Montana Ghost Hunter

Tag: geophone

Finished the prototype of my paranormal geophone

by on Nov.16, 2010, under Equipment

I was excited to finish my version of the paranormal geophone. The first prototype used a smaller circuit board, which in turn added more wires to connect the LEDs. Not ideal. The second prototype used a larger circuit board where the LEDs were connected directly. This worked brilliantly, and created a very clean build.

The paranormal team I’m affiliated (TSI – Tortured Souls Investigation) had an investigation over the weekend, and this would be a great test for my geophones. Both worked well, both were quite sensitive and did the job. Nothing conclusive in relation with the geophone and the investigation though (overall it was a quiet night).

The geophone that I’ve put together have some cool features. Number one, they’re built in a aluminum enclosure, so they’re built to last. Number two, I used super bright LEDs that really light up when there is seismic activity. I also have the option of battery power or powered by adapter which is handy if batteries are drained. I’ve included the sensitivity knob which uses a high quality potentiometer with a cool looking ‘chicken head’ knob. Also LED power light so you know it’s on.. when it’s on.

I’ll have some photos up soon!

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New GeoPhone Project

by on Oct.31, 2010, under Equipment

So, I’ve been kicking around the idea of putting together a new GeoPhone.. that is cool and durable. The kits out there are good, but wanted some additional functionality, and the pre-built kits (assembled kits with enclosures), look pretty bad (ie: circuit board mounted on top of the unit). My first GeoPhone kit was fun and easy to put together, but in the field, it has to be handled with delicate hands (especially during storage, etc). Storing it carefully was a worry, but also the chance of someone stepping on it or kicking it was also something on my mind.

I started on my new GeoPhone project that has some additional functional features, and will be completely enclosed in a metal enclosure. I’m pretty excited about building this. Also, I’m not assembling it from a kit. In fact, I’m building the circuit board, etc. I already prototyped the circuit on a breadboard, and just finished my circuit board (acid etched and tinned).

Below is a shot of the circuit board.

MTGhostHunter.com GeoPhone Etched PCBI’ll be creating this with super bright LEDs and enclosed in a durable metal enclosure and using high quality electronic components and wiring. Pieces are slowly coming in, and I’ll be working on assembly in the next couple of weeks. I’ll post the next build segment, but if you or anyone is interested in one of these GeoPhones, please contact me, I’m planning on building a few.

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GeoPhone Sensor

by on Oct.09, 2009, under Equipment

Geophone Color SketchMy friend Andy commented on my GeoPhone project and mentioned that the sensor and kit are unavailable currently.  I’ve been curious how that sensor actually works. I knew there was a magnet and it felt ‘suspended’ since moving it makes a noticeable ‘clicking’ sound.

I found this cool diagram describing how that sensor works. Looks pretty simple, I wonder how hard it would be to make.. I’m guessing the tough part is getting the right frequency.

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GeoPhone Project

by on Oct.06, 2009, under Equipment

I’ve been seeing the use of GeoPhones on the various ghost hunting shows, primarily Ghost Hunters and Paranormal State. Basically, the GeoPhone is a device that picks up vibrations and displays the strength by lighting up a series of LEDs. This can be used for ghost hunting by providing a visual interpretation to sounds that are cause physically. For example, you can ‘call’ for taps on the table, and taps are heard, but the GeoPhone could visual display those taps for additional evidence. I’ve also seen the GeoPhone used to register foot falls or foot prints on hardwood surfaces, etc.

After seeing this, I thought it would be cool to create one. I was able to purchase a kit from BG Micro, and I housed it in a left over solar powered walk-way housing. I elevated the sensor at the top of this housing, and bolted the circuit board directly to the inner part of the housing. I also added a 9 volt power supply and micro-toggle to turn it off and on.

I created this small video to demonstrate it’s functionality. Let me know what you think!

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