Datasheet

8
SeeedGrayOled.setTextXY(2,0); //Set the cursor to 2nd line, 0th Column
SeeedGrayOled.putNumber(0xFFFFFFFF); //Print number
SeeedGrayOled.setTextXY(3,0); //Set the cursor to 3rd line, 0th Column
SeeedGrayOled.putNumber(-12345); //Print number
}
void loop()
{
}
Output
Hello World on Normal Display
3.1.4 Demo 4: Draw Binary Bitmap
#include <Wire.h>
#include <SeeedGrayOLED.h>
#include <avr/pgmspace.h>
static unsigned char SeeedLogo[] PROGMEM =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x60, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0x06, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xC0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0xC0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x03, 0x80, 0x03, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x80, 0x03, 0x80,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x80, 0x03, 0xC0, 0x00, 0x00, 0x00, 0x00,