Xinyuan-LilyGO/LilyGo-T5-Epaper-Series

Problem with pixels in last rows of T5 v2.13

jcgfsantos opened this issue · 4 comments

I can't change the pixels below what looks to be line 122.
This is strange because the visible width for GxDEPG0150BN is 122.
Could this be a firmware or hardware problem?

Thanks

PXL_20210516_160015598 (1)

I did some more tests and it looks like there is an offset.

I set

display.setCursor(0, 0);

and then do:

int i = 0;
while (i < display.width()+1) {
    display.fillRect(0, 0, i,display.height(), GxEPD_BLACK);
    i++;
    display.update();
    delay(500);

    Serial.println(i);
}

It starts drawing the rectangle immediately above those pixels that I can't change and reaches the top before the counter reaches display.width(). What can be causing this?

I have same error too (T5 v2.13)

you can try to change the GxGDE lib. when I use the <GxGDEM0213B74/GxGDEM0213B74.h>, it work fine

@icepie, thanks!, your suggestion also worked for me, although the behaviour of the screen changes a little (it goes black sometimes).

If the display is not correct, it is very likely that the panel model is selected incorrectly. The 2.13 screen has been updated to several versions. You can only try it yourself, because I don't know what model you have.