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Ways to suppress noise from a homepad
 
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devosbi
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0. PostPosted: Fri Sep 19, 2008 6:39 am    Post subject: Ways to suppress noise from a homepad Reply with quote

I'm trying to get rid of this annoying "clink" noise when i step on the arrows, so Ive decided i need some form of suppressor. Now...

Ive thought about this, and i reckon the best option is to use a Conductive rubber, like what is used to connect LCD's to PCB's. This rubber sits on one of the contacts, and prevents the noise and at the same time increases the life of the sensor. Where can i get large amounts of this "Conductive rubber" or is there any other ways i can suppress the noise?
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Future Master
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1. PostPosted: Fri Sep 19, 2008 1:08 pm    Post subject: Reply with quote

There's probably nothing you can if its your sensors that are making that noise. I would suggest coming up with a better sensor design like using two sheet metal contacts(like 10 inch by 10 inch sheet metal 22 or 24 gauge with the corners cut off) for the sensors.
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devout
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2. PostPosted: Fri Sep 19, 2008 7:27 pm    Post subject: Re: Ways to suppress noise from a homepad Reply with quote

devosbi wrote:
I'm trying to get rid of this annoying "clink" noise when i step on the arrows, so Ive decided i need some form of suppressor. Now...

Ive thought about this, and i reckon the best option is to use a Conductive rubber, like what is used to connect LCD's to PCB's. This rubber sits on one of the contacts, and prevents the noise and at the same time increases the life of the sensor. Where can i get large amounts of this "Conductive rubber" or is there any other ways i can suppress the noise?



While I dont think this is a legitimate way to suppress noise, go to www.mcmaster.com and search for electrically conductive rubber. The prices are fairly reasonable. ($50 for more than enough for a pad). You might want to check the corresponding mil specs to see just how conductive it is.
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ChilliumBromide
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3. PostPosted: Sat Sep 20, 2008 7:49 pm    Post subject: Reply with quote

Decrease the range of motion and/or put some high-density foam on the metal. If the metal is restricted by foam or rubber, it won't be able to vibrate as much; this will decrease both the wavelength and the and the amplitude of your clinking and it should become more like a dull thud.
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slvrshdw
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4. PostPosted: Sat Sep 20, 2008 11:00 pm    Post subject: Reply with quote

you also could try to line the inside with some kind of foam they use for soundproofing stuff.

that should help a bit.

(i need to figure out a way to dampen the noise on my popn controller)
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belink
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5. PostPosted: Sun Sep 21, 2008 2:59 pm    Post subject: Reply with quote

Soundproofing foam won't work, unless you're covering your own house's walls with it.. tongue.gif
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devosbi
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6. PostPosted: Sun Sep 21, 2008 6:42 pm    Post subject: Reply with quote

DancingTofu(SMC) wrote:
Decrease the range of motion and/or put some high-density foam on the metal. If the metal is restricted by foam or rubber, it won't be able to vibrate as much; this will decrease both the wavelength and the and the amplitude of your clinking and it should become more like a dull thud.


Thats my first option, i'l decrease the gap between the contacts, and make sure the brackets are tightened.
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