I’m interested in getting a small OLED display, but after going through pages of this forum, I’m still not sure about one thing. If I get one that supports I2C, is setting it up the same process as setting up an LCD screen that uses I2C? I’ve done that and used this thread for info:
There are character OLEDs and Graphic OLED devices. The display refered by your second link is under discussion in some parallel threads here. I know that there are some libraries for the pixel oriented graphics OLEDs (from Adafruit and my own U8glib).
Most ultra cheap far east monochrome OLEDs use the SSD1306 controller.