I printed the 3D printable DIY case, assembled the board, looked at how to hang it and it looks like the hanging holes are on the bottom of the case. Unless it’s supposed to be hung with the temp sensor on the bottom and the screen read upside down.
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I had the same problem, you have to adjust the code to flip the LCD. Technically the code already flips the LCD so you’re just commenting it out and then adjusting the coordinates to print the text.
There’s a thread on here somewhere that explains they wanted the PM2.5 sensor facing down to prevent things from falling into it.
Please check this topic: