17. OLED Display

17.1. Introduction

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


17.2. Characteristic

  • Designed in RJ11 connections, easy to plug.

17.3. Specification

Item Parameter
SKU EF05016
Connection RJ11
Type of Connection IIC
Working Voltage 3.3V
Size 0.96
Resolution Ratio 128×64

17.4. Outlook


17.5. Quick to Start

Materials Required and Diagram

  • Connect the OLED module to IIC port in the Nezha expansion board as the picture shows.


17.6. MakeCode Programming

Step 1

Click “Advanced” in the MakeCode drawer to see more choices.


We need to add a package for programming, . Click “Extensions” in the bottom of the drawer and search with “PlanetX” in the dialogue box to download it.


Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.

Step 2

Code as below:



  • The numbers set display on the OLED screen.

17.7. Python Programming

Step 1

Download the package and unzip it: PlanetX_MicroPython

Go to Python editor


We need to add oled.py for programming. Click “Load/Save” and then click “Show Files (1)” to see more choices, click “Add file” to add oled.py from the unzipped package of PlanetX_MicroPython.

../_images/05001_081.png ../_images/05001_091.png ../_images/05016_10.png

Step 2


from microbit import *
from oled import *

display = OLED1306()
display.set_text(0, 0, "hello")


  • The OLED screen displays “Hello” after powering on.

17.8. Relevant File

17.9. Technique File