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I'm leaving a note here (and other help threads where I've been frustrated) in case it helps someone. I re-did all of the electronics and now appear t...

I wouldn't think that possible... I just used your image, un-messed-with.

I bought a 2-pack and tested with both... and also switched to solid wire from the Pi to the multiplexer. No consistent joy. Sometimes I will get rand...

Were there any more insights as to solving the freezing displays? I've gone as far as to use higher-quality solid wire for the clock and data wires. N...

Frustratingly, no. It cycles 1-5 for a while then goes to the errors I showed... Then just now it resumed working for a few minutes, showed the error ...

Well the horizontal line that appears in the photo is about the camera refresh rate... There isn't really a row missing... But as often, one OLED simp...

I have five OLEDs. They sometimes work. Not presently with any consistency.

Ok... Reference the original thread - I connected a display and see some errors...

I went back to my configuration GUI and brought all settings I had tweaked to defaults and it worked... Did get hung up once and had to be rebooted......

@markyharris Understood... Was asking how to utilize the light sensor without the level converter... Thanks