RPI Header from top (pin1 side)
3V3 O O 5V
SDA1 O O 5V
SCL1 O O GND
GCLK O O GPIO14 (TXD)
GND O O GPIO15 (RXD)
using adafruit 1306 lib for driving oled
git clone https://github.com/adafruit/Adafruit_Python_SSD1306.git
cd Adafruit_Python_SSD1306
sudo python setup.py install