Backyard surveillance system


You know, my neighbor used to leave about $2000 in CASH on his dining table AND he NEVER locked his front door of his house.

One day, I asked him, “What if someone robs you?”

He said, “I trust God and he will protect me…”

Well, the funny thing is, this guy has NEVER been robbed all his life!

BUT if you don’t believe me, you can always stick with some type of backyward surveillance system where you can play god yourself…

This certainly deserves to be a “one-of-a-kind” surveillance system. Talking about “one-of-a-kind”, we made a new website last week called,

It’s basically a blog I built for one of my “real estate” friends who sells some high-rise penthouses in downtown San Francisco. Anyways, check both out!

The tilt mechanism is a little more complex, the mirror is pivoted in the center on a copper tube, at one end of the mirror are springs which keep tension on the cord, on the other is the cord itself. Pull the cord and the mirror tilts. Complicating this is the fact that mirror can spin fully round. I wanted the tilt to remain independent and unchanging from the spin so I had to run the cord through a guide that sits in the centre of rotation. This guide is relatively invisible in practice because it is located so far back from the focal plane. The tilt is controlled at the bottom with a simple wooden lever.


5 Responses to Backyard surveillance system

  1. Maybe the creator spent to much time on 🙂

  2. James N says:

    What’s your neighbour’s address?
    He’s about to realise there is no god and that so far he’s just been lucky.

  3. max says:

    Oh yeah, definitely. But good system.

  4. I must be dumb. If the front door is unlocked and there is money on the dining table, I shall walk in, this gizmo in the back yard or not! Why bring poor God into this? The mechanism is working but, how practical is it?

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