Datasheet

5
Wire.begin();
SeeedGrayOled.init(); //initialize SEEED OLED display
SeeedGrayOled.clearDisplay(); //Clear Display.
SeeedGrayOled.setNormalDisplay(); //Set Normal Display Mode
SeeedGrayOled.setVerticalMode(); // Set to vertical mode for displaying text
for(char i=0; i < 12 ; i++)
{
SeeedGrayOled.setTextXY(i,0); //set Cursor to ith line, 0th column
SeeedGrayOled.setGrayLevel(i); //Set Grayscale level. Any number between 0 - 15.
SeeedGrayOled.putString("Hello World"); //Print Hello World
}
}
void loop()
{
}
Output
Hello World on Normal Display