Display Covid19 Data (Malaysia) on Dot Matrix Using ESP32

Introduction

Everyday we will got update from KKM (Kementerian Kesihatan Malaysia) regarding Covid19 data in Malaysia via social media like Facebook, Instagram, Twitter and Telegram. In this tutorial, we will try to improve this NTP clock so that it can grab the Covid19 data and display it on Dot Matrix. Before that, please read the following tutorial first.

• Dot Matrix Clock With NTP Server Using ESP32
• Send Data Wirelessly Between ESP32 Using ESP-NOW

Video

This video shows how to display Covid19 data (Malaysia) on dot matrix using ESP32.

Hardware Preparation

This is the list of items used in the video.

• Kit - Dot Matrix Clock with NTP Server using ESP32 OR
• Node32 Lite Wifi & Bluetooth Development Kit
• 4 In 1 MAX7219 Dot Matrix Display Module
• USB Micro B Cable

Sample Program

This is the sample program to display Covid19 data (Malaysia) on dot matrix using ESP32. Before that, you need to install 3 libraries:

1. MD_MAX72XX by majicDesigns Version 3.2.1 (Library Manager)
2. MD_Parola by majicDesigns Version 3.3.0 (Library Manager)
3. NTPClient by Fabrice Weinberg Version 3.1.0 (ZIP file)

Thank You

References:

• COVID-19 CORONA TRACKER: ESP32 & ARDUINO IDE

Thanks for reading this tutorial. If you have any technical inquiries, please post at Cytron Technical Forum.

"Please be reminded, this tutorial is prepared for you to try and learn.
You are encouraged to improve the code for a better application."