I have a pi1541 ( Pi1541io (rev. 4) running on a 3b+. The LCD worked when I first got it, but at some point, it stopped working - doesn't even turn on. Is it possible that plugging it in the wrong way (which I'm sure I did), damaged the LCD and/or the pins on the hat? I've tried many different recommended config lines, so I don't
think it's a configuration issue.