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Thread: Pickup Gaussmeter v.3.0

  1. #141
    Old Timer RedHouse's Avatar
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    Quote Originally Posted by BadHorsie View Post
    My A1302 from overseas finally showed up in the mail today. I soldered it to the Sensor and calibrated it and did some testing. It is working GREAT. I temporarily mounted in in my project box to get a look at it. All that I have left to do is disassemble and add the overlay with button designation on it when my wife gets around to making it and reassemble for the last time.
    Looks good.

    I appears to require a bigger box than v2.0

  2. #142
    Member Phil m's Avatar
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    I'd love to buy one of the PCB's when you get a new batch in

  3. #143
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    Finally got my A1302 yesterday, hooked it up, everything is working very well :-).

  4. #144
    Senior Member -Elepro-'s Avatar
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    Quote Originally Posted by Phil m View Post
    I'd love to buy one of the PCB's when you get a new batch in
    i hope to have them in a few days.... i already contacted service for new production.
    i will open a new thread in the next days....

    bye
    Last edited by -Elepro-; 06-26-2010 at 02:34 PM.

  5. #145
    Woodgrinder/Pickupwinder copperheadroads's Avatar
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    i dont think i got all the parts i needed from mouser
    i need the header . & out of the 16 items on the mouser list i got 12

  6. #146
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    I counted 17 parts not including the project box I ordered. Did you compare the parts you received to what was in the list on the first page. There was also two substitutions one for the header and one for the caps. The the parts in the original list were back ordered.

  7. #147
    Woodgrinder/Pickupwinder copperheadroads's Avatar
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    just a quick question about the Q1,Q2,Q3 on the board are Q1 & Q2 are the bs170 & Q3 bc327 is this correct ?
    & is there a battery connector if so what part number . i am missing 4 items on the order so i will order .
    i did not get the header
    517-929834-16
    7805
    R100 K
    R10 K
    i do have a bunch of archer resisters i have had for years 100 & 10 k i was wondering if i could substitute
    Last edited by copperheadroads; 06-28-2010 at 01:50 AM.

  8. #148
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    As per -Elepro- "......... BC327 is q3.... BS170 are q1 and q2 "

  9. #149
    Supporting Member Corona Blue's Avatar
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    Thanks Elepro!! Add me to the order list!

    Best,

    Corona Blue

  10. #150
    Senior Member mkat's Avatar
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    Elepro, I finally have some time to work on this, but some parts are unavailable at Mouser. Can you help with where I can get the following parts or equivalent:

    271-100-RC .................. 2 X R100ohm [not listed]
    271-10K-RC ...................2 X R10kohm [not listed]
    511-L7805ACV ................. 7805 [not listed]
    517-929834-01-16 ................ lcd header [not listed]
    505-MKS20.33/63/5 ...........330nf [backorder]
    652-3362F-1-103LF .........10kohm trimmer [backorder]
    int main(void) {return 0;} /* no bugs, lean, portable & scalable... */
    www.ozbassforum.com

  11. #151

  12. #152
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    Elepro THANKS! I am about to sit down and populate the board you sent me and I am very excited. This project is so great on so many levels.

    I think I remember seeing more documentation on this project somewhere - all I have is the parts placement from CAD [Gauss.pdf], and that doesn't have the pinout for the sensor board - tho I'm sure I can get the data sheet for Ad2215 and figure it out. Is there any documentation? E.g. what do the buttons do?

  13. #153
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    Okay I spent a good 10 minutes searching and found this: http://www.labguitars.com/upload/gaussmeter3.pdf

    Looks to be same revision as the board I have. Thanks!

  14. #154
    Senior Member -Elepro-'s Avatar
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    perfect .... let me know

  15. #155
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    Hello Elepro,

    David Schwab told me about your gauss meter kit for measuring the magnet strength of my pickups. Can I buy a complete kit from you please? I am an experienced electronics technician and should easily manage to piece it together. I believe you are based in Italy. I live in Scotland and will pay in Euros if you require via paypal.
    Please let me know if this is OK

    thanks Kindly

    Andy Johnson

  16. #156
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    Hello Elepro,

    David Schwab told me about your gauss meter kit for measuring the magnet strength of my pickups. Can I buy a complete kit from you please? I am an experienced electronics technician and should easily manage to piece it together. I believe you are based in Italy. I live in Scotland and will pay in Euros if you require via paypal.
    Please let me know if this is OK

    thanks Kindly

    Andy Johnson Nov 2015

  17. #157
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    I'm also interested in this project.

    I know that it was some years ago that you made the pcb's, but could you do another run?

    thanks

  18. #158
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    So is this project completely dead?

    If so, can you guys please recommend an alternative to a DIY Gauss Meter?

    Or if anyone wants to sell their unit please let me know

    THank you so much

  19. #159
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    Quote Originally Posted by ilcaccillo View Post
    So is this project completely dead?

    If so, can you guys please recommend an alternative to a DIY Gauss Meter?

    Or if anyone wants to sell their unit please let me know

    THank you so much

    Have you seen this DIY project https://www.kjmagnetics.com/blog.asp?p=gaussmeter ?

    If you want something cheap that's already made, there's this Spin Doctor E.R.

  20. #160
    CNC Trial by Fire kayakerca's Avatar
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    Quote Originally Posted by Antigua View Post
    Have you seen this DIY project https://www.kjmagnetics.com/blog.asp?p=gaussmeter ?

    If you want something cheap that's already made, there's this Spin Doctor E.R.
    I don't believe they are being manufactured anymore.

    Spin Doctor Website
    Take Care,

    Jim. . .
    ____________________________________________________
    In the immortal words of Dr. Johnny Fever, “When everyone is out to get you, paranoid is just good thinking.”

  21. #161
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    Yes, unfortunately the Spin Doctor is not being produced any longer.

    I've seen simple DIY projects like the one you posted, just using an 5V regulator and the hall sensor.

    It's pretty easy to do, but I would prefer to built something like the Elepro V3 or the Spin Doctor, with PIC integration that indicate south and north pole and do already the voltage conversion to Gauss

  22. #162
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    Quote Originally Posted by ilcaccillo View Post
    Yes, unfortunately the Spin Doctor is not being produced any longer.

    I've seen simple DIY projects like the one you posted, just using an 5V regulator and the hall sensor.

    It's pretty easy to do, but I would prefer to built something like the Elepro V3 or the Spin Doctor, with PIC integration that indicate south and north pole and do already the voltage conversion to Gauss
    That's a shame. I would have bought a backup if I knew they were going away.

    Are you specifically interested in making it yourself, or would you buy something already made, equivalent to the Spin Doctor?

    I'm seeing a magnetometer here for $111.00 https://www.ebay.com/i/252795578256?chn=ps , I suspect it indicates polarity with the numeric sign.

  23. #163
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    Thanks for the link Antigua,
    I would preffer to build a DIY version.

    The Elepro 3.0 Gauss meter seemed exactly what I need, but I don't know the status of the project at the moment, unfortunately this thread seems dead for a while.
    Maybe some older member with experience with this project can shed some light or it would be great if Elepro gave us some info on the possibility of doing another run of PCB+MCU's.
    I'm sure I could gather enough people interested to do another run

  24. #164
    Senior Member LtKojak's Avatar
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    Lab Liuteria - Faq - Easy Gaussmeter

    It's in italian. Use the google translate feature.

    It should be a nifty little thing, easy and cheap to make, using components available everywhere at anytime.

    Granted, not for forensic use, but precise enough to give a pretty good idea about the charge of any alnico magnet. Or so I was told by my late friend Giuseppe.
    Pepe aka Lt. Kojak
    Milano, Italy

  25. #165
    Senior Member LtKojak's Avatar
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    Exclamation Is this useful?

    http://www.labguitars.com/pickup_gaussmeter.html

    I may have found elepro's project. This page hasn't been edited since 2012, so I don't know how relevant it is today.

    gaussmeter3.pdf

    Let's see if this attachment thing works... yes, it does!

    Any takers to take this and develop it a bit further, so it'll look like the Spin Doctor? That was a really well-thought-out format. But the guy refused to ship to Italy, not even with full payment in advance.

    I used to have the first of elepro's gaussmeter project, which worked like a charm... until it died under the wheels of a two-tons SUV. Don't ask.
    Last edited by LtKojak; 12-21-2017 at 09:22 AM.
    Pepe aka Lt. Kojak
    Milano, Italy

  26. #166
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    Quote Originally Posted by LtKojak View Post
    Lab Liuteria - Faq - Easy Gaussmeter

    It's in italian. Use the google translate feature.

    It should be a nifty little thing, easy and cheap to make, using components available everywhere at anytime.

    Granted, not for forensic use, but precise enough to give a pretty good idea about the charge of any alnico magnet. Or so I was told by my late friend Giuseppe.
    Seems nice and easy enough, similar to the other simple DIY projects circulations the web.
    But still no Display, or North and South Pole indicator and you need an external DMM.

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