Old web cam
And in many cases, you can use the same service with a single account on several machines.
Some of the ones on this list can also support multiple cameras at once, which is handy for covering more than one room (or house) at a time.
Honorable mention: If you're willing to shell out , you can go with Mac-only Evo Cam, which I've heard good things about.
It does motion capturing, e-mails, and offers mobile access.
Now, all the components are fitted together which includes positioning of the circuit board and accurately drilling hole for lens.
One can also remove the IR filter from the webcam to completely cover the lens hole with IR film and make lens 100% invisible from the human eye. If USB end of the webcam is connected to a USB extension cable, then the spy camera can be set at greater distance from computer.
The app lets you set whether you want to capture all of the motion within the frame or just a part of it.
I used it to track motion in a specific part of my workplace: CNET colleague Rafe Needleman's office door.
The only tools and supplies it requires are USB webcam, old power supply from cellphone or similar small gadget and other basic tools like Screwdriver, drill etc First of all, the appearance of webcam case need to be changed as it is big and recognizable and will have hard time hiding it.
The app does an exceptional job at letting you pick various ways you want to be notified.
You can have it upload screen shots to an FTP site or as an e-mail.
High-end Webcams often come with their own security software, so in the spirit of this guide, we're going with generic software that should work with any model: Yawcam (PC) Yawcam is free and PC-only.
It's a complex program but not too complex to set-up.