Trump Card 768K - no cover/heatsink

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Pr0f
Trump Card
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Joined: Thu Oct 12, 2017 9:54 am

Trump Card 768K - no cover/heatsink

Postby Pr0f » Mon Nov 06, 2017 4:07 pm

Cover was removed as the Trump card was going to be the I/O and memory for a z180 project. Sadly I can't find the cover plate, but the unit was working with my QL prior to being stored.

The ROM version is 1.37

Selling for £40 plus postage as missing the cover - you will need to do something with this before powering up, as the regulator uses the cover plate as a heatsink, but it should fire straight up.
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IMG_20171106_153958.jpg


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Pr0f
Trump Card
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Re: Trump Card 768K - no cover/heatsink

Postby Pr0f » Mon Feb 19, 2018 5:18 pm

Tested running...
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IMG_20180219_001915.jpg
IMG_20180219_001932.jpg


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Dave
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Re: Trump Card 768K - no cover/heatsink

Postby Dave » Mon Feb 19, 2018 11:54 pm

I'll take it. Can you PM me a shipping quote to Texas, 78664? Slow method is fine. Or send me a paypal invoice to my personal email?


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Pr0f
Trump Card
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Re: Trump Card 768K - no cover/heatsink

Postby Pr0f » Tue Feb 20, 2018 12:11 am

Dave wrote:I'll take it. Can you PM me a shipping quote to Texas, 78664? Slow method is fine. Or send me a paypal invoice to my personal email?


You have PM.


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JanR
ROM Dongle
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Re: Trump Card 768K - no cover/heatsink

Postby JanR » Sat Mar 17, 2018 4:16 pm

Sold?


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Pr0f
Trump Card
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Re: Trump Card 768K - no cover/heatsink

Postby Pr0f » Sat Mar 17, 2018 4:55 pm

I believe Dave is taking this, so yes it's no longer available, sorry.


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Dave
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Re: Trump Card 768K - no cover/heatsink

Postby Dave » Sun Mar 18, 2018 3:31 am

Never got a pm. Just need a total.


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Dave
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Re: Trump Card 768K - no cover/heatsink

Postby Dave » Sun Mar 18, 2018 3:32 am

Oops. Did get it. :)


Derek_Stewart
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Re: Trump Card 768K - no cover/heatsink

Postby Derek_Stewart » Sun Mar 18, 2018 9:18 am

Hi,

On the list of things to do, is produce a CAD drawing of a Trump Card Cover, from the original cover I have.

I would then produce a 3D Printed version and replace the 7805 power regulator with a DC-DC converter, giving no heat.


Regards,

Derek
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Dave
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Re: Trump Card 768K - no cover/heatsink

Postby Dave » Sun Mar 18, 2018 2:56 pm

I made a mold to make covers out of carbon fiber, which has better EMI properties. I make buck regulators. :D



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