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RPi 0.91 Inch 128x32 OLED Module (Seeed Studio)

The 0.91 Inch OLED Display Module for Raspberry Pi is a compact monochrome display designed specifically for Raspberry Pi development boards. Based on the SSD1306 OLED controller, it communicates through the I²C interface, requiring only a few GPIO pins while delivering crisp text and graphics with a resolution of 128 × 32 pixels. Since OLED technology uses self-emitting pixels, the display provides excellent contrast, wide viewing angles, and very low power consumption without requiring a backlight. Its small size makes it ideal for embedded systems, portable devices, status displays, IoT projects, and educational applications.

Package Includes

  • 1 × 0.91 Inch OLED Display Module for Raspberry Pi


65.95 AED 65.95 AED (Tax included)

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Features

  • Designed specifically for Raspberry Pi boards.
  • SSD1306 OLED display controller.
  • 128 × 32 pixel monochrome display.
  • Uses the I²C communication interface.
  • Operates directly from the Raspberry Pi 3.3V supply.
  • Requires only a few GPIO pins.
  • No backlight required for low power consumption.
  • Excellent contrast with wide viewing angles.
  • Compact size for embedded and portable projects.
  • Compatible with Raspberry Pi Python libraries and Linux drivers.

Principle of Operation

The display uses the SSD1306 controller to drive an array of self-emitting OLED pixels. Display commands and image data are transferred from the Raspberry Pi through the I²C bus, where the SSD1306 stores the data in its internal display memory before refreshing the OLED pixels.

Unlike conventional LCD displays, each OLED pixel generates its own light, eliminating the need for a backlight. This provides deep blacks, excellent contrast, fast response times, and significantly lower power consumption.

Applications

  • Raspberry Pi system status displays
  • IoT monitoring devices
  • Sensor data visualization
  • Portable embedded systems
  • Home automation controllers
  • Weather stations
  • Industrial monitoring equipment
  • Robotics projects
  • Educational electronics
  • Linux embedded interfaces

Pinout

Pin Function
3.3V Power Supply
GND Ground
SDA I²C Data Line
SCL I²C Clock Line
RST Display Reset (if available)

Wiring

The module connects directly to the Raspberry Pi GPIO header using the I²C interface.
Just plug into GPIO in 3.3v, SDA, SCL, GND.

File:Gpioread.jpg

OLED Module Raspberry Pi GPIO
3.3V Pin 1 (3.3V)
GND Pin 6 (GND)
SDA GPIO2 (Pin 3)
SCL GPIO3 (Pin 5)
RST (Optional) Any Available GPIO (if required)

Library Required

Simple Python Example

from luma.core.interface.serial import i2c
from luma.oled.device import ssd1306
from PIL import ImageDraw

serial = i2c(port=1, address=0x3C)
device = ssd1306(serial)

draw = ImageDraw.Draw(device.image)
draw.text((0,0), "Hello Pi!", fill="white")
device.show()

Specifications

Product Type OLED Display Module for Raspberry Pi
Display Controller SSD1306
Display Size 0.91 Inch
Resolution 128 × 32 Pixels
Display Technology Monochrome OLED
Communication Interface I²C
Operating Voltage 3.3V
Frame Rate Less than 1 fps
Operating Temperature -40°C to +85°C
Active Display Area 22.38 × 5.58 mm
Pixel Pitch 0.17 × 0.17 mm
Pixel Size 0.15 × 0.15 mm
Module Dimensions 35.1 × 15.12 × 11.8 mm
Overall Dimensions 36.56 × 14.87 × 11.70 mm
Weight Approximately 2.9 g

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