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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) >

surf pi v1.2

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japanese Topic starter

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GARY PI

	surf pi v1.2 « on: October 24, 2010, 06:37:07 pm »

Hi all
the surf pi v1.2 is the best small pi.their another clon of surf pi single side pcb. it easy to assembly pcb 10.5 cm x 7 cm .
the link:http://www.geotech1.com/forums/showthread.php?t=13810&page=12 .
the pcb worked and no errors,and tested with coil 21cm , 19tu , 0.5mm.
the sound not bad,not good.the improved pcb,top Component, Schematic .
best time
j.

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japanese Topic starter

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GARY PI

	Re: surf pi v1.2 « Reply #1 on: October 27, 2010, 08:07:33 am »

Hi all
Schematic,original.
best time
j.

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japanese Topic starter

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	Re: surf pi v1.2 « Reply #2 on: November 04, 2010, 12:38:00 pm »

Hi all with 23cm coil
1 euro coin = 26 cm
small gold ring = 25cm
coke can (allum.) = 70 cm
best time
j.

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ameen

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	Re: surf pi v1.2 « Reply #3 on: November 06, 2010, 04:05:24 pm »

[clapp]Congratulations

good work
did you test coil 1*1 metr
thanks

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ram

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	Re: surf pi v1.2 « Reply #4 on: November 06, 2010, 04:20:41 pm »

1x1mtr coil is for deep big targets, it ignore's small target and operating in low frequency.

regards, ram,

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japanese Topic starter

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	Re: surf pi v1.2 « Reply #5 on: November 10, 2010, 10:18:22 am »

Hi ameen
no , to test 1 x 1m coil i changed the damped resestor from 390 ohm to 1k.
surf pi for small target.there are Improvements to detect big target i put
Recently when complet and test.
best time
j.

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	Re: surf pi v1.2 « Reply #6 on: November 25, 2010, 07:22:09 pm »

Hi all
my completed project.
best time
j.

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TRX

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	Re: surf pi v1.2 « Reply #7 on: December 02, 2010, 10:53:00 am »

Can it detect small ferrous objects ?

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	Re: surf pi v1.2 « Reply #8 on: December 02, 2010, 11:12:13 am »

Hi TRX
it is made to detect small metal {ferrous ,non ferrous},With good coil.
best time
j.

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	Re: surf pi v1.2 « Reply #9 on: December 02, 2010, 11:13:54 am »

Thanks for the replay.

What does this mean " the sound not bad,not good. "

What's the problem with the sound ?

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