can anyone build a pin pointer from scratch???

[1337]

Just wondering if anyone has made or has found some instructions on building a home made pin pointer. I'd like to see the article(s) and how you've created it.

Thanks

 

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[Mighty AP]

Check this site out 1337, im thinking about building one myself...........

http://members.fortunecity.com/nmhra/Detectors/Pinpointer.htm

 

[Rustbelt Rosie]

Yeah, I made one of these and they actually don't work too bad. The problem with the G/B box is that it is extremely thin plastic and the battery compartment won't stay closed. Just for the heck of it, to have a back up to my Bullseye, I am going to see if I can pick up a project box from R'Shack and move the board from the homemade unit into it. (And shorten the probe length a bit.) It's easy to make. Also if one of you guys get stuck and can't find the G/B unit..pm or email me, I THINK I have another one around here somewhere.
G'luck to ya!
Rustbelt Rosie

 

[Mighty AP]

I also just saw a post (cant remember where or by who) where somebody made a couple out of stud finders, said the worked good, might try that out too.

 

[WV_Detecting]

I have made the one from the link posted above, it worked fine but is no comparison to the manufactured pinpointers, but then again I have had problems out of them as well. I would like to build one from a manufactured model (broken of course) and try and get the probe end into a thin appendage like an arrow shaft or something of similar thinness. I am just not techy enough to either accomplish it or spend the time trying right now, maybe one of these days. End thought sounds like a good project using one of the 30$ detectors, ripping it apart and building one.......

 

[Stainless Steet Rat]

I am new to detecting but I used to work at an electronic shop. I took a 20 dollar little wizard II stud finder and made it into a pinpointer. One side of the coil is more sensitive that is the side I put end first into the 5 inch thin plastic tube I added. I turn it on and it will beep and the first led will light up keep turning the knob then stop right when it stops beeping. It will pick up a dime at about 1 inch and a quarter at about 1.5 inches. As you get closer to the target more leds will light up. The box says the operating freq is 90Khz, I would guess if I could lower the operating frequency down it could be more sensitive.

 

[Stainless Steet Rat]

I forgot to put the web sight of the stud finder I used,
http://www.wizarddetectors.com/metaldt.cfm
It only comes with 1 screw to hold the whole unit together I added 2 nuts and bolts where I took the coil out near the end and black duck tape to hold the battery cover on.

 

[zootman]

Check out my post PT 3 in 1 stud finder1 For $8.00 you should be able to make a great pinpointer!

 

[Old California]

Here's a project I put together about three years ago, Not from scratch but very close.

Using a powerful Pi circuit board, some spare 100k pots, miniature probe and a gutted out fisher 1225-X housing, Here is the final finished product.

It's very powerful, Operates off two 9-volt batteries "18 volts" and can detect a buried coin 5-6" inches, Very smooth threshold operation.

I use it mainly as a hip mounted probe, inserted inside a handle mans tool pouch. Even works as a Pi beach detector when using the larger 8 and 11" coils.

Did you ever end up making a probe?

HH, Paul (Ca)

 

[Mighty AP]

Wow Paul, thats some fine handie work! Can you adjust the sensetivity on that? Very impressive!

 

[Old California]

Thanks Mighty,

Yes, I can adjust the sensitivity on the miniature unit, By reversing the delay knob will reduce sensitivity.

Also, I can increase/decrease the SAT speed by changing the value of a resistor on the circuit board depending on the area the user would live which will change the sensitivity.

Thanks again,
Paul (Ca)

 

[jonas63]

http://home.clara.net/saxons/probe.htm

 

[Mike95inNJ]

Here's one I made a few years ago. It got swallowed by my basement.Recently found it. I'm going to take it apart and redo it. I think it's too long. You have to dial in to just the right spot for it not to sound off. One question I have is if I rewind the ferrite core with more windings will it work any better? Just a thought.
Thanks,Mike in NJ

 

[gollum]

Here's a link to Carl Moreland's Website. It is how to make a pinpointer from a wall studfinder. REALLY simple, and works well.

http://www.thunting.com/cgi-bin/thunting/pages/go.cgi?go=do-it-yourself/probe/index.shtml

Best,

Mike

 

[prizm II]

I made mine from a "Little Wizard II". $15 to $20 at Harbor Freight or on line. The tip is made from a "SUPER SHARPIE" marker. I used epoxy glue to seal the end. When you take the Wizard apart the coil has about 4" of extra wire so you can insert the coil into the marker pen. I get about 1" on coins.

 

[DANNYGEE]

Found this a few months ago and it works good as pinpointer.
folds in HALF
price is right. FROM GRAINGER
try it you'll like it!


Metal Detector, Checks Fuses, Continuity and Diodes Grainger Item # 6JG68
Price (ea.) $17.86
Brand WESTWARD
Mfr. Model # 6JG68
Ship Qty. 1
Sell Qty. (Will-Call) 1
Ship Weight (lbs.) 0.25
Usually Ships** Today
Catalog Page No. 838

 

[oldguypromo]

I have one of these I use for a pinpointer but had to make a couple of minor changes to it. It was not loud enough for me so I drilled some holes in the cover where the name Westward is located and in the battery cover, helped a lot. The light is located in the wrong position to see when you are holding this pointer down, so I drilled a hole in the cover above the light and put a gob of hot glue in the hole leaving the glue sticking up above the hole a little, now the light lights-up the glue. This pointer is a good deal for $17 bucks although it only has a range of about 1 inch.