Controlling LED Matrix Display using Android via Bluetooth
This video demonstrates the steps to build a remote-controlled LED matrix display module, using Android device as the controller.
The scrolling text on the LED module was written using BT Serial Terminal available on Google Play. The BT module used in the video is HC-06 while the display is MAX7219 based LED display module.
You may get the Arduino code and corresponding libraries here: https://goo.gl/RUpzQf. Note that I did not build the code entirely by myself, but just modified the code from the others using Parola Matrix library to make this work with Bluetooth communication; many thanks to the original writer of the code.
(Updated on 26 Dec 2017) Now you can have the connection diagram for the above circuit here: https://goo.gl/XzMkoG.
Thank you.
BT Serial Terminal:
https://goo.gl/Nqg7rx