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Pyromaniac

7" LCD stand with a Raspberry Pi and touchscreen

by Pyromaniac Oct 13, 2016
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Hello, I really like your design, and I am currently trying to adapt this to a Latte Panda board. The LCD is the same dimension, but the board is not.

The corner brackets will have to be smaller than they are in your build.

I am quite new to CAD, as such not sure where to start to attempt to re-design the brackets. Was hoping you might be able to point me in the right direction. Did you begin with a rectangular solid, and extrude to cut?

I had a question, what did you use to mount the display controller to the back of the LCD?

Everything mounted wonderfully except wondering how to attach that.

Thanks!

Hi Jason,
it was already fixed on the back of the LCD when I bought it.
It seems like the manufacturer used some type of thick double faced adhesive tape for it.

Ok that makes sense, mine didnt come mounted, I'll get some double faced adhesive.

Great design, thank you very much

This is a sensationally minimalistic design. I really love it!

Do you by chance have the photos for this that are not grouped together as 4? I am having a difficult time figuring out the wiring.

Really cool project!!!

Hi Jon,
I've uploaded a new picture which will hopefully clarify the wirings. The LCD/Monitor is of course not the one I've used, but it may be OK just for the understanding. The audio amplifier is also not exactly the same I have, but it has the same ports (input, power and output).
The Audio-Connection is soldered directly to the Headphone-Jack.
If there's still something unclear, just ask.

Thank you Sir,

I am trying to do two amps and two speakers but I don't want Mono sound of course. I am wondering if I could simply use the other part of the jack for a two channel sound option. Do you think that would work?

Hello again :)
I've had to do some measurements with my oscilloscope because I didn't knew it any more, but now I've uploaded a new picture where you can see which parts are ground, left and right (left and right could be swapped, can't tell it for sure at this point)
Should work now in stereo :)

Edit: Yep...swapped L and R, the picture NOW should show the correct connection.

How are you powering the Raspberry Pi?

I am powering the display with +5V and then connected the Raspberry to the display. I've uploaded another picture where you can see how I've connected the display, Raspberry and the Audio-PCB + speaker.

Thanks!, I will assembly mine this weekend!

Thanks.

And direct OK withe RecalBox? if its Recalbox in photo.!!!

Regards.

I've never tested RecalBox, I am using Retropie here. But since the display is connected through HDMI, there is no need for an extra display driver or anything to be changed at all for the Raspberry / Retropie, and probably for Recalbox and anything else like KODI too. For the Raspberry its just a "usual" HDMI-Monitor / TV, therefore you also have the 60Hz refresh rate, which you will not achieve with a GPIO / SPI display.

Regards.

Perfect Thanks.

Hi

Can you precise the Screen model and reference?

Regards.