pcb-lorens-5

[perzo]

lorens maeks

I maek this MD but dont good works. on depth 1.5 m with noise.

[aft_72005]

plaese see picture loren pcb

http://up.vatandownload.com/images/f733kihjbx08kq585ja8.jpg

http://up.vatandownload.com/images/e...rd4jgc8yz4.jpg

Hi perzo
Very good . are you test your home build Lorenz 5? what was result?

[perzo]

loren pcb

plaese see picture loren pcb

http://up.vatandownload.com/images/f733kihjbx08kq585ja8.jpg

http://up.vatandownload.com/images/ekm1vfy06rd4jgc8yz4.jpg

[Great_Alex]

very thanks mahmud for your advice

but we're here not for find some pcbs to build a detector and going to dig up a big coin jar !
i'm looking for science of Treasure hunting technology
for me the kind of lorenz discrimination is a question ?
why the discrimination id for ferrous targets limits to 60 ?and never exceed of 60

[mahmud]

difficult work

Hi,
I want to tell the friends that the making a good metal detector is a very difficult work and afew specialist person in electronic course can make a metal detector.some body try to get information from others to make a good and powerful metal detector and i knew that it is impossible too.The poweful germany and usa companies of metal detector can make metal detector but it is seem their system similar to toys and afew system can detect the metals in the deep soil realy.

[Alexismex]

Also i see to put your circuit in petroleum gas two month and all the epoxy go out ... i do not try but i will try one day!!!! i still use cold and hot method to break the epoxy!!!

[Micheal]

layout is there but no parts list or schematic diagram ,can you put these on abbas.

[Geo]

Hello forum,
Thanks Ivconic to remember at the forum the technic to put away all this **** black resin.....just patience and a little time and you can clean very well this pcboard ,,,i have used with great success this method in many time!!! because i hate to not see the board for trace it...
Have a good time,
alexis.

Hi Alexismex.
I remember ...... i asked you when you traced the Mineoro.

Regards

[mesy64]

hi, please send lorens 5 original pbc and shematics .... for my emil [email protected]
thanks my brother

ok

[turaj afshar]

hi, please send lorens 5 original pbc and shematics .... for my emil [email protected]
thanks my brother

[kt315]

Xray should be fine and not expensive...What about a CT scan probably expensive but you should get good images.

abbas has shared the layout, look above. there is not need to xray PCB.

[Micheal]

Xray should be fine and not expensive...What about a CT scan probably expensive but you should get good images.

[Qiaozhi]

Here's an interesting story about one potted game board;
http://www.multigame.com/pacplus.html

Wow!
There's no stopping some people.

[technos]

I used to think this is impossible, but then I saw it done. It's more of a question of patience than anything. I have not tried it, but this stuff is reported to work with some resins softening them considerably;

http://en.wikipedia.org/wiki/Methylpyrrolidone

(it has to be this stuff, paint stripper won't compare)

Outside of that, Ivconic is right. A heat gun is your friend. And maybe a diamond tipped tip dremmel tool. Maybe some dry ice. I'd stay away from liquid nitrogen as it could crumble the whole thing (as well as fingers and toes!).

If there are no chip numbers, a rough schematic can still decode function. After that there have been others who take a look at the die under a microscope.

Safemakers never guarantee an unbreakable safe, only a "tool rating" of how long it is "tool resistance" (usually in minutes). Such is the same as potted electronics. It's just a question of time and resources.

Here's an interesting story about one potted game board;

http://www.multigame.com/pacplus.html

It really would help to have an xray to have an idea what was under the stuff you were digging out and know what to expect.

[mindfree]

This looks interesting ...why dont you get it x-rayed and put the images here ,we should be able to work it out from there.

X-Ray images can't resolve the markings on die surfaces.
I don't think there is a non-destructive way to identify the components except for maybe some advanced high-resolution penetrating 3D imaging technique that is out of reach.