Home Security Systems: Using home security sensors to burglar-proof your home

Home security sensors (of the contact and infrared, motion-detecting varieties) and wireless security cameras are easy enough to install that you could really learn everything you could need to known in a couple of hours of web-surfing. Installing a home security system has ceased to be the monstrous hassle it was just a few years ago, when the technology had recently emerged and was hard for anyone without a good understanding of electronics to work with. With everything simplified down to the point that you can install systems without ever needing to know anything beyond the contents of the product instruction manuals, getting a good home security system is not something to be put off indefinitely, as just another bullet on that lists of things you never get to. For anyone that's seriously interested in the safety of their family, their possessions and, indeed, themselves, getting a good home security system should qualify as a top-level priority.

It's possible to set up a wireless webcam to serve as your personal, wireless security camera, even if you possess the tech-savvy of an 8-year-old. These devices, which are getting smaller by the day even as the resolution available increases to levels of sharpness far beyond the human eye, can be concealed in any desktop ornament - you can install them, Hollywood style, in teddy bears, toys, paperweights, even behind two-way mirrors. It's as simple as drilling a hole in your table or mantelpiece for a feeder cable, cutting a sufficiently wide lens-hole in the side of the ornament to be used as their disguise, and arranging the camera within it. By running the feed cable to a USB port on your computer, you can simultaneously charge the device and record footage. Simple motion detection software, such as that available for download at http://bit.ly/T8KF6, can ensure that your computer records only when there's a disturbance in the camera's visual field, making your new home security system both functional and efficient.

Another way to emulate this effect is by incorporating home security sensors into your system as the means to activate the recording function. For instance, contact sensors function by creating a circuit between two contact pads. When these pads are separated (which, with the usual arrangement of the device, would be as a result of a window or door being opened) that circuit is disrupted, a disruption which in turn signals the central home security system hub to which those sensors are connected and setting the alarm sounding. Alternatively, you could make use of motion sensors. There are two primary varieties of motion-activated home security sensors, UWB (ultra-wideband) radar sensors and PIR (Passive InfraRed) sensors. The first are activated when the radar signals they emit, which are sent over a fixed distance, are returned more quickly than normal (meaning that an object has gotten in the way and blocked the signal). The latter 'sense' motion when any sufficiently hot object moves across their cone-shaped detection field.

These technologies have been in use for quite some time. Indeed, one of them is indubitably responsible for flicking the light in your driveway on when someone walks across it. As a side note, the sensors have also been very well-refined in order to prevent false alarms, such as those resulting from a cat or small dog walking past a sensor. 'Pet-immune' home security systems utilize PIR detectors fitted with a mirror or lens modified so as to stretch the heat blip created by moving objects. Through some clever manipulation, these mirrors magnify the blip produced by a human, and reduce those of a do or a cat. If you have the money lying around, it's also possible to find wireless security cameras equipped with the software to discriminate between animals and humans in a similar fashion.

Remember, throughout all of this, that the location of your wireless security cameras and home security sensors is probably the most important consideration when it comes to setting up a modern home security system, especially if you're trying to keep prices down. Windows, doors and skylights should be first on your list of things to cover, as these are the only points by means of which a criminal can reasonably access your home. If you can only cover a limited number of your access points, rather choose to focus on the more obscure, the doors and windows away from the street, where exposure to public view would, normally, prove too much of a risk for would-be intruders.

Now, perhaps the most important factor in rendering a home security system effective is good monitoring. Most home security companies, along the lines of Chubb and ADT, will be willing to install your wireless security cameras and home security sensors for you, and provide you with a fully integrated, professionally tweaked home security system from the word go - provided, of course, that you plan to sign a home security contract with them. Despite the fee every month, such backup will really provide the ultimate in peace of mind short of having your own bodyguard. If you'd prefer to be independent in terms of the monitoring of your system, then be sure to install a loud siren to activate if your perimeter is breached, and, to further discourage intruders, a sign proclaiming your membership with ADT or some other security company. You might even want to rig your system so that your computer calls the police with a looped, pre-recorded message requesting their assistance (though there is, of course, no way of knowing how the police will respond to such a call).

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