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

https://camo.githubusercontent.com/6c755db5c526672fcc67b12653d60c2e12f2993c/68747470733a2f2f692e696d6775722e636f6d2f45434d357747562e706e67img

3.4. Connector Diagram for Pins

https://camo.githubusercontent.com/5c37fab4d068c788cee54ac92dceed27608f4653/68747470733a2f2f692e696d6775722e636f6d2f6c467a6d5531442e706e67img

3.5. Introduction to Main Function Modules


8x16 matrix

https://camo.githubusercontent.com/718ac7000f2355134e40f3148043c4814cc7f85b/68747470733a2f2f692e696d6775722e636f6d2f56644a4d515a4d2e706e67img

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

12C Communication Interface

https://camo.githubusercontent.com/be79cc35ed8df51deb67928c23984482425ed00b/68747470733a2f2f692e696d6775722e636f6d2f673932706852332e706e67img

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:

Result

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

3.7. FAQ