OLED_US2066 is a library for character OLED display based on controller US2066, e.g. Newhaven character OLED slim display family: NHD0420CW-Ax3, NHD0220CW-Ax3, NHD0216CW-Ax3, ecc. US2066 is partially ...

Run in the Arduino IDE the HelloWorld example with an ili9488 in SPI. In fact, you don't need an ili display to try this, because it fails at compile time. The possible wiring errors, are irrelevant ...