Questions tagged [graphics]

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MOSFET repair 4901 or 4901NF

I'm from Germany and im not so good in English, please forgive me. I have a little bit idea of electronics but I'm not so sure with this problem. I would like to say beforehand that I have a soldering ...
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848 views

How to rotate a square on a TFT ILI9486 screen with Arduino

Problem Summary I have a “square” rotating on my 3.5 Inch TFT screen (ILI9486 driver) with dots/circles at each of its 4 corners. It is connected to an Arduino MEGA 2560 There are a few issues with ...
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63 views

TMDS Chip fails but Direct Connection to FPGA works

We've been attempting to do some graphics over HDMI using an FPGA. I've built a board that has two HDMI connections. One of these links the required video lines directly to the FPGA. The second HDMI ...
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1answer
44 views

Graphic cards/components reliability after crypto minning

In the near future we will be probably flooded with graphic cards they were used for crypto mining. There are many not very well-founded discussions about their reliability. And similarly many un-...
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21 views

Applying voltages to conductors in a passive-matrix LCD

In the picture the horizontal and vertical lines are the conductors and the intersections are the pixel positions I want to turn off the pixels which I've filled So for that I've to apply an electric ...
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80 views

Resistor, Inductor or something else?

I'm trying to identify a component marked simply as "R". There are two of these on a graphics card I am trying to fix that has a power issue. Thanks for any help...
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66 views

What would cause streaking in graphics LCD display?

I am using a 128x64 graphic LCD module that uses either NJU6676 or ST7565P similar to this Zettler module. I am getting vertical streaks as pictured. They appear to be most pronounced when the topmost ...
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1answer
61 views

Which would be cost effective, a display with graphics controller or without graphics controller?

I am working on a touch screen display on stm32. I found some evaluation boards like mikromedia-7-stm32f7 and stm32h753i-eval Mikroelectronica uses the external controller SSD1963, although the MCU ...