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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Tech Talk > Metal Detectors > PI Designs & Deepseekers (Moderators: Eugene52, Cornelius) >

delta pulse 2 and pic pi (elbombaci)

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LINE

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LF 960D FISHER

	Re: delta pulse 2 and pic pi (elbombaci) « Reply #70 on: December 13, 2010, 05:45:26 pm »

my sniffer xr71 found one component in reverse position a capacitor going to the 556 to give 12v supply is in reverse, now its tested temporarily works ok but not convince my meter is not working and it only detects metals and not gold, because i tested it with golds rings and necklace its not working, i disassemble it again becuase im trying to resolve some issue.

may be you can help faster what is the problem with my meter it doesnt even move. it only detect a metal about 4inch with a 2.2 ohms coil at 20 turns. or #20 awg copper wire

and aslo can you uplaod a picture of your test probe and circuit pcb please and thank you

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ram

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	Re: delta pulse 2 and pic pi (elbombaci) « Reply #71 on: December 13, 2010, 06:24:32 pm »

	Quote:	Posted by LINE
my sniffer xr71 found one component in reverse position a capacitor going to the 556 to give 12v supply is in reverse, now its tested temporarily works ok but not convince my meter is not working and it only detects metals and not gold, because i tested it with golds rings and necklace its not working, i disassemble it again becuase im trying to resolve some issue.

if it detects ordinary metal with same size of precious metal it should detect same. gold is metal and no such metal detector that can only detect gold. try to search in this forum all data of xr71 were posted here with search coil for small targets as well the adjustments. also try to review the article on how pi md works the one from university. for oscilloscope pcb i have no file i use vero board (matrix board) for quick building.

regards, ram,

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LINE

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LF 960D FISHER

	Re: delta pulse 2 and pic pi (elbombaci) « Reply #72 on: December 15, 2010, 06:42:19 am »

MY XR71 DETECTED CHAIR AT 8 INCHES AND A LONG NOSE DRIVER AT 4 INCHES 1 CENTS AT 4 INCHES BUT MY METER IS NOT WORKING WHAT IS THE PRBLEM? I ALSO CHAHED THE DAMPED RESISTOR TO 1K AND R5 TO 100 OHMS SAME THING IT WORKS BUT THE METER STILL NOT WORKING

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xavier

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	Re: delta pulse 2 and pic pi (elbombaci) « Reply #73 on: December 15, 2010, 09:17:48 am »

Line

Take off your caps lock or are you shouting at Ram? If your detector dose not function like it should it is not the fault of other members that are trying to help you but your own you are obviously not capable of building such a project.

Xavier

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So many questions so little time

danny475

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	Re: delta pulse 2 and pic pi (elbombaci) « Reply #74 on: December 18, 2010, 10:27:54 am »

hi xavier
how are you
i have a question
when my serch coil is touching the ground the detector is ringing knowing that there is nothing in the ground
and when i'm relising it just 10cm from the ground the device stopes from ringing
what can i do
? thanks to you very much
tc danny

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xavier

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	Re: delta pulse 2 and pic pi (elbombaci) « Reply #75 on: December 18, 2010, 02:16:59 pm »

Hi danny475

Nothing as this is normal just keep the coil of the ground.

Regards Xavier

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So many questions so little time

danny475

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	Re: delta pulse 2 and pic pi (elbombaci) « Reply #76 on: December 20, 2010, 10:00:59 am »

thanks xavier
i will do that
ok can i replace all the vr's with suitable stable resistors after i get the maximum depth ?
i can masure the resistance by a omitter and replace all of the vr's by a stable resistors
knowing that i will never change the coil its always the same 1*1m serch coil
thanks

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Ropcsika

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	Re: delta pulse 2 and pic pi (elbombaci) « Reply #77 on: December 20, 2010, 12:16:19 pm »

what is the ideal Searchcoil to delta pulse 2. The cable is 8-pin adsl cable. Diameter 40-45cm? 3-4 turn?

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japanese

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GARY PI

	Re: delta pulse 2 and pic pi (elbombaci) « Reply #78 on: December 20, 2010, 12:37:09 pm »

Hi Ropcsika
45 cm 0.5 mm 24 turn 3.6 ohm =adsl cat5 3turn x 8
best time
j.

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Ropcsika

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	Re: delta pulse 2 and pic pi (elbombaci) « Reply #79 on: December 20, 2010, 01:36:45 pm »

Thank's. I will send some pictures

Posted on: December 20, 2010, 01:12:27 PM

My Delta Pulse 2

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