Found this LCD. Would it work for a project like the zero?

Raspberry Pi hardware discussion (including peripherals)
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Durtturbine
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Found this LCD. Would it work for a project like the zero?

Post by Durtturbine » Mon Mar 27, 2017 9:18 pm

I was doing some research on a 3d printed zero type project and stumbled upon this higher resolution screen.

https://www.crystalfontz.com/product/cf ... datasheets

Do you guys and gals think it would work for something like this? Like could I make it connect to each other?

http://www.thingiverse.com/thing:1779343

Thanks for your help!

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moosepr
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Re: Found this LCD. Would it work for a project like the zero?

Post by moosepr » Mon Mar 27, 2017 11:51 pm

Technically yes, but don't go and buy one, it won't be a smooth road!

First off you will need some kind of board to allow you to connect to the screen. It has a 50 pin fpc connector which you will have no chance soldering to.

Then you would need to figure out how to talk to the screen. The easiest way would be to use spi, this would need about 9 of the pins within the fpc connector hooked up to the pi gpio. The downside with spi is that at the resolution of that screen, it starts to get slow and crappy.

There is another way, you can wire it up to 90%of the gpio on the pi and run to in a mode called DPI (PARALLEL DISPLAY INTERFACE) which will give you a great result, but is far from simple! https://www.raspberrypi.org/documentati ... /README.md

There is a final option, but it may not help. If you trawl though the internet for a driver board for the screen. It will need to match the driver chip within the screen (Himax HX8357-B) can do the same resolution as the screen, and has the right connector for the 50-pin FPC cable. You may find lots, but getting one that will fit where you want it will be the challenge
Get a small cheep LCD in your project https://www.sudomod.com/forum/viewtopic.php?f=22&t=2312
Wrap it all round a battery https://www.sudomod.com/forum/viewtopic.php?f=13&t=2292
Or use a custom PCB to make it really small https://www.sudomod.com/forum/viewtopic.php?f=13&t=2512
or make it really really really really tiny!! https://www.sudomod.com/forum/viewtopic.php?f=13&t=2919

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Re: Found this LCD. Would it work for a project like the zero?

Post by Durtturbine » Fri Mar 31, 2017 1:41 pm

Thanks for the in depth response! Wasn't expecting it to be that difficult to connect XD.

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