How To Build an Electromagnetic Microphone for $10
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- čas přidán 15. 07. 2024
- There's electromagnetic fields and radio frequencies all around us. With this $10 DIY device, you can capture those invisible waves and record them as audible sound.
Inductors - www.jameco.com/shop/StoreCata...
Audio Cable - www.sfcable.com/25ft-1-4-mono...
DI Box - amzn.to/39MIpah (Paid Link)
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0:00 Induction Explained
1:27 Building the Device
4:40 Audio Tests
13:49 Outro - Krátké a kreslené filmy
Great video! My inductor is in the mail. I'm looking forward to building this and hearing the results. Cheers!
Cool idea. Try to record some lighting strikes sometime, I think you will find those make quite a splash in the electromagnetic spectrum. You could also add a diode (and possibly a capacitor) to down-convert frequencies that are too high to be audible, which is the majority of the spectrum.
Can you give more info on how to connect the diode and cap
take a clean jelly jar. Add 3 tsp magnetite then fill with vegatable oil. Seal this with duct tape. Then wrap a coil around the jar and attach this to a mic jack. This jar microphone will be directional, with largest pickup at top or bottom of jar.
whyyyyyy
@@deniz10110 This allows you to hear magnetic fields in the audio range.
i am just discovering magnetic fields and sounds produced by them. thanks for the instructions and taking time to respond
very nice video, tnx a lot! peace
Nice experiment
I am using the same inductor value, but the sound volume is very low. How are you recording the sound? Thanks!
If I use guitar cable whether it's possible?
I accidentally made one of these when making an 8H inductor filter for my synth, it was loud
I used a cassette tape head, for my inductor.
I planned on putting in a 60Hz notch filter but never did. Someday ;)
I wanna build one of those things to record electric train sounds
Same
All you need now is a haunted house lol
turned on CC while I was on my phone and I don't know what made the CC for this video but they're kind of crazy.
Melody in my clothes on your hand the fight Together Together one hundred Thousand Mile and more interesting people make you sweat
Apparently Google thought I was speaking Vietnamese and "translated" accordingly. On the upside, those would make for some interesting song lyrics.
why is there no part list what you need, please edit in a part list
... but you can buy them for $3 ....