Are there any personal wifi DIY home security systems?

Are there any personal wifi DIY home security systems? I'm looking for a home security system that will work through my home wifi that would allow me to purchase components and add to it as I see fit.

Does such a system exist?
EindoofusAsked:
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MetallimirkCommented:
Hi, can you elaborate more on what you need? I am confused as if you are asking:

1) A home security \ alarm system for your house using wireless webcams & software. if so see URL below:
http://www.makeuseof.com/tag/how-to-build-a-wifi-home-surveillance-system-with-your-pc/

2) Home wifi security to secure internet usage and access for PC's connected thru your wireless router.

Hope the url above solves your question.
CallandorCommented:
If you use wireless IP cameras, then it will use your home wifi - they tend to be more expensive than wired solutions, though.  If you decide to go this route, add a surveillance card to a pc, such as a Geovision or Avermedia card http://www.apexcctv.com/c-23-dvr-cards.aspx.  They will come with software to control recording from the cameras, remote viewing, alert management and searching of archives.
EindoofusAuthor Commented:
I'm looking for something that is more like a traditional home alarm security system that simply monitors windows and doors that can be locked using a keypad, and where all the components communicate with each other over wifi. I'm more interested in an audible alarm rather than a web cam monitoring system.
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MetallimirkCommented:
I have not yet seen such a product.
CallandorCommented:

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EindoofusAuthor Commented:
Thanks! :)
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