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8x16 Matrix Module(EF05029)


The 8x16 dot matrix screen is a display screen that can show emoji expressions using an 8x16 dot matrix.

ELECFREAKS PlanetX 8x16 Matrix Sensor


Designed in RJ11 connections, easy to plug.


Type of ConnectionIIC
Working Voltage3.3V


Quick to Start

Materials Required and Diagram

Connect the 8x16 Matrix module to the IIC port in the Nezha expansion board as the picture shows.

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:


You may also download it directly below:


The expresssions display on the 8x16 matrix module.

Python Programming

Step 1

Download the package and unzip it: PlanetX_MicroPython

Go to Python editor

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

Step 2


from microbit import *
from matrix import *
matrix = MATRIX()
x, y = 0, 0
while True:
for y in range(8):
for x in range(16):
matrix.set_matrix_draw(x, y)


Each LED lights on from the sequence of left to right and up to down, then they light off after all the LEDs light up.

Relevant File

Technique File