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CV-NUC+ DIY Builders Thread


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12 minutes ago, mytek said:

Looks like your printer did a great job :)


Oh, I do not have a 3D printer

I used a professional service to get it printed.

Not the cheapest (not from China, but close to my hometown here in Germany) put the result is always good quality

 

I will surely post some more pictures, once the resistor arrays arrive 

the AV adapter will show up at some point of time 🙂 

 

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47 minutes ago, mytek said:

If you can't find it, this one works very well for me...

image.png.447faff225a1fabb07531a9d7ea47a20.png

Amazon LINK

 

Yepp, I have ordered exactly this a few days back

but it is coming from China - will take a while

Used to be available at Amazon Germany - but out of stock now

 

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  • 4 weeks later...
On 8/11/2023 at 8:53 AM, LarryL said:

Yepp, I have ordered exactly this a few days back

but it is coming from China - will take a while

Used to be available at Amazon Germany - but out of stock now

 

Any update?

 

Just curious if you ever got one of these cheap HDMI converters and what results you are seeing from your CV-NUC+.

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25 minutes ago, mytek said:

Any update?

 

Just curious if you ever got one of these cheap HDMI converters and what results you are seeing from your CV-NUC+.


yepp, working on it from time to time (but having limiter spare time actually)

will write some details later

just in short:

having tested two Converters: the one you showed on you web page does not show any picture at all - not via CVBS and not via S-Video

another one, having only CVBS shows a picture with strange colours, mostly yellow

I might have a fake LM1889 - need to check in more details

 

regards

Michael

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1 hour ago, LarryL said:

another one, having only CVBS shows a picture with strange colours, mostly yellow

I might have a fake LM1889 - need to check in more details

Sorry to hear that. Hopefully you can get things sorted out and working better soon.

 

Utsource.net is a good source for non-fake chips: LM1889N

 

Other than doing chip swapping, be sure to check for missed solder joints, bridging, and wrong value components.

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27 minutes ago, 5-11under said:

I've used them for relatively obscure parts a few time, with good success so far.

Tomorrow I will receive one from UK - let’s see.

in the meantime I am checking (3rd time) solder joints, shorts, values, etc. 🙂

I will also receive spare VDPs from China during next weeks

 

I will do some screenshots during next days and post them

I will also scope the different clock signals and post the pictures

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2 hours ago, LarryL said:

Success!

 

changed the LM1889 and now I have color 🙂


IMG_1056.thumb.jpeg.729ec16716ebba20518ec561674e7839.jpeg

 

will do some further tests with different screens and adapters

Very nice 👍  So it looks like Utsource.net would be the more reliable place to get these obsolete parts from (although you went to a different source?).

 

Is that direct to a TV or via an HDMI adapter?

 

Edit: BTW, I'm still waiting for someone to do a good video review on one of these guys, since my video skills kinda suck. Be nice for giving someone a better overview of what this project is about, and all that it can do out of the box. If you know of someone that can do that I would be very appreciative, and would love to post it at my website as well.

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It wasn’t utsource, but a seller from UK - eBay name „myretrostore-uk“

 

this is via a AV2HDMI converter, not the one you recommended, but another Chinese model (but without S-Video)

 

will do some more video tests during the week (the other converter, direct connection to TV, etc.)

Will also run all the test Programms you provided, to check if all is good (Joystick and Keyboard are basically working)

 

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