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128x64 Tiny OLED display

Using the 0.96" Tiny OLED Display with Arduino

If somehow a 16x2 LCD or a Nokia 3310/5110 LCD is too large for your project, then there's a 0.96" display you can add to your arsenal. This display is OLED (organic LED) instead of LCD - which means back light is unnecessary. In this tutorial, we will look at how to use the 0.96" tiny OLED display with Arduino.

Introduction

The 0.96" OLED runs on SSD1306 controller with a resolution of 128 x 64 or 128 x 32 pixels. Moreover, it can use both SPI and I2C busses. My device only has four pins on it:

tiny OLED display

It is actually monochrome (single color) only. Some models like mine has a yellow filter on top, hence the color you see on the picture above. If you want to display colors, go for the SSD1331-based tiny OLED display.

Here's the rest of the specifications for the 0.96" OLED display:

  • Viewing angle: 160 degree
  • Ultra-low power consumption: full screen lit only 0.08 W
  • Voltage: DC 3.3v or 5v
  • Working temperature: -30℃ 70 ℃
  • I2c address: 0x3c
  • Pins definition:
    • gnd -> ground
    • vcc -> 2.2v-5.5v
    • scl -> clk(high level 2.2v-5.5v)
    • sda -> mosi (high level 2.2v-5.5v)

SSD1306 Arduino Library

Adafruit provides a library to be used with SSD1306-based OLED displays. This works with the Adafruit GFX library so you need to have that also. The library provides an example (go to File -> Examples -> Adafruit SSD1306 -> ssd1306_128x64_i2c) that shows all the capabilities of the library.

Note that you have to edit the SSD1306.h file (located at Documents -> Arduino -> Libraries -> Adafruit SSD1305) to match which OLED model you have. Go to lines 72 to 74 and find this section:

If your display is the 128 x 164 version, comment out the 2nd line and uncomment  to first line:

 

Simple Example

Here's a simple example that displays text:

You might have noticed the Adafruit logo popping out every boot. This is because whoever created the library cleverly embedded the logo on the buffer array. This array loads every time you call display.display() for the first time. To remove the logo, open the Adafruit_SSD1306.cpp file and change each byte in the buffer array to 0x00.

Here's a modified Adafruit_SSD1306.cpp file with the logo removed: http://textuploader.com/dlkzp

 

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