RaposaDislexa
Posts: 2
Joined: Wed Nov 21, 2018 9:58 pm

Mini 90's PC - Help

Wed Nov 21, 2018 10:14 pm

So, I've found an old radio shaped like an old 90's computer, and I've noticed that the base has a perfect size for a raspberry pi 3b+, it has 90mmx95mmx30mm, and the screen there could fit exactly a 3.5" 4:3 aspect ratio LCD screen. I wanna make it like an "mini pc" with the PI OS to run retropi, dosbox, etc. I've never really touched a PI before, but the real issue is that I just can't find a raspberry pi screen thats 4:3 and has 3.5". I've found one thats 2.8" 4:3 (even it is 640x480) but thats way too small and I kinda wanna fill the whole speaker grill there. And aslo don't want a 3.5" 16:9 because it would make a black border both up down and left right, since most games will be 4:3
Do you guys know any LCD model to adapt to it and how to, or even if there is one made for a PI already in those dimensions?
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aBUGSworstnightmare
Posts: 1226
Joined: Tue Jun 30, 2015 1:35 pm

Re: Mini 90's PC - Help

Thu Nov 22, 2018 6:52 am

Well, you should have mentioned the size which you're looking for in x and y dimensions, not diagonal.

There a lots of 3.5in displays with RGB interface out there which you could connect to DPI interface of your Raspberry. One example is the display used here https://www.adafruit.com/product/913 (https://cdn-shop.adafruit.com/datasheet ... 5QVA01.pdf). You would have to design your own interface board (as the one which comes with the display has PAL/NTSC only. But, you can use it as is with the TV-out of the RPI for even more 'retro' look.

RaposaDislexa
Posts: 2
Joined: Wed Nov 21, 2018 9:58 pm

Re: Mini 90's PC - Help

Thu Nov 22, 2018 5:58 pm

aBUGSworstnightmare wrote:
Thu Nov 22, 2018 6:52 am
Well, you should have mentioned the size which you're looking for in x and y dimensions, not diagonal.

There a lots of 3.5in displays with RGB interface out there which you could connect to DPI interface of your Raspberry. One example is the display used here https://www.adafruit.com/product/913 (https://cdn-shop.adafruit.com/datasheet ... 5QVA01.pdf). You would have to design your own interface board (as the one which comes with the display has PAL/NTSC only. But, you can use it as is with the TV-out of the RPI for even more 'retro' look.
So I can take any LCD screen, like this one, that has a component AV out and plug into the raspberry pi? I didn't knew that the RPI 3b+ had a component AV out on its audio jack, that's really handy, thanks dude! And yes, it's gonna give a nice retro look to it haha.

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