Who is interested in a groupbuy of Mark Kelly's DC controller PCB and related parts - Page 68 - diyAudio
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Old 30th January 2009, 10:04 PM   #671
deune is offline deune  Germany
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Default problem with maxon motor and controller

Hello altogether,

Ive a problem with my new maxon motor and the dc - speed controller - the system oscillate!

My turntable plate wights round about 15 kg or 33 pounds and I can handel a stable speed to the limit of 25 round per minutes. By faster settings the voltage rise up from 7,8 Volt to 8,4 for a secound and breaks then down to 1,5 Volt after that the voltage rise up to 8,4 Volt and so on.

So the hole system oscillate between 2 and 35 turns per minute.

Have anyone an idea what I have to do ?

Hoping to receive a favorable answer

Holger
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Old 2nd November 2010, 10:59 AM   #672
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Here is the link for the document for the controller. The previous site I had it posted on is gone.

http://basaudio.net/datasheets/TT%20..._Ver%201.6.pdf
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Old 15th June 2012, 03:54 AM   #673
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Talking groupbuy of Mark Kelly's DC controller PCB and related parts

Anyone intested in another groupbuy of Mark Kelly's DC controller PCB and related parts.
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Old 15th June 2012, 07:06 PM   #674
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I'm in!
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Old 16th June 2012, 06:51 AM   #675
tome is offline tome  Macedonia
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I'm in too
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Old 16th June 2012, 06:57 AM   #676
Gricko is offline Gricko  Croatia
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Count me in!
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Old 17th June 2012, 08:31 PM   #677
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Default Group buy

Interested, but would like more details as they become available ...
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Old 19th June 2012, 03:25 AM   #678
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Has Mark given permission, I do not believe it is public domain. I have mine built up but never tested it yet. I am surprised something new has not come up since the original as evan Mark said he has gone another direction.

Bill

Last edited by wirewiggler; 19th June 2012 at 03:27 AM.
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Old 28th June 2012, 02:04 AM   #679
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Default Permission from Mark

Yes Mark has given permission for anyone to use as they like. He advised that he is working on a new controller that he will try to patent.
Unfortunately I am not in a position at the present to organize a group buy. Is there a volunteer, I am happy to take two and I think we will need at least 10 orders.
Cheers
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Old 28th June 2012, 02:17 AM   #680
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Default Permission from Mark

Yes Mark has given permission for anyone to use as they like. He advised that he is working on a new controller that he will try to patent.
Unfortunately I am not in a position at the present to organize a group buy. Is there a volunteer, I am happy to take two and I think we will need at least 10 orders.
Cheers
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