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Offline kabier2
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« Reply #210 on: June 12, 2011, 04:51:40 pm »
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hi   that is really interesting i think i will start building one hopefully if i find the parts
may if kindly you can send to me a kit of the parts i can manage to drill a pcb. i will use just copper wire for
the printed side

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« Reply #211 on: June 13, 2011, 05:31:57 pm »
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what different for coil pi

Posted on: June 13, 2011, 05:31:00 PM
kaman use another coil pi

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Offline imhotp2000
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« Reply #212 on: July 22, 2011, 09:03:58 am »
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i made metal detector but some time give false result in water i ask why?plz answer me

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Offline kabier2
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« Reply #213 on: July 23, 2011, 02:55:17 pm »
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hi to all and can i order my kit from here Silverdog ? and how the money transfer ?

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Offline seldom
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« Reply #214 on: July 23, 2011, 03:01:25 pm »
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You can order from this link.

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www.silverdog.co.uk




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Offline kabier2
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« Reply #215 on: July 24, 2011, 04:43:49 pm »
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hi seldom i have done my order thanks allot for the link and believe when i entered the link from the net
it not displayed
thanks again and have a good time

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« Reply #216 on: July 24, 2011, 08:46:03 pm »
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I have built the Chance on Silverdog's beautiful PCB version 0.8.4 and it detected placer gold flakes totaling about the volume of a matchhead contained in a glass vial at a distance of about three inches in air. 

Then version 1.0.1 firmware was released with required hardware mods to the PCB.  I performed the mods and ordered a new ATMEL processor from Silverdog with the 1.0.1 firmware installed.  The unit has never worked, it just constantly buzzed no matter what settings, distance, or metal was presented to it. 

I have since removed the 820 ohm mod restoring the original 1500 ohm in it's place and reinstalled the version 0.8.4 controller, leaving the other mods in place.  It acts much better than the 1.0.1 version but has far less sensitivity than the original 0.8.4 hardware configuration without the later mods.  I am at a loss to say if the 2nd controller is bad or if the 1.0.1 firmware is bad. 

I do know that I am in limbo awaiting a verdict on the latest 1.1.1 firmware from Andy F. the author.  It appears that there are significant problems yet to be resolved and the only one who can do it is Andy F.  I'd like to try out the version 1.1.0 firmware as some indicate it is usable.

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Offline WM6
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« Reply #217 on: August 11, 2011, 02:54:03 pm »
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Quote:Posted by baum7154
I have built the Chance on Silverdog's beautiful PCB version 0.8.4 and it detected placer gold flakes totaling about the volume of a matchhead contained in a glass vial at a distance of about three inches in air. 

Then version 1.0.1 firmware was released with required hardware mods to the PCB.  I performed the mods and ordered a new ATMEL processor from Silverdog with the 1.0.1 firmware installed.  The unit has never worked, it just constantly buzzed no matter what settings, distance, or metal was presented to it. 

I have since removed the 820 ohm mod restoring the original 1500 ohm in it's place and reinstalled the version 0.8.4 controller, leaving the other mods in place.  It acts much better than the 1.0.1 version but has far less sensitivity than the original 0.8.4 hardware configuration without the later mods.  I am at a loss to say if the 2nd controller is bad or if the 1.0.1 firmware is bad. 

I do know that I am in limbo awaiting a verdict on the latest 1.1.1 firmware from Andy F. the author.  It appears that there are significant problems yet to be resolved and the only one who can do it is Andy F.  I'd like to try out the version 1.1.0 firmware as some indicate it is usable.


Hi baum7154,

congratulation on your success and thanks for info about firmware release.

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Offline baum7154
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« Reply #218 on: August 11, 2011, 04:48:01 pm »
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Yes the 0.8.4 version of Chance was interesting and sensitive but ground balance and stability are a problem.  I am still waiting for Andy to make changes to the 1.1.1 firmware B4 I fully integrate the unit into a field operable device.  I know that the fundamentals are there to have a good discriminating unit but I think that Andy's time is quite limited to pursue this matter.  So we wait.  All I can do is get the components assembled as far as possible so there is little delay once working firmware is available.

Regards,

Dan

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Offline kabier2
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« Reply #219 on: August 11, 2011, 05:55:00 pm »
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hi seldom and am still waiting for Selverdog i placed my order waiting on how to trans the amount.

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