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Offline danny475
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« Reply #490 on: November 10, 2010, 11:12:00 am »
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hi japanies
how are you ?
first of all thank you for evaluating my project, knowing that the result was worst comparing it with dose in u-tube
whatever
i dont know how to upload the vidio of the test but i will post the result oraly
tc danny 

Posted on: November 10, 2010, 11:08:50 AM
the full device and some of my coils i used

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Offline japanese
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« Reply #491 on: November 10, 2010, 11:29:42 am »
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Hi danny475
         fine...thanks ,I know that results will vary because the components vary from one place to another and I am waiting for results marked with all the pictures please put a picture of the  LCD screen only in the operating modes.

best time
j.

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Offline ameen
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« Reply #492 on: November 13, 2010, 07:14:34 am »
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 Angry

this is my delta pulse
h have some problem   Undecided


1-led ( Red and green are lights ) Huh? I chik bettry  IT IS 12 v -7 A
2-and ther is no sound Huh?


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Offline Engr Obaid
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« Reply #493 on: November 13, 2010, 07:46:49 am »
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Ram,
I made the new delta plus in a single day & tested it was ok, because the calculations you have done is already done by the designer of this circuits than why I waste my time, if the circuits assembled  OK , than why there is a issue with circuits
In my delta plus circuits I used 2N3904 transistor between FET740 gate & the 556, it is working well
The circuits is already working , but with small modifications we can do better , 

BR,
Obaid
 


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Offline ram
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« Reply #494 on: November 13, 2010, 08:45:57 am »
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obaid, you said your dp is working well, why you gave wrong idea to ammen in trouble shooting his dp, is your new dp has 100 ohm resistor in mosfet gate? if it has, that is 100 percent not working well.

for ammen, check schematic, 1led is for power, another one is for low battery indicator.
no sound-check 555 circuit w/c is sound generator maybe solder bridging/also chk spkr connection.

regards,ram,

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Offline Wilson
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Delta Pulse stage assemply
« Reply #495 on: November 13, 2010, 10:40:49 am »
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Hello ameen, signal is interrupted by a connection error in the gain potentiometer. Correction in this picture.
Ok buddy! Great

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Offline danny475
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« Reply #496 on: November 13, 2010, 11:59:50 am »
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hi
do you check the conection error as wilson sad
after that try to change the 556
or try to change all the integrated sercuits it might be one of them is ceropted
tc
danny

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Offline LukyMe
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« Reply #497 on: November 16, 2010, 05:56:07 am »
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Eugene52
I would be very interested when you get it all together. Are you going to do some comparison "Field Tests" " & post some "Depth" Testing? I would love to see some comparisons.

Best of Luck!
LukyMe

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God Bless & keep Swinging!
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« Reply #498 on: November 18, 2010, 04:10:07 pm »
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                                                              Hello everyone!!!
     I am from Serbia.I am beginner in the treasure hunting.I made one simply detector that i found on you tube.It works great,for all metals.
      Now i want to make something more seriously,Sniffer XR71.
Serbia have many places to research.My english is not too good,but i will post everything which i have collected.
       Best regards.............from Serbia!!!!

Posted on: November 18, 2010, 02:29:01 PM
this is shematic,in protel,i found on geotech forum.sory but bad english

Posted on: November 18, 2010, 02:42:42 PM
Is this PCB good?

Posted on: November 18, 2010, 04:04:41 PM
anyone have list of components,it will bee more easier for me to make this detector?Huh?
        thank you !!!! Smiley Smiley Smiley

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Offline GoldDigger1950
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« Reply #499 on: November 18, 2010, 04:20:43 pm »
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Fixxx, all of your questions have already been answered. Use the search tool at the top of the page.

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