We have share a tutorial on how to display Telegram text message on dot matrix before. Now, the objectives still same, but we will send the text to Raspberry Pi through Blynk app.
You may need to refer following tutorial first:
This video shows how to display text message on dot matrix using Blynk App and Raspberry Pi
Untuk bahasa Melayu, sila rujuk video dibawah.
This sample code will read the text sent from Blynk app and display to MAX7219 dot matrix.