Hello, bought different SSD1306 Oleds 128x64 First of all using Adafruit Lib on Pro Mini 5V A3/A4 for SCK SDA - this works for one of the Versions. Second display Version didnt work - displays strange things. Differences i can see Elliptic holes vs round VCC 1st pin vs VCC second pin PCB desi…

SSD1306 Oled Display(s)

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