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-   -   Real clone Alonso-PD (https://www.longrangelocators.com/forums/showthread.php?t=18956)

ouiarabe 11-01-2014 12:54 PM
Quote:
Originally Posted by ANDREAS (Post 150478)
Via a video i cannot find solution, but maybe...
Unconnect C15 and connect power supply. If you have the same tic-tic on buzzer, replace buzzer with other attchment pic.
best regards
hi all
thank you very much professor ANDREAS
I executed your recommendation and it seems that the problem is solved
I'll get a real field because I do not have a test field
another question please is it normal for the PD detects all ferrous materials at 20-40 cm and 1m the LCD television
thank you

ANDREAS 11-01-2014 06:41 PM
Quote:
Originally Posted by ouiarabe (Post 150479)
hi all
thank you very much professor ANDREAS
I executed your recommendation and it seems that the problem is solved
I'll get a real field because I do not have a test field
another question please is it normal for the PD detects all ferrous materials at 20-40 cm and 1m the LCD television
thank you
It's my pleasure can help you. About PD. Real Alonso clone can detect materials and detect a small magnet from >50 cm distance.PD for gold cannot detect materials or magnet
best regards

ouiarabe 11-01-2014 10:32 PM
Quote:
Originally Posted by ANDREAS (Post 150480)
It's my pleasure can help you. About PD. Real Alonso clone can detect materials and detect a small magnet from >50 cm distance.PD for gold cannot detect materials or magnet
best regards
once again thank you very much for your help
this is the result but do not make fun of my modest presentation

https://www.youtube.com/watch?v=H-Ze...ature=youtu.be

RS_Phil 11-02-2014 10:27 AM
Is it ok to use plastic casing for this PD? or it is necessary to use a plywood or ply-board...

ANDREAS 11-13-2014 07:09 PM
Quote:
Originally Posted by Saromines_R (Post 150482)
Is it ok to use plastic casing for this PD? or it is necessary to use a plywood or ply-board...
I have 3d Printer. It's better and easy via this machine build everything via plactic ABS, but here i see the best choice is wood. Calibration is extreme.
I think plastic produce electrostatic phenomena. We don't need parasitic signals
best regards

RS_Phil 11-13-2014 11:16 PM
Quote:
Originally Posted by ANDREAS (Post 150542)
I have 3d Printer. It's better and easy via this machine build everything via plactic ABS, but here i see the best choice is wood. Calibration is extreme.
I think plastic produce electrostatic phenomena. We don't need parasitic signals
best regards

Thanks a lot master Andreas,..

ouiarabe 11-14-2014 10:00 AM
hi teachers andreas
I finished my PD after your help, it's true calibration is very difficult but ultimately this circuit detects all materials and unfortunately he can not discriminate
* anyway thank you for your cooperation and support.
and if you could, there he has a solution for discrimination ??
Thank you in advance
and please accept the most respectful greetings to your student

ANDREAS 11-14-2014 12:49 PM
Hi
First for all
I am not master-teacher-proffessor etc. Simple Andreas is enough
About discrimination is simple. Remove receiver coil and invert back-front. Now if start again fine null you can see you have discrimination. That's all
best regards

RS_Phil 11-14-2014 03:32 PM
Quote:
Originally Posted by ANDREAS (Post 150551)
Hi
First for all
I am not master-teacher-proffessor etc. Simple Andreas is enough
About discrimination is simple. Remove receiver coil and invert back-front. Now if start again fine null you can see you have discrimination. That's all
best regards
It's a big honor for us.,,to get a fast response from you sir (Mr. Andreas) and I'm bit follower of your project like PD,and I would like to build some of those. But I don't know which one of your best PD..,.can you give me and some other here a circuit with PCB layout?

ANDREAS 11-14-2014 08:47 PM
PD pistol is not my design. First present here from morgan few years ago.
Qiaozhi finish full schematic after opinions and studies from many-many members.
I must send a thank for members j-player, esteban, Qiaozhi, Aft etc present info without secrets. This PD has a magic for me, because, few members try build it complete without results.
Morgan is the first member, build working only ferrite stage.
Men in my country Greece build the MD section without fine results.
Of course many members build complete this in their fantasy.
It was a personal challenge to finish it complete. Only one member with substantially help me and I will again send a big "thank you".
This is generally the story.
After first really experiments and full modifications a suprise for me is.. PD detect only Gold. This is a big chapter, but i cannot publish more.
The lesson is one. If you try, you can build your dreams. It's easy if you can study with open mind. Please don't forget with OPEN MIND
best regards

RS_Phil 11-14-2014 09:13 PM
Quote:
Originally Posted by ANDREAS (Post 150555)
PD pistol is not my design. First present here from Morgan few years ago.
Qiaozhi finish full schematic after opinions and studies from many-many members.
I must send a thank for members j-player, esteban, Qiaozhi, Aft etc present info without secrets. This PD has a magic for me, because, few members try build it complete without results.
Morgan is the first member, build working only ferrite stage.
Men in my country Greece build the MD section without fine results.
Of course many members build complete this in their fantasy.
It was a personal challenge to finish it complete. Only one member with substantially help me and I will again send a big "thank you".
This is generally the story.
After first really experiments and full modifications a surprise for me is.. PD detect only Gold. This is a big chapter, but i cannot publish more.
The lesson is one. If you try, you can build your dreams. It's easy if you can study with open mind. Please don't forget with OPEN MIND
best regards
Ok sir thank you,..for a lot of information..,

brs 11-15-2014 08:13 PM
Hi ANDREAS
Is it possible to explain more
Remove the receiver coil and reverse-back front.

ANDREAS 11-15-2014 09:00 PM
1 Attachment(s)
Quote:
Originally Posted by brs (Post 150562)
Hi ANDREAS
Is it possible to explain more
Remove the receiver coil and reverse-back front.
attachment pdf file

brs 11-16-2014 02:07 PM
Thank you Andreas

ouiarabe 11-16-2014 06:46 PM
thank you Alonso on thé issue of discrimination, it is an impressive solution
big hat

ouiarabe 11-29-2014 10:23 AM
hi all
after several attempts setting my clone pd detects only the ferrite and graphite
continuous tests still

ANDREAS 11-30-2014 05:52 AM
Quote:
Originally Posted by walkman (Post 150589)
Andreas,
I make to DD or concentric coil. How to make?.
Is your choice if use DD or concentric coils. I use omegac coil ONLY, because, i build a clone
best regards

stergeol 12-12-2014 06:43 PM
hello Antrea pls help how is the correct ??

http://imageshack.com/a/img673/7211/yUX1yW.jpg

stergeol 12-18-2014 12:05 PM
[QUOTE=stergeol;150635]here is my PD version
https://imageshack.com/i/f01wfKa0j

all pieces

https://imageshack.com/i/ipXkUpCXj

WM6 12-18-2014 03:39 PM
Really nice design, stergeol. Congratulations.

Qiaozhi 12-18-2014 08:47 PM
Looks like it was cut out with a milling / engraving machine.
Nice work. :thumb:

ouiarabe 12-20-2014 10:48 AM
1 Attachment(s)
[QUOTE=stergeol;150636]
Quote:
Originally Posted by stergeol (Post 150635)
hi
congratulations it's a beautiful work I hope it gives good results
please what is the correct position of the ferrite and coil Omega 1 or 2

mohandes 12-20-2014 11:55 AM
hi any body can put here all correct file in zip file .

ANDREAS 12-20-2014 01:42 PM
Quote:
Originally Posted by stergeol (Post 150629)
hello Antrea pls help how is the correct ??

http://imageshack.com/a/img673/7211/yUX1yW.jpg
Hi Stergie, use No2. 150 turns is front place on feritte.
regards

stergeol 12-22-2014 12:32 PM
many thanks andrea....


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