My own Version of Mark Kelly's Speed Controller - Page 6

john2 · 9th October 2011, 04:51 PM

One for me if posible -Please

chefjeffrey50 · 13th October 2011, 02:47 AM

I am interested in one please.

Algar_emi · 14th October 2011, 10:28 PM

Only two PCB left. Send me an email if interested... Thanks.

julienlebas · 8th May 2012, 10:56 PM

Hi,
Thank you Algar and Mark for all of the work,
I am looking for a DC controller and Mark circuit seems great. As far as I can say since building a turntable is new to me.
Here is my question: is there any documentation that goes with the circuit that would help me build it?
Thank you very much for your help

Mark Kelly · 08:00 AM

Algar has some documentation for his build somewhere.

This is all based on a design of mine which is now over six years old. I published it in Bas Horneman's now defunct online DIY mag, the 2006 issue 1 (PDF link) . Towards the end of the issue there's a long and occasionally erroneous article from me with many motor drive designs in it, all of which have subsequently been greatly improved. The DC drive is towards the end. The information in there will help you understand what the circuit is doing, which will help with troubleshooting.

julienlebas · 9th May 2012, 11:01 AM

Thank you Mark. I did get hold of the magazine. This is how I found your name actually. Since it is an older project, would you have a more recent version for sale?
Also, would you have any recommendation to get a pulley for 1/2" tape belt?
Thank you very much for your time,
Julien

Mark Kelly · 9th May 2012, 12:11 PM

My health problems last year put everything on hold for a long time.

I'm still catching up and won't have anything to offer for a while yet. I won't be offering anything for DIY for the foreseeable future.

9th May 2012, 07:53 AM	#55
Mark Kelly diyAudio Member Join Date: Feb 2006 Location: Geelong	Algar has some documentation for his build somewhere. This is all based on a design of mine which is now over six years old. I published it in Bas Horneman's now defunct online DIY mag, the 2006 issue 1 (PDF link) . Towards the end of the issue there's a long and occasionally erroneous article from me with many motor drive designs in it, all of which have subsequently been greatly improved. The DC drive is towards the end. The information in there will help you understand what the circuit is doing, which will help with troubleshooting. Last edited by Mark Kelly; 9th May 2012 at 08:00 AM.

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9th October 2011, 04:51 PM	#51
john2 diyAudio Member Join Date: Aug 2004 Location: lanc	One for me if posible -Please

13th October 2011, 02:47 AM	#52
chefjeffrey50 diyAudio Member Join Date: Sep 2008	I am interested in one please.

14th October 2011, 10:28 PM	#53
Algar_emi diyAudio Member Join Date: Oct 2002 Location: Canada, Qc	Only two PCB left. Send me an email if interested... Thanks.

8th May 2012, 10:56 PM	#54
julienlebas diyAudio Member Join Date: May 2012 Location: Munich	Hi, Thank you Algar and Mark for all of the work, I am looking for a DC controller and Mark circuit seems great. As far as I can say since building a turntable is new to me. Here is my question: is there any documentation that goes with the circuit that would help me build it? Thank you very much for your help

9th May 2012, 11:01 AM	#56
julienlebas diyAudio Member Join Date: May 2012 Location: Munich	Thank you Mark. I did get hold of the magazine. This is how I found your name actually. Since it is an older project, would you have a more recent version for sale? Also, would you have any recommendation to get a pulley for 1/2" tape belt? Thank you very much for your time, Julien

9th May 2012, 12:11 PM	#57
Mark Kelly diyAudio Member Join Date: Feb 2006 Location: Geelong	My health problems last year put everything on hold for a long time. I'm still catching up and won't have anything to offer for a while yet. I won't be offering anything for DIY for the foreseeable future.

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