Hi. I bought the following OLED display: I am using an UNO copy. First I wired it up as described on the sellers page on Aliexpress, and followed their instructions regarding installing the u8g2 library and I copied their example code, all included in the link above. When I upload the code nothing happens. Then I followed the instructions described here: I installed all the libraries and followed all the instructions, except when I run any code to find the I2C's address I run in to an
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