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| General Electronics Chat This forum is for general chat about electronics, eg: Dont know what a part does? Dont know how to read a circuit? Want to get an opinion? |
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10th August 2008, 01:44 PM
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 variable resistance controll how can i controll the volume sound by digital resistance like buttom instead mechanical variable resistance | |
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10th August 2008, 01:50 PM
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You could use this device: http://datasheets.maxim-ic.com/en/ds/DS3904-DS3905.pdf
__________________ Eric "Good enough is Perfect" PIC tutorials: Gramo's: www.digital-diy.net/ Bill's: www.blueroomelectronics.com/ | ||
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10th August 2008, 02:42 PM
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| i need to know the idea then use this tool | |
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10th August 2008, 03:25 PM
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I dont understand, are you asking how to use the ic to control the sound volume.?
__________________ Eric "Good enough is Perfect" PIC tutorials: Gramo's: www.digital-diy.net/ Bill's: www.blueroomelectronics.com/ | ||
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10th August 2008, 03:45 PM
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| i want to know the concdpt of making this technic and use this tool with sound thanks | |
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10th August 2008, 06:27 PM
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| Don't use a digital linear resistor IC to control audio volume, use a digital audio-taper (logarithmic steps) volume control IC instead.
__________________ Uncle $crooge | |
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23rd August 2008, 01:11 AM
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23rd August 2008, 01:14 AM
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http://en.wikipedia.org/wiki/Potentiometer | ||
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23rd August 2008, 01:56 AM
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| thanks about this link Last edited by fedail; 23rd August 2008 at 02:02 AM. | |
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