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Varenr. DFR0648

Fermion: Monochrome 0.91” 128x32 I2C OLED Display (Breakout)


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  • Monochrome I2C OLED Display Selection Guide
    2020-04-26 08:38:43


  • Product wiki
  • Introduction

    This OLED display module uses the SSD1306 drive chip, has 128x32 self-illuminating white pixels, and adopts the back chip-mounting pad design. Small size, the length is 33mm and the width is 20mm. With its small size, simple wiring and low power consumption, it can be applied to many display applications, such as wearable display devices, Mini small game consoles, desktop widgets, etc.

    The display module adopts a high-contrast, low-power OLED display. Full-screen lighting consumes approximately 25mA (3.3V) 25mA (5V) and full-screen off power consumption: approx. 2mA (3.3V) 2mA (5V). It is compatible with controllers such as Arduino UNO, Leonardo, ESP32/ESP8266, FireBettle-M0 and so on. Internal power-on reset processing, I2C communication methods, so that your welding line will be more convenient and simpler.

    Note: Turn the pixels off when you are not using the display to prevent the use of some pixels too long to darken them, which will cause the brightness uniformity problem.

    Monochrome I2C OLED Display Selection Guide
    Product Name 0.91" 128x32 OLED-A 0.91" 128x32 OLED-B 0.96" 128x64 OLED
    SKU DFR0647 DFR0648 DFR0650
    Chip  SSD1306 SSD1306 SSD1306
    Voltage Input 3.3/5V 3.3/5V 3.3/5V
    Resolution 128x32 128x32 128x64
    Interface I2C I2C I2C/SPI
    Welding Method Chip-mounting pad on the back Ordinary welding hole Ordinary welding hole
    Size 41x12 mm 33x20 mm 30x30 mm
    Price $9.90  $9.90  $14.50 
     1. Small size, ultra-narrow design
      2. Display 2 rows of 16 pixel characters
      3. Chip-mounting pad
     1. Small size
      2. Display 2 rows of 16 pixel characters
     1. Display 4 rows of 16 pixel characters
      2. Support I2C/SPI
      3. Iron frame to protect the screen
    Recommended  Suitable for users with certain hands-on ability to build up applications requiring space and appearance  Suitable for entry-level makers  Applicable for users who want to display  much content with high-speed SPI  refresh


    • Self-illuminating OLED display
    • Controllable pixels and low power consumption
    • Supports power-on reset


    • Operating voltage: 3.3V to 5V 
    • Color: white pixels
    • Number of pixels: 128 columns x 32 rows
    • Interface: I2C
    • Drive chip: SSD1306
    • Brightness: 180 (Typ) cd/m2
    • Full-screen lighting power: approx. 25mA (3.3V) 25mA (5V)
    • Full-screen off power consumption: approx. 2mA (3.3V) 2mA (5V)
    • Operating temperature: -30°C to 70°C
    • Display area: 22.38 x 5.58 mm / 0.88”x 0.22”
    • Mounting hole diameter: 2 mm
    • Size: 33x20mm / 1.30”x 0.79”
    • Weight: 2.7 g

    Shipping List

    • Monochrome 0.91”128x32 I2C OLED Display x1
    • 2.54 chip-mounting pin-4P x1

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