How would I make a bug detector?

Is it possible for a diy-er to build an ir detector to find bugs, cctvs, etc?

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Hey, This page does not seem to work... Can you please put up the instructions again?
Lithium Rain (author)  savagelycivilized6 years ago
Lithium Rain (author)  savagelycivilized6 years ago
Hi, this was a question...unfortunately it didn't contain instructions (I was looking for instructions, not posting them). Sorry. :( You might try a google search, and read the link posted in tech-king's comment.
That's what the commenter was complaining about. The Guelph link now returns "404 not found."
Lithium Rain (author)  kelseymh6 years ago
Oh! I see.
You need to click the "reply" link associated with the comment to which you are replying. "Add comment" puts your text at the top level, and since nobody else can read your mind, we don't know to whom you're replying.

Try using Google to find the information you seek.
Lithium Rain (author) 8 years ago
Thank you very much tech-king! :)
tech-king8 years ago
here is a simple circuit that should work fineyes. it is possible to build a bug detector.