SSD1306

Color  PCA9685 	Raspberry Pi
yellow SCL     	GPIO 3 / SCL (Pin 5)
orange SDA 	GPIO 2 / SDA (Pin 3)
Red    VCC / V 	3,3V (pin 1)
Black  GND     	GND (Pin 6)

• https://learn.adafruit.com/monochrome-oled-breakouts/python-wiring