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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Tech Talk > Modifications, Do It Yourself & Repairs (Moderators: Eugene52, xavier, GoldDigger1950) >

Cheap easy "probe"?

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Paul A Topic starter

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	Cheap easy "probe"? « on: March 16, 2009, 11:50:00 am »

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http://www.zen22142.zen.co.uk/Circuits/Misc/metaldetector.htm

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GoGoGopher

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White's QXT Pro- Sun Ray XL-1 Probe - BH Pinpointer (modified)

	Re: Cheap easy "probe"? « Reply #1 on: March 16, 2009, 02:29:18 pm »

Thanks for this post...I have been wanting to make my own probe for a while, and I enjoy tinkering with electronics...

HH,

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GoGoGopher
R. W. Lemp
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White's QXT Pro w/ SunRay XL-1 Probe
Detecting for 5 years

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	Re: Cheap easy "probe"? « Reply #2 on: March 16, 2009, 03:05:20 pm »

Cool!

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Paul A Topic starter

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	Re: Cheap easy "probe"? « Reply #3 on: March 16, 2009, 03:51:40 pm »

Unfortunately I have just found out the I.C. is no longer made.
You can still get them though you might need to hunt around a bit.
But here is another link using the TDA 0161 which is still made.

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http://www3.telus.net/chemelec/Projects/TDA0161/TDA0161.htm

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« Last Edit: March 16, 2009, 03:57:02 pm by Paul A »	Logged

Cornelius

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	Re: Cheap easy "probe"? « Reply #4 on: March 16, 2009, 03:57:52 pm »

Any good hardware store would sell this unit . Just ask for an electric cable detector . Cornelius

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d.p.swing

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garrett2500

	Re: Cheap easy "probe"? « Reply #5 on: April 01, 2009, 05:29:50 pm »

hey Cornelius , d.p. swing here i have a automax precision V4 pin pointer the audio stays on allthe time can not adjust it called kelley co thy do not repair them thy said that there was a small hole under the belt loop holder and if i put a screw driver in the hole to turn the screw and adjust the sensativaty until it works properly i put a screw driver in the hole and it fell right through there was no screw to adjust of course its out of warranty and now i need to get help to fix it i guess i need to replace the microw adjuster / any ideaers ? .thank for any help u can give me

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davidbat40

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laser hawkeye

	Re: Cheap easy "probe"? « Reply #6 on: May 22, 2009, 10:36:15 am »

anybody got a picture of automax pinpointer on stripboard layout thanks for any help

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Cornelius

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	Re: Cheap easy "probe"? « Reply #7 on: May 22, 2009, 11:02:52 am »

d.p.swing . What is a pinpointer anyhow ? A large coil will detect metal far deeper than a small coil . However it is not sensitive to pick-up small items . So .... you are using a smaller coil to hit the smaller stuff . The pinpointer I ( and Paul A ) am using is in combination with a PI detector . It consists out of a ferrite core with a coil wound around it . You may have to play a little with the amount of windings but that is all there is to it . This very very small coil will be the best pinpointer you have ever used . The pinpointers for sale now adays are only small detectors . Not very good and not easy to adjust . Better get yourself a PI Metaldetector and wind your own pinpointer . Even anybody without any knowledge of electronics can do this . Regards Cornelius

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Delamuerte

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	Re: Cheap easy "probe"? « Reply #8 on: May 30, 2009, 04:47:21 pm »

Anybody, anybody...Cornelius, electronic is a knowledge you're lucky to have...
I'm actually trying to build something, just following step by step, not easy at all Cool

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