How to use Android Phone as a Web Cam in PC?

There are certain Requirements to make mobile phone camera as USB Webcam:

• A Cell Phone with camera. 
• A Data Cable Or Bluetooth Dongle To Create Connectivity Between Computer And Your Cell Phone
• And PC. 
  

Go To Android Market Or Google Play By Your Android Phone And Search For A Application Named "Usb Webcam".Download And Install That Application On Your Android Phone and Turn on USB debugging By Going (Settings->Application->Development->USB Debugging)..If You Are Using Windows On Your Computer Then Download Server For USB webcam From Here http://www.placaware.com/?page_id=6. If You Are Using Linux On Your Computer Then Download Server From Here http://www.placaware.com/?page_id=116.Install Server On Your Computer. Connect Your Cell Phone Via USB cable To Your Computer. After That Double Click To Open Server From Your PC, And Open Client app From Your Cell Phone And Create A Connection.