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0.91" 128x32 OLED  Graphics Display - I2C Serial Interface 3.3V/5V
Item # 1755
0.91" OLED  I2C Serial Graphics Display 128x32  3.3V/5V 
Monochrome (blue) display module
OLED display, no need backlight, self-illumination, the display performance is better than the traditional LCD display, also lower power consumption.

●  Driver IC: SSD1306
●  Size: 0.91 inch OLED
●  Resolution: 128 x 32
●  Color Depth:Monochrome (Blue)
●  Voltage: DC 3.3-5V
●  PIN Interface: I2C.
●  Module dimensions: 38x12mm
●  Supports various microcontrollers: Fully compatible with Raspberry Pi, Arduino, 51 Series, MSP430 Series, STM32 / 2, CSR IC, etc.
I2C Pin definition:
  GND: Power Ground.
  VCC: Power + (DC 3.3 ~5v).
  SCL: Clock Line.
  SDA: Data Line.

Youtube videos:
128x32 i2c display ssd1306
Arduino Anxiety - Uno, 128x32 OLED and u8g2lib
Update: u8g2lib and the 128x32 OLED

Firmware Library (u8glib):
● Arduino Library: Link1, Link2
Firmware Library (u8glib version 2):
● U8g2 wiki
● U8g2 library for monochrome displays

Important Note:
Make sure you are correctly setting the contrast value of the LCD (by writing to command register ) or you will be able to see very dim or nothing at all on the LCD.When you are using u8glib, please make sure that you un-comment following statement:
//U8GLIB_SSD1306_128X32 u8g(U8G_I2C_OPT_NONE);// I2C / TWI

$5.27  USD
per Unit