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Ruzzell

DIY
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Does anyone know what these things are? We keep digging these old things up in our yard. They appear to be a hard plastic with some kind of electronics inside them. Thanks.
 

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What’s on the other end of the flex?
Is there any writing on it, or a sticker?

I’m thinking float switch??

How many have you uncovered?

I would be surprised if it was a detonator of any sort.
 
Does anyone know what these things are? We keep digging these old things up in our yard. They appear to be a hard plastic with some kind of electronics inside them. Thanks.
@Ruzzell I don’t have a clue as to what that is but call City hall and have someone to come out and check it. The electronics inside is what I would worry about
 
Just order loads of carp of amazon....they guaranteed to walk over ya lawn!
 
I wonder if they are the transducers for a mole repeller buried underground in a garden. Each one generates a high pitched (modulated?) sound which moles hear as indicative of a potential predator - so they scarper from the area insonified by the transducer stopping a garden from being wrecked by mole hills and tunnelling. The wire goes to a power supply or amplifier.

View: https://www.amazon.co.uk/Battery-Operated-Ultrasonic-Repeller-Deterrent/dp/B00GLT4REO
 
I wonder if they are the transducers for a mole repeller buried underground in a garden. Each one generates a high pitched (modulated?) sound which moles hear as indicative of a potential predator - so they scarper from the area insonified by the transducer stopping a garden from being wrecked by mole hills and tunnelling. The wire goes to a power supply or amplifier.

View: https://www.amazon.co.uk/Battery-Operated-Ultrasonic-Repeller-Deterrent/dp/B00GLT4REO

They look a bit too well sealed to be emitting anything.
 
I’m still chuckling at the poor fella waking up to the word “detonator” from @DPG ??
 
They certainly look a bit rough and ready in their manufacture. Just clear tube chopped squashed and sealed. Certainly not made for appearances so perhaps made to be buried. Chopped off and left in the ground after their use was over instead of digging them up.

Some good theories so far, I'm pretty intrigued to be honest. We may never find out though if they are some homemade project.

A good way to figure out their use would be to hand them to someone good with electronics and get them to analyse the contents. BigClivedotcom on youtube springs to mind.
 

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