Q&A: how to hook up motion sensor up to computer?

Question by Rosemary: how to hook up movement sensor up to computer?
just for an experiement..is there anything at all out there that has that capacity?
i want to place up sensors along my driveway in front of home..which all with each other id say about 100 ft.
rather of that anoying beeping noise also, i want to be able to keep an eye on in the property from my pc which im at most of the time. it's possible later on add camera(cost-effective night time vision)(and im talking about which genuinely sees in the darknot like some of them designs say evening vision then uncover out it desires a light-weight resource.)
any recommendations?


Finest solution:

Solution by juliepelletier
For a thing easy nevertheless really reasonably priced you should glimpse at http://x10.com

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