Collecting information on alternative displays - please contribute

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SergioPoverony
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Re: Collecting information on alternative displays - please contribute

Post by SergioPoverony » Sun Nov 03, 2019 1:58 am

China monitor selling in Russia - Digma name, i think more this.
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ryjelsum
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Re: Collecting information on alternative displays - please contribute

Post by ryjelsum » Sun May 09, 2021 12:52 pm

I have found what seems to be a quite decent price for a 3.5" screen on eBay that is quite suitable for GBZ projects.

Tianma TM035KDH03 with a driver board and cable, from this seller.

Here is what a couple of people have to say about 5V modding and generally using it:

Image

Image

I will provide updates when it gets here and I am able to test it out. The seller accepted an offer for 8 dollars, they also have a few 10x lots for 40 dollars.

Kevinli
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Re: Collecting information on alternative displays - please contribute

Post by Kevinli » Tue Jun 01, 2021 12:50 am

I bought the screen on Amazon and the brand of the screen is STONE.
The seller is Stone Technology.

Viewing Area: 112.9 mm × 84.7 mm
Overall Dimension: 143.5mm×107.4mm×15.8mm(N)/17.4mm(T)

Here are the photos

Image
Image

As seen in the photo, J25 shorted can only use a 5v power supply, if not shorted can use a 5-35v power supply.

This is a simple project I made using the screen: https://www.instructables.com/How-to-Us ... d-STONE-S/

rahulp411
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Re: Collecting information on alternative displays - please contribute

Post by rahulp411 » Thu Jun 10, 2021 12:04 pm

Came accross this http://www.gigaparts.com/3-5-LCD-Displary-Pi.html seems they have the screen in stock. Postage costs for me are way too high even more than the screen so going to give it a miss.
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ryjelsum
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Re: Collecting information on alternative displays - please contribute

Post by ryjelsum » Sat Jul 17, 2021 5:33 pm

ryjelsum wrote:
Sun May 09, 2021 12:52 pm
I have found what seems to be a quite decent price for a 3.5" screen on eBay that is quite suitable for GBZ projects.

Tianma TM035KDH03 with a driver board and cable, from this seller.

Here is what a couple of people have to say about 5V modding and generally using it:

Image

Image

I will provide updates when it gets here and I am able to test it out. The seller accepted an offer for 8 dollars, they also have a few 10x lots for 40 dollars.
Sorry for the late update. I've had things to do and just now got to this..

These quotes from the eBay reviews are accurate. There are two JRC 2360A regulators on the board, the one closest to the outside of the circuit has ~5V coming out of pin 2. I assume this feeds into the rest of the circuitry, so this should be 5V moddable if my one assumption is right. If you screw up the cable and need a new one, a 4 pin JST 1.25mm spacing cable will fit in there as long as you shave down one of the retaining nubs a little bit.

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