Gearbest Screen - How to get it working?

[Deen]

Hello there,

guess I'll post this question here, since I saw other threads with a similar question.

I got my Screen from GearBest.

The attachment IMG_2882.JPG is no longer available

Sadly, I doesn't know if it runs off 5V without modding or not. So I went to the Wiki and searched for the board, found a "Gearbest-Section" but the boards are looking slightly different. I tried modding it myself, but no luck so far.

Maybe anyone knows what I should do to make this baby running?

Here's it running with a lovely blank screen.

Running

IMG_2881.JPG (2.22 MiB) Viewed 9081 times

Thanks alot!

[silentjames]

Looks like @rodocop used the same screen without any modifications
http://www.sudomod.com/forum/viewtopic. ... 781#p31781
I also ordered this one and can't wait to test it, even if comments on gearbest page say that it works with 12v only

[Deen]

The same thing I found out... but I just can't get it running and I don't know why..

Tried it with and without modification, blank screen.
Tested my Pi0 with HDMI, works well.

[Deen]

Double post, woop woop~

Guess I'll be giving up, trying to make this screen run. Anyone has a screen which runs on 5V out of the box?

[rodocop]

Looks like @rodocop used the same screen without any modifications
http://www.sudomod.com/forum/viewtopic. ... 781#p31781
I also ordered this one and can't wait to test it, even if comments on gearbest page say that it works with 12v only

Yeah, my first gearbest screen was the old style, which needed a 5V mod (seen in the wiki page). The second one I bought had this slightly different control board. When i received it, I tested with 5V before 12V and everything worked fine, no mod necessary. I was surprised, since I just assumed I would need to mod it like the first one.

[rodocop]

Also, @Deen, wire the yellow wire to the tv pin on the pi. Not the white wire. The yellow wire is AV1 and the white is AV2, to my knowledge there is no way to switch between 1 and 2 on this screen, and it defaults to AV1 I think. If that doesn't work....not sure.

Check this thread too, @fraggle posted an image of a 5V mod for the screen too...Maybe try that if switching to the yellow wire does not work.

http://www.sudomod.com/forum/viewtopic.php?f=8&t=2692

[Deen]

Thanks @rodocop for helping so far, but I got no luck so far..

I think I just fried the damn driver board as I first accidentaly used the 3rd pin of the chip, instead of the second, connecting it to the red wire..

Just soldered the yellow one to the TV (I had it soldered like wermy in his tutorial) and tried it without 5V mod, no luck. With 5V, no luck.
Tried my Pi Zero with HDMI, working and booting up...

It's a little frustrating, cause everything else is already here ready to get the party started... and I'm frustrated that I missed kites AIO preorder by a day..

Well, I just ordered a BWT03 Screen from Amazon and hope I will be more lucky with that one. I don't think that I can buy a driver board separately for my other monitor, tho I will ask the seller, as chinese people are always nice!

[dryja123]

Disconnect the white cable. You should only have just the yellow or just the white connected, not both.

The yellow is AV1 and the white is AV2. Your Pi has no idea which one to use with both connected, hence the black screen.

Give it a shot.

[Deen]

@dryja123
Thanks for the advice, I'll try and reply later!

[Deen]

Sorry for the double post
Thanks for the help @all.

It was the white wire, which were connected aswell. Seems to work that far, just curious if the blurryness is "normal".

Guess we should add this screen to the wiki