home made mic issues

chico1st · 3rd September 2011, 03:11 PM

Hi there i followed this guide on how to build your own mic with a stereo jack on the end with which to connect to a sound card, but mine doesnt work.

I get no signal on my computer if i have it plugged in.

This is super easy to make but I did something wrong, any ideas of what to look at?

Please help this is super frustrating.

mickeymoose · 3rd September 2011, 03:24 PM

Go to this site: System Test and scroll down to the microphone section. In the schematic you will see that you need power for the mic to work. E

Michael Bean · 3rd September 2011, 03:47 PM

Those mic capsules are easily damaged by heat, it's possible you may have damaged it when soldering, it happened to me on my first attempt.

Mike

Svein_B · 3rd September 2011, 03:54 PM

I believe that some (older?) sound-cards provide a 5V DC voltage on the mic input for feeding a microphone, but many do not.

This circuit will work fine with a Panasonic capsule:

SveinB

Garyepe · 17th September 2011, 12:49 AM

For Panasonic capsules maybe expensive for some body.
I think you can check Aliexpress. In this B2C website you can find a lot supplier who make MIC and MIC spare parts

mickeymoose · 17th September 2011, 02:08 PM

Their price is US$26. The Panasonic is $2.50 (Digi-Key)! E

3rd September 2011, 03:11 PM	#1
chico1st diyAudio Member Join Date: Sep 2010	home made mic issues Hi there i followed this guide on how to build your own mic with a stereo jack on the end with which to connect to a sound card, but mine doesnt work. I get no signal on my computer if i have it plugged in. This is super easy to make but I did something wrong, any ideas of what to look at? Please help this is super frustrating.

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3rd September 2011, 03:24 PM	#2
mickeymoose diyAudio Member Join Date: Nov 2008	Go to this site: System Test and scroll down to the microphone section. In the schematic you will see that you need power for the mic to work. E

3rd September 2011, 03:47 PM	#3
Michael Bean diyAudio Member Join Date: Sep 2004 Location: Minneapolis, Minnesota, USA	Those mic capsules are easily damaged by heat, it's possible you may have damaged it when soldering, it happened to me on my first attempt. Mike

3rd September 2011, 03:54 PM	#4
Svein_B diyAudio Member Join Date: Oct 2005	I believe that some (older?) sound-cards provide a 5V DC voltage on the mic input for feeding a microphone, but many do not. This circuit will work fine with a Panasonic capsule: SveinB

17th September 2011, 12:49 AM	#5
Garyepe diyAudio Member Join Date: Dec 2007 Location: Ningbo	For Panasonic capsules maybe expensive for some body. I think you can check Aliexpress. In this B2C website you can find a lot supplier who make MIC and MIC spare parts

17th September 2011, 02:08 PM	#6
mickeymoose diyAudio Member Join Date: Nov 2008	Their price is US$26. The Panasonic is $2.50 (Digi-Key)! E

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