Arduino Nano PI Main Discussion

[David_1]

Personally tested, no more than 5 meters.
I immersed the detector in the pool for 3 days. Basically, the detector is used underwater when searching up to the throat.
And the block is under the elbow. It's about 70 cm underwater. Sometimes, of course, it can fall to the bottom, but my height is 1.76 m.
There are no problems.

68/67 6 = dust 7= 30mins @ 1 meter 8 = temporary submersion
My tec Dives can last Hours at far greater depths Real underwater protection is quite difficult the guys building DIY submarines seem to have it the hardest

[Myntmaster]

68/67 6 = dust 7= 30mins @ 1 meter 8 = temporary submersion
My tec Dives can last Hours at far greater depths Real underwater protection is quite difficult the guys building DIY submarines seem to have it the hardest

I don?t need such great depths. Therefore, everything is easier.

[Myntmaster]

By the way, an interesting point with this IP-68 standard. Nokta-Macro puts IP-68 on its metal detectors at an immersion depth of 3-5 meters. And does not indicate the time of use at a depth underwater. Equinox 800 has up to 3 meters, what is the protection class? Last year, a colleague drowned three Equinox 800s, walked up to his neck in water.

[MartinB]

By the way, an interesting point with this IP-68 standard. Nokta-Macro puts IP-68 on its metal detectors at an immersion depth of 3-5 meters. And does not indicate the time of use at a depth underwater. Equinox 800 has up to 3 meters, what is the protection class? Last year, a colleague drowned three Equinox 800s, walked up to his neck in water.

The best thing to do is test it yourself. The IP rating gives the minimum requirement for compliance with the standard. Apple says its IP68 rated iPhone12 can survive up to 6 metres deep for 30 minutes.

[ionut_mtb]

Hello everyone. I bought a book, bought a couple of printed circuit boards from a silverdog, an arduino nano. They promise to send it within two weeks. The rest of the details are all there. I hope to have time to do it before the opening of the season. I will use it under water.

i made this for the same purpose, underwater. Bought also the pots (vishay p16np) i liked that you can adjust the code (not tried yet) to suit your purpose, and the analog threshold. But this design is limited. Anyways if you don't hunt you don't find. Sometimes depth is not so important.

AND THE MAIN PURPOSE IS: GOLD. we need to setup our detectors to have good depth on gold, because this is the main use of pulse induction (apart from those who are hunting for silver coins..). For example, fast pps, small pulse width/sample width, less noise. targeting gold micro jewelry - gold rings.

I like felezjoo because you can adjust everything and it is deep. But i don't like the fact that is not so stable, i need that steady threshold. And waterproofing it is easier, waterproof box with transparent lid, reed switches instead of buttons, stylus pen with magnet to adjust settings.

[David_1]

I have spent along time reading about this Pi detector, it seems to have been of great interest to many others But here is a question for all the people that have built it, What have you found, is this your goto Detector... have you found a better one ?
Thanks

[Olly]

I've built two of these and use them regularly on the beach with great results.
They just work...

[David_1]

I've built two of these and use them regularly on the beach with great results.
They just work...

cool which beach ! or what country

[Olly]

cool which beach ! or what country

Here in the UK, mainly around Wales and Cornwall...

[MartinB]

I have spent along time reading about this Pi detector, it seems to have been of great interest to many others But here is a question for all the people that have built it, What have you found, is this your goto Detector... have you found a better one ?
Thanks

As with all detectors, you will only find something if you pass over a target.

[David_1]

"As with all detectors, you will only find something if you pass over a target."
This is my worry if you pass over a target not find it and the guy behind you picks it up... has anyone tested this against other detectors ?

Thankyou.. !

[MartinB]

"As with all detectors, you will only find something if you pass over a target."
This is my worry if you pass over a target not find it and the guy behind you picks it up... has anyone tested this against other detectors ?

Thankyou.. !

Not used mine in field yet, but air tests look very promising. Must get it boxed up and put to use.

[Myntmaster]

Hello. Finally, the book and boards arrived. About the book, everything is very intelligible, and my opinion is that even an elementary school student will assemble this detector without any problems. One question, target detection is for a 9" coil...? It remains to wait for the arduino.

[Qiaozhi]

Hello. Finally, the book and boards arrived. About the book, everything is very intelligible, and my opinion is that even an elementary school student will assemble this detector without any problems. One question, target detection is for a 9" coil...? It remains to wait for the arduino.
[ATTACH]56869[/ATTACH]

The coil diameter is given on page 28 ( Step 8 ) as being wound on a 9" former, so that's the inner diameter. The outer diameter measurement is actually 25cm (10")..

[Myntmaster]

I understand everything about the coil. The detection range in this photo ... is this for a 10" coil.?