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Old 27th December 2012, 07:49 PM   #791
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ok,

the code is untested but think it work fine
else let me know and i fix it
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Old 17th January 2013, 07:25 AM   #792
tvicol is offline tvicol  Romania
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Latest Vicol-Audio firmware version 3.5 available at
vicol audio : r-2r volume controller

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Tibi
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Old 18th January 2013, 07:42 PM   #793
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I'm using the TDA7439 and I would like to ask, the analog ground must be connected with the digital ground?
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Old 19th January 2013, 06:01 AM   #794
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Quote:
Originally Posted by alexisk10 View Post
I'm using the TDA7439 and I would like to ask, the analog ground must be connected with the digital ground?
Yes.
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Old 19th January 2013, 10:39 AM   #795
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Thank you danzup for the confirmation. Maybe the problem is in the program of the microcontroller.
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Old 22nd January 2013, 01:39 PM   #796
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Problem fixed. thanks Farmtech
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Old 31st January 2013, 05:35 PM   #797
krojo is offline krojo  Poland
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Hi, Finally i'm build this but I have problem with backlight it's only 1sec when I turn on controler. In the file is schematic and board in pdf and eagle files. If you can tell me what is wrong? I have no idea. Maybe error is in the program?
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File Type: zip pga eagle.zip (134.3 KB, 65 views)
File Type: zip pga pdf.zip (852.4 KB, 97 views)
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Old 31st January 2013, 06:13 PM   #798
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first of all we need to know what software you have used ?

did you program fusebits 8 Mhz ?
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Last edited by FarmTech; 31st January 2013 at 06:22 PM.
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Old 31st January 2013, 06:56 PM   #799
krojo is offline krojo  Poland
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I'm used this program Yet another Volume controlers and source selections hfuse D9, lfuse E4 and internal oscilator 8Mhz.
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Old 31st January 2013, 07:13 PM   #800
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Quote:
Originally Posted by krojo View Post
I'm used this program Yet another Volume controlers and source selections hfuse D9, lfuse E4 and internal oscilator 8Mhz.
Ahhh ,
the 2 encoder version

I found 2 erros in code there was porttb.6 but backlight is on Portd.7

new test file

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Last edited by FarmTech; 31st January 2013 at 07:18 PM.
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