for projects in one of two ways: Search box. Use the search box if you know 192.168.o.1 the name of the project or want to search … The Project Portfolio is designed to help you quickly find projects in your system based on a range of search criteria. You can search for projects by name …

Dude, try out… It has a colloection of really cool projects… Check it out
Hope it helps:)