Reading [computerguru365]’s infrared security camera build you may wonder “Why did he build it like that?” Well, he was working with what he had. He disassembled a webcam and removed the IR filter (sound familiar?). He mounted it in a stripped power supply case with the zoom assembly pulled from an old camcorder. The zoom control was wired to the back of the box. The final addition was an IR array to the front. You could probably buy a better product off the shelf, but if you’ve already got the parts, why not