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General
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Announcements
Read this first before posting
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Technology
Tech Forum
General tech discussions on all types of metal detectors: VLF, 2-box, BFO, off-resonance, PLL, etc. Questions, ideas, and anything else that moves you.
Topics: 5,454 Posts: 82,166
5,454 82,166
PI Technology
Tech discussions specific to Pulse Induction
Topics: 248 Posts: 20,647
Last Post: Pulse star 2 pro
248 20,647
ivconic
by ivconic
Coils
Same as the Tech forum, but coil-specific.
Topics: 2,263 Posts: 23,858
Last Post: first selfmade coil
2,263 23,858
Levin
by Levin
Modifications
Detector mods, plus any other useful add-ons.
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Last Post: GOLDEN MASK 4 PRo
742 7,520
Artyom
by Artyom
Schematics
If you have a schematic to share, post it here. Please read the Intro post for rules on posting schematics.
Topics: 1,571 Posts: 29,868
Last Post: Wireless headphones
1,571 29,868
Detectorist#1
General Detectors
A place to discuss the non-technical aspects of metal detectors. Your favorite detectors, favorite features, or favorite accessories.
Topics: 39 Posts: 1,009
39 1,009
Magnetometers
Tech discussions on mags.
Topics: 728 Posts: 3,992
728 3,992
Technical Books, Papers, and Literature
Technical books, papers, and literature related to treasure hunting technology. Any books written by Geotech members are made sticky at the top of the forum.
Topics: 10 Posts: 86
10 86
Side Scan Sonar
Tech discussions on sonar, transducers, and towfish construction.
Topics: 873 Posts: 3,293
Last Post: JW Fishers Pulse 12
873 3,293
Yury
by Yury
Geophysics
Other geophysics techniques, including earth resistivity, GPR, infrared, induced polarization, etc.
Topics: 371 Posts: 3,282
371 3,282
ricin48
by ricin48
Tools & Techniques
Vacuum forming, coil winding, packaging... anything mechanical.
Topics: 197 Posts: 2,008
Last Post: PCB
197 2,008
Carl-NC
PCB
by Carl-NC
General Electronics
Cool circuits, tips, techniques, PCB methods, test equipment, etc.
Topics: 571 Posts: 5,731
Last Post: Hex Schmitt Trigger
571 5,731
ivconic
by ivconic
Programming
This is a special section dedicated to coding techniques, tips, tricks, methodology, programming various modules, MCUs, digital filters, etc. Basically, anything code-related.
Topics: 42 Posts: 405
42 405
Projects
Project Competition
Got a something in mind you would like to see designed? Post it here and see who can come up with the best solution.
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8 429
Completed Projects
Projects that have been reasonably completed
Sub-Forums:
Arduino Nano PI (8/870)
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Active Projects
Projects that are currently being developed
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AMX Project (10/867)
Abandoned Projects
Project that were never completed but may still have good info
Sub-Forums:
GPR Project (38/504)
Kingfisher PI (2/56)
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Tinkerer's IB-PI (32/1,820)
USB Projects (10/1,887)
Misc
Buy-Sell-Trade
Detectors, parts, electronics, and so forth. No dealer restrictions.
Topics: 1,032 Posts: 5,390
Last Post: WTB Tesoro coils
1,032 5,390
Carl-NC
by Carl-NC
Treasure Magazines & Books
Buy-Sell-Trade-Discussion specifically for treasure mags, books, & other publications.
Topics: 213 Posts: 456
213 456
Inside the Metal Detector
Discussions concerning content, circuitry, source code, etc for the ITMD book.
Topics: 55 Posts: 633
Last Post: PI Question
55 633
lucifer
by lucifer
Vintage & Collectable
Pics & info on vintage detectors, for those who like "the good ol' days" of digging everything.
Topics: 185 Posts: 995
185 995
Melbeta
by Melbeta
Melbeta's Vintage Files
Unique vintage metal detector info donated by denizen 'Melbeta'.
Topics: 22 Posts: 219
22 219
Free Advertising
Those who have products & services they would like to advertise may do so here. Please read the Intro post.
Topics: 119 Posts: 132
119 132
Offsite Forums
Advanced Metal Detecting Research Lab
Italian website run by Leonardo Ciocca. Since 2009, a technical reference point. Objective and impartial to all lovers of the metal detector.
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Eric Foster's PI Tech Forum
at Findmall.com
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0 0
Pulsdetektor Forums
Tech forums dealing with the various Pulsdetektor projects. German only, Click Here for a BabelFish English translation.
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Russian Metal Detecting forums
Lots of technical forums, but all in Russian. Click Here for a BabelFish English translation.
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0 0
THunting.com
THunting.com is the former host for Geotech. These are general Treasure Hunting forums.
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0 0
LongRangeLocators.com
The world's largest forum dedicated to the discussion of LRLs and related devices.
Topics: 0 Posts: 0
0 0

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Topics: 17,079   Posts: 235,890   Members: 6,404   Active Members: 509
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Latest Topics

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  • Alexismex
    PCB
    by Alexismex
    Can you help me to recommend a good relationship PCB manufacturer in USA for small volume, Thank you.
    Yesterday, 02:48 AM
  • ivconic
    Hex Schmitt Trigger
    by ivconic
    "...MC14584B Hex Schmitt Trigger is constructed with MOS P–channel and N–channel enhancement mode devices in a single monolithic structure.​.."

    I am considering White's TM-808 and some modifications. I'm curious what other, easier to get, maybe more "modern" circuit...
    03-26-2024, 08:29 PM
  • moodz
    MAGPI V2
    by moodz
    The MAGPI V3 is a cut down version of the the V2.
    Here is the V2 for your enjoyment. It uses synchronous switch mode supplies for lower noise and has more modes than V3. ( like FE reject )

    ​...
    03-26-2024, 05:36 AM

trending

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  • detectormods
    What detector or generation of detectors am I describing?
    by detectormods
    Separating Frequencies by Time:
    • The detector transmits two pulses with different lengths.
    • The received signal is sampled at specific moments after each pulse.
    • High-frequency components decay faster and disappear in later samples.
    • This allows separation of high (H), medium (M), and low (L) frequencies
    ...
    03-24-2024, 01:05 AM
  • ivconic
    Hex Schmitt Trigger
    by ivconic
    "...MC14584B Hex Schmitt Trigger is constructed with MOS P–channel and N–channel enhancement mode devices in a single monolithic structure.​.."

    I am considering White's TM-808 and some modifications. I'm curious what other, easier to get, maybe more "modern" circuit...
    03-26-2024, 08:29 PM
  • moodz
    MAGPI V2
    by moodz
    The MAGPI V3 is a cut down version of the the V2.
    Here is the V2 for your enjoyment. It uses synchronous switch mode supplies for lower noise and has more modes than V3. ( like FE reject )

    ​...
    03-26-2024, 05:36 AM
  • Levin
    first selfmade coil
    by Levin
    Hello
    Im buliding a voodo metall detector. I want to build the coil myself. The coil I want build ist the in georges book used 9“ diameter concendic coil. But I´d never build a so complicated coil myself. Please could some eplain me how I do this.
    thanks Levin
    03-23-2024, 03:49 PM
  • Auto-Mation-Assist
    My AGD analog detector work
    by Auto-Mation-Assist
    I have mostly completed my design work on my analog metal detector which is named AGD23-2 but will be updated to AGD23-3 for the final version. The AGD standing for Alaska Gold Detector. The goal of this project was to design an analog detector using modern components as my performance standard to compare...
    You may only view thumbnails in this gallery. This gallery has 1 photos.
    03-03-2023, 09:50 PM
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