Free live homemade web cam

If your computer already has a video input—many do, particularly ones marketed as media PCs—then you're all set: You can just plug the camera into your computer and turn on the camera.

If your computer doesn't have a video input, you can buy an inexpensive USB capture device for to on e Bay, or a brand new Easy Cap Video Capture Adapter for .

Since potential burglars often ring the doorbell to see if anyone is home before deciding whether it’s safe to break in, you can potentially thwart a break-in by responding as if you are home.

Even if you don’t, many of them can be set up to record the interaction, possibly giving you a visual record of one of the thieves.

Perhaps you want to complement a home security system, in light of the over two million home break-ins that occur annually in the USA.

Or perhaps just to keep an eye on things when you’re not there.

Before choosing one, you might want to map out the area you want to cover, and how many your budget will accommodate.

The wider the field of view, the lower the amount of detail you can capture for a given camera resolution.

I used Yawcam and found it fully featured and simple to install.But quite a few new competitors are springing up, including Sky Bell HD, which has a feature-rich product that includes integration with Amazon’s Echo and IFTTT.Doorbell cameras are great as far as they go, but of course they’re only useful if prospective thieves step up within sight of your front door.If that's not the case with yours, set your computer's audio input to its microphone.For convenience I also used a Gorilla Pod screwed into the base of my old Power Shot to let the camera perch nicely on my LCD for conferencing use.

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