Welcome Gew,
If you have any questions there are many members here with tons of knowledge.
If you are keen on building your own game camera then you will need parts. Here are the links to a couple of good guys that can help you out with that.
Ralph Davis is a great guy that knows his stuff. Very reasonable and accommodating and he does custom builds, hacks you name it. He can be reached at
http://rcdavisgamecamerasolutions.weebly.com/Gary Kohout is another fine fellow that has years of experience in the business. Very reasonable and accommodating as well. He can be reached at
http://www.snapshotsniper.com/