The Walden Effect: Farming, simple living, permaculture, and invention.

Motion activated deer deterrent

new sensor plug experiment with oscillating fan deer deterrent

I was tinkering around with a new type of deer deterrent today.

The motion detector Sensor Plug in the bottom right hand corner should turn the oscillating fan on if a deer tries to come in through our main entrance. The movement from the flagging tape and the noise from the banging golf balls should make a deer run back into the woods.

There's an adjustment on how long the fan will go before resetting, and a red light on the front indicates when there's movement. Stay tuned to see how this contraption stands up through my series of tests.

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About us: Anna Hess and Mark Hamilton spent over a decade living self-sufficiently in the mountains of Virginia before moving north to start over from scratch in the foothills of Ohio. They've experimented with permaculture, no-till gardening, trailersteading, home-based microbusinesses and much more, writing about their adventures in both blogs and books.

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Comment by Errol Sun Jul 15 16:15:09 2012

You might want to put that contraption under a roof. These fans and plugs are made for use indoors, where it generally doesn't rain... I suspect that neither will last long outdoors because of corrosion issues, and possibly short-circuits.

It'll be interesting to see if a deer has enough of an infrared signature to set off the sensor at a distance. Or if e.g. a plant moving in the wind is enough to activate it.

Comment by Roland_Smith Sun Jul 15 18:05:49 2012

Errol-One of the nice things about this project was the fan cooling me off during the adjustment portion of this mechanical deer deterrent.

Roland-Yes....some sort of roof would be mandatory. Maybe even an old patio umbrella. I'm starting to think the Sensor Plug device is defective. The fan stays on all the time even though the red indicator light clearly shows movement when there's movement. I tried adjusting the timer interval and there's a switch on top that needs switching from light to non light device. I tried both positions. As I'm typing this it occurs to me that maybe I can test it on a light to see if it works in that mode.

Comment by mark Mon Jul 16 05:02:06 2012

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