Collecting information on alternative displays - please contribute

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Zeek
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Re: Collecting information on alternative displays - please contribute

Post by Zeek » Tue Feb 07, 2017 8:51 pm

johnthenlnja wrote:
DannyJK wrote:
Zeek wrote:Anyone seen this screen before? Does it need to be converted to 5V?
Just got this board the other day and 5V out of the box was a no-go. So, I removed the chip in the corner and changed the 5V entry to the second pin from the lower right of the desoldered chip. Not the easiest to explain so I made an image in Photoshop. Hope it helps, I can confirm this works. This screen is one of the nicer looking screens I have seen. ENJOY!
Can you do this modification without de-soldering the voltage regulator as in other mods?
The regulator comes off rather easy did mine today and the screen works great!

Valadone
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Re: Collecting information on alternative displays - please contribute

Post by Valadone » Wed Feb 08, 2017 5:47 am

Valadone wrote:Hi everyone !

I want to make my own Game Boy Zero ( like you i think :D ) but i'm a little noob in electronic...

So i received this screen : https://www.amazon.fr/gp/product/B00M3O ... UTF8&psc=1

But now i don't know how to transform the 12V DC into 5V.

The PCB : Image

The 2 voltage regulators are : XL1509 -5.0E1 53094(U2 - top right) / 25X20CL 1516(U6 - bottom left)

Someone can help me ?

Thanks a lot :D
My PCB looks like this one exactly : http://www.sudomod.com/forum/viewtopic. ... 2&start=10

I will test it and if it's good for me, you will can put it into the wiki ;)

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BadBert
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Re: Collecting information on alternative displays - please contribute

Post by BadBert » Wed Feb 08, 2017 5:57 am

My first GBZ build -=HERE=- -> Became a gift to my little brother!
My 2nd GBZ build -=WIP HERE=- -> going with HDMI!

Valadone
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Re: Collecting information on alternative displays - please contribute

Post by Valadone » Wed Feb 08, 2017 12:42 pm

BadBert wrote:i think this won't fit?

http://www.aliexpress.com/store/product ... 57641.html
I think it's too big because of the left part of the screen(cables) and the pcb :/

Bendra
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Re: Collecting information on alternative displays - please contribute

Post by Bendra » Thu Feb 09, 2017 12:00 am

Zeek wrote:Anyone seen this screen before? Does it need to be converted to 5V?
I have this one and it works with 5V out of the box.

BuToNz
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Re: Collecting information on alternative displays - please contribute

Post by BuToNz » Thu Feb 09, 2017 5:21 am

So I ordered one of these:
https://www.aliexpress.com/item/Newest- ... 98031.html

Turned up a couple of days back. Nice quality and fits well into the case with a little trimming of the PCB. I also removed the touch screen.

Much better than the BW screen, default text is readable and no fuzzy/blurriness. Aspect ratio is obviously a little less ideal but I'll compensate with a thicker bezel at the bottom of the LCD cut out.

DannyJK
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Re: Collecting information on alternative displays - please contribute

Post by DannyJK » Thu Feb 09, 2017 11:40 pm

johnthenlnja wrote:
DannyJK wrote:
Zeek wrote:Anyone seen this screen before? Does it need to be converted to 5V?
Just got this board the other day and 5V out of the box was a no-go. So, I removed the chip in the corner and changed the 5V entry to the second pin from the lower right of the desoldered chip. Not the easiest to explain so I made an image in Photoshop. Hope it helps, I can confirm this works. This screen is one of the nicer looking screens I have seen. ENJOY!
Can you do this modification without de-soldering the voltage regulator as in other mods?
You ask specifically about "de-soldering" the regulator, so I can let you know exactly what I did. I used these to cut each pin flush to the chip:

https://www.amazon.ca/gp/product/B0002B ... UTF8&psc=1

The work absolutely amazing and can't recommend these enough. It's made short work of a lot of things that used to require breaking out the soldering gun. :D

I give this suggestion to you as it is extremely easy to do AND because I don't know if the mod will work by leaving the regulator in place as I haven't done it personally. I can only give you my own experience.

I hope I have helped. :)

Medochre
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Re: Collecting information on alternative displays - please contribute

Post by Medochre » Fri Feb 10, 2017 10:15 am

Hey guys, just ordered myself a BW screen and didn't notice this particular board on the wiki. (Sorry if it's been posted before!)

Ordered this screen from:
https://www.amazon.co.uk/gp/product/B00 ... UTF8&psc=1 seller BW CORP - UK VAT.

Here's the board, it's slightly different and I've had success running it straight off 5V, though there's a small amount of distortion so may need to be modified still for better picture quality. I'll see what I can do with it.

Image

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VeteranGamer
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Re: Collecting information on alternative displays - please contribute

Post by VeteranGamer » Sat Feb 11, 2017 7:42 am

Medochre wrote:Hey guys, just ordered myself a BW screen and didn't notice this particular board on the wiki. (Sorry if it's been posted before!)

Ordered this screen from:
https://www.amazon.co.uk/gp/product/B00 ... UTF8&psc=1 seller BW CORP - UK VAT.

Here's the board, it's slightly different and I've had success running it straight off 5V, though there's a small amount of distortion so may need to be modified still for better picture quality. I'll see what I can do with it.

Image
This screen isn't that bad especially for the cost, I've got the same and if you do the 5v mod and use a better gauge wire than is already used it's completely useable...

The menues will look a little fuzzy, I'd suggest to go for the custom theme (saves changing fonts sizes) and the gameplay is fine considering the systems your emulating

This screen has the benefit of the smaller board and more importantly the thinner connection cable from the board to the screen (allowing slightly better mounting)

These other screens look good in theory but will compromise the build... Not allowing much room once installed and more importantly the issue of the placement of the screws (which might result in a bulging cases and it not closing properly)...
Plus most ppl are using PI0 and it really can't run anything better than 16bit systems...

But that might thoughts on it... Others may disagree

stf
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Re: Collecting information on alternative displays - please contribute

Post by stf » Sat Feb 11, 2017 7:00 pm

Popcorn wrote:Add this one to the list, @Fleder.

http://www.amazon.com/BW-3-5-Inch-Monit ... ailpages00
I'm having an issue with this screen: http://www.sudomod.com/forum/viewtopic. ... 035#p25035 - some flickering appears when inside a console submenu. Have you experienced any issue inside emulationstation?

Also, what's you config.txt look like? Im guessing this might be a memory issue in emulationstation, causing the screen to switch off when in some of the submenus.

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