For problems with Gamebuino itself, NOT your project
by Sushi » Sat Nov 08, 2014 9:56 pm
I connected an external speaker to my gamebuino just for funzies, and in doing so, I accidentally shorted the 3V and Ground, but it restarted and it worked just fine. Now, my speakers are a lot deeper sounding and have a metallic rattle. Did I accidentally blow them out? Also, can rodot or someone provide me with a link to buy a new one if it IS damaged?
Last edited by
Sushi on Wed Nov 19, 2014 11:28 pm, edited 2 times in total.
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Sushi
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by Skyrunner65 » Sun Nov 09, 2014 1:02 am
Are we talking Demon-like levels of deepness or what?
Also, the link is the "SHOP" button in the header of the page.
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by Sushi » Sun Nov 09, 2014 12:38 pm
Yeah, REALLY deep. They sound like a batman with a cough. Also, no speakers on the shop page
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by rodot » Sun Nov 09, 2014 1:40 pm
I had that issue of a speaker having a metallic rattle, I changed it and the problem was gone. You can find some cheap speakers on ebay, use the keywords "
oval speaker 1w". Just check that it fits the available space (about 20*12mm max).
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by Sushi » Sun Nov 09, 2014 3:04 pm
Thanks!
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by Myndale » Sun Nov 09, 2014 7:53 pm
Thanks for the tip Rodot. I think I blew the speaker in my first Gamebuino in a similar manner....hooked up an external programmer and 1) didn't disconnect the ICSP power pin and 2) forgot to switch it from 5V to 3.3V
I checked the schematics and as far as I can tell the speaker is the one component that isn't protected from over-voltage.
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by rodot » Mon Nov 10, 2014 7:12 pm
Yep the speaker is directly connected to the battery to output the maximum volume... so you can burn them if you're not careful
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by Sushi » Wed Nov 19, 2014 11:29 pm
Funny thing... As I wait for the new speakers to come in, my broken one seems to be 'healing'. Sound is getting better, but quieter. Very, very interesting...
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by Montiey » Sun Feb 08, 2015 5:07 pm
Thats odd. Maybe, just maybe the magnet got over-magnetized with the short, but now playing sounds through it are "re-magnetizing" it, back to normal..
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