Very weird LCD problem...

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Joined: 20/06/2011
Location: Australia
Posts: 2901
Posted: 01:01am 21 Apr 2024      

Hi Grogster,

Looking further it does seem that a GND does connect to the Pic and the TFT but that image above is your old version without the new switch.

This is a curious issue.

Suggestions are to minimise it by removing sections you don’t need (like the SD connector and any HC12)

Not much to minimise though.

Are you able to post images of top and bottom copper without the copper pours and individual copper layers (with pours) and without the other layer showing? That would make tracing the wiring easier.



Edited 2024-04-21 11:01 by bigmik