@dc42 I'll check those solder points and report back.

@droftarts yes I believe it had the same light/dark theme inversion before I upgraded the firmware. If it is a hardware issue, I’m just wondering if it could be the ssd1963 driver or the build in LCD components. If it’s the built in lcd it would be easier to swap the LCD itself.

I can try the 3.4.0-5i firmware.

@Phaedrux it’s a PanelDue 5i from filastruder in 2019

I flashed “PanelDueFirmware-3.4.1-5.0i.bin” using DWC

My PanelDue 5i using 4 pin connection, seems to invert color themes. Here I have light theme selected and it's dark themed.Can anyone confirm the CMY color bands on the top corner are correct? You can see I've upgraded to the latest firmware.

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It's not hurting functionality but I am hoping the colors aren't inverted somehow because none of the colors look like they should. It's affecting the contrast which makes it harder to read more than anything.

@dc42 woah that's an awesome feature! Thanks

I'd like to have print status output over serial so I can use an Arduino to display the status on an LED matrix. I also want to be able to read multiple voltages (I'm running my printer on several batteries in parallel, this can also be done with an slave Arduino) to display on the Print Status and possible pause printer when voltage on a cell drops.

How would I go about this? Do I need to modify the firmware or can it be done natively with M codes in a macro?