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

Complete Pinpointer project for Beginner & all

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japanese Topic starter

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GARY PI

	Complete Pinpointer project for Beginner & all « on: October 01, 2010, 05:54:21 am »

Hi to all
there are many Pinpointer project in the net like gary Pinpointer and many
other .
lets start to make Pinpointer project for Beginner & all from a-z .its useful
for Learning,Interesting to make by hand.it has 1 potentiometer VR1 for adjuste
the sensitivity ,the detecte rang 5~6 cm,the frequency is 150khz,it has one led
and buzzer,power supply 9vdc, i will put the complete circuit,pcb,connections, parts list.

if you interest shear your Proposals to help other and start step by step.
i am start for making the pcb complete+ Component of the project no 5 in pdf . the pcb is 7.5cmx4cm.
best time
j.

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japanese Topic starter

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GARY PI

	Re: Complete Pinpointer project for Beginner & all « Reply #1 on: October 06, 2010, 01:25:23 pm »

pcb complete+ Component of the project

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japanese Topic starter

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GARY PI

	Re: Complete Pinpointer project for Beginner & all « Reply #2 on: October 09, 2010, 06:46:44 am »

hi all
the Complete Pinpointer project,COMPONENT,Circuit,pcb,list.
i finished my Pinpointer it works good from firest time.
it detect all small metal .max rang 5~7 cm at clear sound.
best time
j.

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japanese Topic starter

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GARY PI

	Re: Complete Pinpointer project for Beginner & all « Reply #3 on: October 12, 2010, 07:17:44 am »

tr1,tr2 are the oscillation circuit generat frequency through l1,l2.
tr3,tr4 are amp the signal to led, sound.
tr5,tr6 are sound oscillation circuit generat sound frequency.
tr7 sound out.

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dr.jare

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	Re: Complete Pinpointer project for Beginner & all « Reply #4 on: October 12, 2010, 12:40:56 pm »

Epe mini metal detector - pinpointer (Thomas Scarborough)

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http://david.alfa-romeo.eu/elektro/EPE/2003/EPE%202003-07.pdf

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GARY PI

	Re: Complete Pinpointer project for Beginner & all « Reply #5 on: October 13, 2010, 01:14:22 pm »

Hi dr.jare
thanks for input the EPE 2003-07 pdf .i think it is the next project.
best time
j.

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GARY PI

	Re: Complete Pinpointer project for Beginner & all « Reply #6 on: October 17, 2010, 08:21:44 pm »

Hi all
my pinpointer project .
best time
j.

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GARY PI

	Re: Complete Pinpointer project for Beginner & all « Reply #7 on: October 25, 2010, 05:31:41 pm »

Hi all
the next good Pinpointer Petrapin .the pcb 13 cm x 1.5 cm.
the improved pcb,top Component, Schematic .the test result 5~6 small metal ,
9~12 cm big metal .this project not to beginner.
best time
j.

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