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Old 21st July 2004, 01:53 PM   #31
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Location: Germany, Clausthal
1)

you can use a second microcontroller for a source selector of up to 8 sources :

http://home.tu-clausthal.de/~tpa/selector/index.html


or build any kind of source selector you want in front of my volume control. There is no need to use it as 2 sorces input selector.

2) i use some hysteresis in my firmware, but this did not fully eliminate all noise, 2 position changes still showed some click.

there are 2 different modes the relays are switched implemented in the code, the user can choose which he likes better: http://home.tu-clausthal.de/~tpa/relais/software.html read description under "first start"
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Old 21st July 2004, 03:24 PM   #32
zinsula is offline zinsula  Switzerland
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Till, thank you for your help. I will dive more into your homepage and the circuits, all is very interesting and seems pretty straightforward to me (since i'm still a beginner in electronics and diy audio, everything which I can figure out how it works, is straightforward...)

Tino
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