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Old 07-08-2009, 05:57 AM   #1941 (permalink)
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Has anyone done a PCB layout for the power section yet? I would be willing to create the layout if it hasn't been done yet. I use Altium Designer 6 so I can output in a number of different formats if required.

If we do a bulk buy of these PCB's we should be able to get them made for under $10 a board.

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Old 07-08-2009, 08:06 PM   #1942 (permalink)
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No one has done that that I know of. It was changed into GCode for etching it on Adam's CNC mill. Does that count? Altium costs $10,000. When you are done with it, can I have it?
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Old 07-08-2009, 11:47 PM   #1943 (permalink)
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Attached is my latest parts list Mouser in AU$ and DigiKey in both US$ and AU$.
The caps on the power board are 470 on page 180 Paul talks of using 820 uf could anyone give me a part No for this.
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File Type: zip Cougar Controller Parts List Aus 2C.zip (6.3 KB, 92 views)
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Old 07-09-2009, 01:02 AM   #1944 (permalink)
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Hello Blown Curtis! I used 24 of the 470uF caps on the first prototype, and now there's a different power section that fits well with 16 of the 820uF caps:

Digi-Key - P11622-ND (Panasonic - ECG - EET-ED2D821CA)

I finally updated the wiki a couple days ago to account for the new capacitors. On the 3 versions that are going out to Ben, Joe, and Adrian, I used 3 polypropylene caps to help snub any spikes in the power section that may occur. This allows it to run safer at higher voltages.

Digi-Key - PF2475-ND (Panasonic - ECG - ECW-F2475JB)

That needs to be added to the wiki too. I'll try it, but I don't know what I'm doing. EDIT: try??? nay! I did it! ya!

I need to write up a full assembly. A few things are sort of tricky (at least how I do it), and there are some subtle detals to know that will dramatically simplify the assembly.
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Old 07-09-2009, 03:39 AM   #1945 (permalink)
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Quote:
Originally Posted by MPaulHolmes View Post
No one has done that that I know of. It was changed into GCode for etching it on Adam's CNC mill. Does that count? Altium costs $10,000. When you are done with it, can I have it?
I don't know of any way to convert from .ngc to a pcb format. I have a viewer for .ngc files if you could point me to the file. I can't see it on the Wiki site.

The other option is to scan a blank completed PCB. I can then recreate it if the overall dimensions of the board are specified along with hole sizes.

I will leave you a copy of Altium in my will.
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Old 07-09-2009, 03:47 AM   #1946 (permalink)
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Thanks Paul
I try not to trouble you as I think you have a lot to think about and you realy should spend more time with Sabrina and the bub, having said that I realy appreciate being able to get the information off the Wiki. I could not work out how to post to the Wiki so if anyone would like to take my parts list and Post it that may be of help to others.
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Old 07-09-2009, 07:49 AM   #1947 (permalink)
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This is the updated parts list with new power board (16 820uf caps)
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File Type: zip Cougar Controller Parts List Aus 2C.zip (6.6 KB, 72 views)
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Old 07-09-2009, 10:55 AM   #1948 (permalink)
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So what is the current cost per controller kit?

Is there a waiting list for beta testing other than these three controllers?
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Old 07-09-2009, 12:52 PM   #1949 (permalink)
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Quote:
Originally Posted by blowncurtice View Post
This is the updated parts list with new power board (16 820uf caps)
I posted your bom to the wiki for the controller portion with the USD and AUD prices for the 2C board.

take a look, and hopefully I didn't make any mistkes....feel free to change it.

I also have the BOM in Excel now.....I could post that too.
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Old 07-09-2009, 01:12 PM   #1950 (permalink)
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Since the controller design seems to be in the midst of a milestone, how about a (brief) synopsis of the features incorporated in the software, up to this point.

Next question would be: What features are at the front of the line for Stage 2?

As we used to say in the day... nice goin'.
John

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