OLED_Display
https://github.com/adafruit/Adafruit_SSD1306
https://github.com/adafruit/Adafruit-GFX-Library
https://hallard.me/adafruit-ssd1306-oled-display-driver-for-raspberry-pi/
$ cd OLED_Display
$ sudo make
$ cd examples/
$ make
$ sudo ./ssd1306_demo