Eiffel Schematics

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anodyne
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Re: Eiffel Schematics

Postby anodyne » Thu Apr 09, 2009 4:30 pm

alanh wrote:I reckon another 2 weeks for testing, then I guess I'll set something up to accept a pre-order phase (without payment) so I can gauge how many interested parties there are.

Then do the production and take things from there.


Great stuff! I'll keep an eye out for the announcement (likely I'll take two).

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Re: Eiffel Schematics

Postby GokMasE » Thu Apr 09, 2009 5:19 pm

alanh wrote:I reckon another 2 weeks for testing, then I guess I'll set something up to accept a pre-order phase (without payment) so I can gauge how many interested parties there are.
Then do the production and take things from there.


Excellent, thanks for the information. I will keep my eye open for further news from you.
I am likely to order a couple of Eiffels, how many might depend on final price tag.

Regards,

/Joakim

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Re: Eiffel Schematics

Postby alanh » Tue Apr 21, 2009 10:54 pm

Just posting an update.

Testing is going well, and the CAN, LCD and LEDs all work. Need to test the Joystick ports and the temperature sensor & fan control within the next few days.

I'll post again towards the end of the week, or early next week.
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Re: Eiffel Schematics

Postby MisterT » Wed Apr 22, 2009 3:38 am

:cheers:

congrats on the progress alanh

i can't wait to see end product

:mrgreen: can we order yet :contract:

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Re: Eiffel Schematics

Postby alanh » Fri Apr 24, 2009 12:14 pm

A question on this for folks interested in buying.

I've currently got pin headers for the CAN and Joystick interfaces. Now it seems that a header to DB9 is getting more scarce to buy. I could make them, but it seems as though it could be cheaper to put DB9 shells onto the board and use a serial extension cable to route the joystick ports to your desired location. As serial extension leads on ebay are about £3.

Thoughts ?
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Re: Eiffel Schematics

Postby MisterT » Fri Apr 24, 2009 4:02 pm

alanh wrote:A question on this for folks interested in buying.

I've currently got pin headers for the CAN and Joystick interfaces. Now it seems that a header to DB9 is getting more scarce to buy. I could make them, but it seems as though it could be cheaper to put DB9 shells onto the board and use a serial extension cable to route the joystick ports to your desired location. As serial extension leads on ebay are about £3.

Thoughts ?



Hi Alan, :megaphone:

Maybe other people feel a little different about it,
but i like mostly that designers use standard box headers..
Like for the DB9 connector use a 10 Pin Box Header
(so i can make a 10 pin flatcable for the mouse and use a DB9 or a DB15 for it)
and on that matter it looks more universal...

most pc boards also use the standard box headers a.e 10 / 16 / 34 /40 etc etc.
http://www.display.nl/Connectoren/Conne ... MA00S.html

Greetz Mister T :cheers:

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Re: Eiffel Schematics

Postby anodyne » Fri Apr 24, 2009 5:31 pm

Hi Alan,
I like box headers too, but I can live with either. Did a quick search on eBay, and found a DB9-to-2x5 header as item #150207155914, but there are lots more db9 extension cables! If you go the DB9 shell route, make sure there's enough space for any cable 'ears' there might be ...

Thanks again for all your efforts on this,
Roger

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Re: Eiffel Schematics

Postby alanh » Fri Apr 24, 2009 6:30 pm

Hi Roger, thanks for the ebay link. He's got 142. Nice.

After this I'm sure it's still possible to get hold of them, so I'll stick with the headers.
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Re: Eiffel Schematics

Postby alanh » Mon Apr 27, 2009 2:13 pm

Attached is a piccy for the final board layout. Comments appreciated which I'll try to accomodate.

So, we have an RJ11 connector for the Atari connection. I did this as it aids easy connection for external units as we can use an RJ11 to RJ11 cable. Additionally an RJ11 to RJ11 cable can be cut and made into two cables for internal connection with the keyboard connector fitted to the cut end.

We have 2row 5way headers for the CAN, Joystick 0, Joystick 1 and LCD connections. So ordering quantites of those keeps costs down. Then for the 5V fan and thermistor are attached to the board through a 1row 2way header (just like a jumper), so longer leads can be easily attached or detached.

NOTE: The fan on the schematics from Didier show a 12V Fan that you'd have to get the 12V from the PSU. Whereas I've seen many 5V fans only draw 0.2A which should be fine from the keyboard port. Still yet to test. But even so, if you still wanted a 12V fan, then only one of the pins need be used and you could still drive a 12V fan, as the other pin is 5V.

The JP3/SW2 and JP2/SW1 jumpers are to select CAN/Coldfire and Atari operation.

The termperture sensor works, and so I've just got to test the joystick ports & fan next, so after initial costings I think we're even under the £30 per board mark.

Comments, questions.
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Re: Eiffel Schematics

Postby wongck » Mon Apr 27, 2009 2:39 pm

RJ11 to the Atari?
Are you going to mount this inside the casing or leave it out in box?
Why not make it mountable on the backplane of the PC slot - this will be good for ppl who wants to place the Atari into a PC case?
Just like Didier.
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Re: Eiffel Schematics

Postby alanh » Mon Apr 27, 2009 2:59 pm

Rj11 is just the connector on the board, the other end is fitted with the internal keyboard connector for internal use.

For mounting on a backplate you have mounting holes and the PS2 connectors should show out the rear of the slot. The RJ11 connector is still inside a tower.
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Re: Eiffel Schematics

Postby wongck » Mon Apr 27, 2009 3:09 pm

For me, I just need the Kbd & mouse connector.
No need for others stuff like joystick/LCD etc.
It is the kbd & mouse that is dying of old age (not to mention the floppy.... )
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Re: Eiffel Schematics

Postby alanh » Mon Apr 27, 2009 3:17 pm

Sure, I understand that a few people won't need the LCD, joystick and possibly other things too.

After costings and looking what additional components are required I decided to add everything as the rest of the components are pretty negligible after the initial costs for the basic keyboard & mouse support.
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Re: Eiffel Schematics

Postby MisterT » Mon Apr 27, 2009 4:25 pm

Nice job Alanh,

Looking very good :mrgreen:

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Re: Eiffel Schematics

Postby tinf030 » Tue Apr 28, 2009 12:25 am

Very good Alan. I'm for the RJ11.


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Re: Eiffel Schematics

Postby anodyne » Tue Apr 28, 2009 12:32 am

Nice job, I'll be getting at least two I'm pretty sure.

Roger

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Re: Eiffel Schematics

Postby alanh » Tue Apr 28, 2009 9:57 pm

O.k. fan control works.

Now I'm left with the joystick ports to test, and then I realized, how can I test them....

I have an old Quickshot & Konix navigator but no games and currently a mono screen.

Does anyone know of a test in GEM for the joysticks ??
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Re: Eiffel Schematics

Postby Desty » Tue Apr 28, 2009 10:49 pm

alanh wrote:O.k. fan control works.

Now I'm left with the joystick ports to test, and then I realized, how can I test them....

I have an old Quickshot & Konix navigator but no games and currently a mono screen.

Does anyone know of a test in GEM for the joysticks ??

I think Ppera did a nice little one recently?
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Re: Eiffel Schematics

Postby anodyne » Tue Apr 28, 2009 11:11 pm

alanh wrote:O.k. fan control works.

Now I'm left with the joystick ports to test, and then I realized, how can I test them....

I have an old Quickshot & Konix navigator but no games and currently a mono screen.

Does anyone know of a test in GEM for the joysticks ??


I found a program called DCMSTICK on the umich archive which allows you to use joystick 0 or 1 as a mouse. That will probably do what you want. This is the file:
http://www.umich.edu/~archive/atari/Uti ... mstick.lzh

If you can't get it for some reason, let me know & I'll email it to you ...

Roger

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Re: Eiffel Schematics

Postby alanh » Wed Apr 29, 2009 12:23 am

Cool. Thanks for that Roger. Perfect tool for the job.

All tested and working fine.
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Re: Eiffel Schematics

Postby alanh » Wed Apr 29, 2009 12:38 am

Onto the pre-ordering.....

I've done some basic costings on getting 50 boards produced. I've spent a bit of cash on getting the prototypes done and the components for them.

So, here's my thoughts......

The options are:-

1. Internal/External - so I get you the right cable. i.e. RJ11 to RJ11 for external, or RJ11 to internal keyboard header.
2. LCD or no LCD - more cost for the LCD & additional cable.
3. CAN interface - requires CAN chip and additional serial cable header.

For external units I won't be providing boxes, so that's up to folk to house them themselves.

But all units will include:-

1. red/green leds for the keyboard/mouse.
2. thermistor for temperature sensor connected via a jumper lead. You can cut the thermistor off and have a longer cable if desired and reattach to a new jumper plug.
3. two serial cables for the joystick ports.
4. jumper header for 5V fan attachment but no fan provided.

How does this sound ? I'm open to suggestions.

PM me for pre-ordering with your email address and quantity of what you need. I'll leave it for a week or two and we'll see where we are.

Thanks all for your feedback.
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Re: Eiffel Schematics

Postby alanh » Thu May 07, 2009 11:59 am

For those interested in the Eiffel I've posted a new pre-order link in the news & annoucements section.

Here viewtopic.php?f=28&t=16493

I'll post the latest information there from now on.

thanks.
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Re: Eiffel Schematics

Postby alanh » Mon Jun 08, 2009 4:15 pm

Falcon CT60, Falcon CT63 x2, TT x3, MegaST x2, MegaSTE x2, STFM x2, STE x2, STacy, STBook, (Dead) Hades 060, Milan 060, T40.

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Re: Eiffel Schematics

Postby MisterT » Mon Jun 08, 2009 6:23 pm

Thanks Alan

Ordered and payed :D

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Re: Eiffel Schematics

Postby djmitman » Wed Jun 10, 2009 9:14 am

Hi Alan

I have also ordered and paid - its for a Falcon - hopefully no compatibility problems? :)

cheers


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