Hacked Gadgets Forum

April 11, 2007

Build a Hall Effect Gaussmeter

at 5:32 am. Filed under Cool Gadgets, DIY Hacks, Electronic Hacks

 

Rick Hoadley (the Magnet Man) has put together a simple gaussmeter project that uses a hall effect sensor to measure magnetic fields. The video shows two meters, one that uses a PIC microcontroller to measure and show the values and the simple version. There is no plans for the PIC version that I could see. Perhaps if there is enough demand Rick will make some plans and code available.

“Have you ever wanted to find out how strong a magnet really was, or how the strength of the magnetic field varied as you changed the distance from the magnet or the temperature of the magnet, or how well a shield placed in front of the magnet worked? Voltmeters are fairly inexpensive and easy to find, but where do you purchase a Gaussmeter (also known as a magnetometer). I built a hand-held Gaussmeter for measuring the polarity and strength of a magnetic field. It uses a linear Hall effect device and some op-amps and resistors and things from Radio Shack.

I will first describe a very simple, inexpensive Hall effect device Gaussmeter you can build for as little as $6. Then I will describe a Gaussmeter with a few more bells and whistles.”


 

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16 Responses to “Build a Hall Effect Gaussmeter”

  1. NGinuity Says:

    I have an SWR meter for my radio stuff, and it has a built in field strength meter. I am not sure if it is measuring some form of gauss, but it might be worth investigating to see if it is the same. I would hate to lug that big box around for the simple purpose of measuring field strength. Does any one else know if they are the same?

  2. liesofxiii Says:

    I dont think they’re the same.. seems like it would be a hastle :/

  3. NGinuity Says:

    Where’s your hacker spirit! The word “hassle” shouldn’t be in your vocabulary 🙂

    Looking into it a little more, it appears that they are (somewhat) of the same school of thought. Field Strength meters measure electromagnetic waves, so why couldn’t you use Hall’s Effect as a solution for this?

  4. max Says:

    nice and cheap!

  5. liesofxiii Says:

    Haha, yeah yeah, you’ve got me on that one bro

  6. Hexypoo Says:

    The hacking sprit is what makes life worth living. Kinda like getting a Fon router and installing dd-wrt on it. Its just pure happiness.

  7. liesofxiii Says:

    Hexypoo, I think thats the tightwad’s spirit 😛
    The hacker spirit is upgrading its ram 😉

  8. Shadyman Says:

    Cool beans. Maybe that will have to go on my list of things to whip up 🙂

  9. NGinuity Says:

    Hexypoo: I had the warranty voided on mine 5 minutes after I walked through the front door at home 🙂 You cannot even tell it’s a linksys router anymore. I have it in a different enclosure with a 12 DBi patch antenna attached 😀

  10. DIY Circuit HACK - How to build An inexpensive Hall effect Gaussmeter! | zedomax.com - blog about DIYs and Review on reviews of gadgets and technologies... Says:

    […] via amps, Circuits, Consumer, Cool, diy, DoItYourself!, educational, Entertainment, gadgets, Hack, hackedgadgets, how to make a gaussmeter, howto build a gaussmeter, magnet, magnetometer, Microcontroller, projects, radio shack, youtube, Zedomaxamps, Circuits, Consumer, Cool, diy, DoItYourself!, educational, Entertainment, gadgets, Hack, hackedgadgets, how to make a gaussmeter, howto build a gaussmeter, magnet, magnetometer, Microcontroller, projects, radio shack, youtube, Zedomax […]

  11. zedomax.com Says:

    DIY Circuit HACK – How to build An inexpensive Hall effect Gaussmeter!

    Download latest version of Flash to view video! . Click Here to View in Full Screen Mode
    Oh, check out this cool DIY on how to build an inexpensive Hall Effect Gaussmeter!  If you don’t want to build one, you can always buy a gaussmeter here.

  12. عبد الله Says:

    كيف العمل

  13. simon Says:

    My free gaussmeter:

    http://code4afc.republika.pl/gaussmeter.html

  14. Peter Hammerstone Says:

    SOOOOOOOOOOOOOOOOOOOOOOOOOOO WHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT!!!!!!!!!!!!!!!!!

  15. ganes Says:

    i need more explanation on Hall Effect Gaussmeter

  16. vlady Says:

    Full instructions and construction details for DIY gaussmeter
    http://www.fadstoobsessions.com/Electronics-Projects/DIY-Tools/Gaussmeter.php

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