which is why it's called an "emissive" display technology. That difference leads to all kinds of picture-quality effects, some of which favor LCD (and QLED), but most of which favor OLED.

Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK to Pin 13, MOSI to Pin 11, MISO to Pin 12, and RST to Pin 9. Wire your ...