easy sound dectection 12 volt ?

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duikkie
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Joined: Fri Feb 07, 2014 3:28 pm

easy sound dectection 12 volt ?

Postby duikkie » Wed Jul 26, 2017 7:53 am

you have them for water, light, ir, time and more

but i am looking to detect sound of more then 50 dba and more
with relais to switch something on .

variable from 50 dba till 100 dba or so

to build so easy schematic :)

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1024MAK
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Re: easy sound dectection 12 volt ?

Postby 1024MAK » Wed Jul 26, 2017 9:28 am

Put "sound to light circuit" or "sound to light schematic" in a search engine :wink:

I'm sure you can adapt one of the existing designs.

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MartinB
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Re: easy sound dectection 12 volt ?

Postby MartinB » Wed Jul 26, 2017 9:59 am

If you don't mind waiting, for probably less money than you'd pay for parts, there are many such modules on ebay. For example....

sound triggered relay.JPG

duikkie
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Re: easy sound dectection 12 volt ?

Postby duikkie » Wed Jul 26, 2017 10:39 am

oke not sure what it is doing if it dectects sound? sometimes it says turn off ? light for howlong :)

but it is a start. if it dectects sound the before relay do something :)
if sound off , relay off

MartinB wrote:If you don't mind waiting, for probably less money than you'd pay for parts, there are many such modules on ebay. For example....

sound triggered relay.JPG

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MartinB
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Re: easy sound dectection 12 volt ?

Postby MartinB » Wed Jul 26, 2017 10:59 am

I would imagine that the relay will almost certainly be a three-contact changeover type and so will have NO (Normally Open) and NC (Normally Closed) contacts meaning that you could use the sound level threshold to turn something on or to turn it off.

duikkie
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Re: easy sound dectection 12 volt ?

Postby duikkie » Wed Jul 26, 2017 11:38 am

we will see :) over 6 or 8 weeks [-o<


MartinB wrote:I would imagine that the relay will almost certainly be a three-contact changeover type and so will have NO (Normally Open) and NC (Normally Closed) contacts meaning that you could use the sound level threshold to turn something on or to turn it off.


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