7. IIC OLED Module(EF03155)#

7.1. Introduction#

This is an OLED display to show the data you want to print.(Chinese is not supported)


7.3. Characteristics#

This is a mini OLED display whose diameter is only 1 inch, it is of high resolution due to the high contrast of the display. The display is made of 128x64 white OLED pixels with each on/off by the controlling chip. The mini and smart OLED display is of strong readability due to its high contrast. The display does not require backlight selfillumination, it lowers the power for the OLED display to work. The loaded voltage regulator and the builtin boost converter made it possible to connect the power in 5V. It is easy to connect to the mini controller in 3V/5V power without any level translator.

7.4. Specifications#

Item Parameter
SKU EF03155
OLED selfillumination No Backlight
Screen Size 0.96
Resolution 128×64
Color Blue
Communication Mode IIC
Power dissipation ULP
Working Temperature 2070℃
Working Voltage 3.35V
Dimension 27mm * 28mm

7.5. Dimension#


7.6. Quick to start#

Connection diagram#

CL pin connect to CL pin; SA to DA; V to V; G to G.

Take sensor:bit for example:


Add package#

Click “Advanced”in the choice of the MakeCode to find more choices.


Click “Extensions”, search “oled”in the dialog box and then download oledssd1306.



Program as the picture shows.#

Initialize the pixels of the OLED screen as 64*128. Show characters: “elecfreaks”




You can also download the links below:


“elecfreaks” is displayed on the screen.


7.7. Relevant cases#

7.8. Technique Files#