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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 Name0.91" 128x32 OLED-A0.91" 128x32 OLED-B0.96" 128x64 OLED
SKUDFR0647DFR0648DFR0650
ChipSSD1306SSD1306SSD1306
Voltage Input3.3/5V3.3/5V3.3/5V
Resolution128x32128x32128x64
InterfaceI2CI2CI2C/SPI
Welding MethodChip-mounting pad on the backOrdinary welding holeOrdinary welding hole
Size41x12 mm33x20 mm30x30 mm
Price$9.90 $9.90 $14.50 
Features
 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

FEATURES

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

APPLICATIONS

  • Thermometer
  • Desktop weather display
  • Kitchen weighing machine 
  • Air quality detector
  • Mini Game consoles
  • Wearable display

SPECIFICATION

  • 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

DOCUMENTS

  • Product wiki

    • SHIPPING LIST

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