How to: Arduino + MAX7219 + Bluetooth controlled dot matrix scrolling LED message

How to make scrolling led messahe using Arduino Nano, MAX7219 dot matrix display and Bluetooth module. .

Required:
MD_MAX72xx and MD_Parola libraries..
Please download and install the libraries from github. Link is listed below. Everything you need is there including the codes

Note: if you are using smartphone and you were redirected to the link above, you have to touch the three-dot menu and check the "Desktop Site". This will make the page in desktop mode and then touch the download to desktop button.

From the Arduino IDE, click the Tools - Libraries - Manage library -Add zip file.

MD_Parola libraries: github.com/myonline88/md_parola_scrolling


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