3. 8x16 matrix module

3.1. Introduction

8 x 16 matrix module is a kind of 8 x 16 matrix screen that can display numbers, commonly used letters and symbols with scrolling-displaying function. It adopts IIC bus protocol and makes it easy to connect and operate.

3.2. Characteristic

  • The matrix module is of high luminance, low consumption and good quality.

  • It has original outlook with silk print design.

  • It adopts IIC bus protocol and makes it easy to connect and operate.

  • It has three user-defined hardware address bit .

3.3. Parameter

Item Parameter
Name 8x16 matrix module
Version V1.2
SKU EF03418
Operating Voltage DC 3-5V
Communication Mode IIC Connector
Dimension 37 x 43mm
Net Weight 11.6g

Outlook and Dimension


3.4. Connector Diagram for Pins


3.5. Introduction to Main Function Modules

8x16 matrix


Each LED can be turned on or off separately to display numbers, commonly used letters and symbols.

12C Communication Interface


It communicates with SCM through 12C communication mode.

3.6. Quick to Start

Hardware Connection

Insert the micro:bit into sensor:bit and then insert 8x16 matrix module into its equivalent IIC connector.https://camo.githubusercontent.com/0e91bc3019d4bdcf64feb2a7f8e9d4029fb2ac0e/68747470733a2f2f692e696d6775722e636f6d2f7957414b79764f2e6a7067img

Software Program

Use makecode to program and achieve the scrolling-displaying on 8x16 led matrix display.

The links of the program: https://makecode.microbit.org/_FsFWvpXP4gsm

You can also download it directly:


The scroll-displaying begins from top to bottom and then from left to right on the 8x16 matrix module.

3.7. FAQ