Bluetooth controlled huge LED matrix with scrooling text. Connect a bluetooth module to it and send text with out smartphone. All the links are below. Sorry for my old cracked tablet. LOL
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-----------------LINKS-------------------
Tutorial: http://www.electronoobs.com/eng_ardui...
Download the App: http://www.electronoobs.com/eng_ardui...
AppInventor project: http://www.electronoobs.com/images/Ar...
Matrix build video: • HUGE LED matrix with Arduino
Create your App video: • Create a Bluetooth App and control th...
---------------MATERIAL---------------
Leds: http://www.ebay.com/itm/100-x-10mm-Re...
Max7219: http://www.ebay.com/itm/10PCS-MAXIM-M...
---------------SCHEMATICS-----------
Schematic MAX7219: http://www.electronoobs.com/images/Ar...
Full Schematic NANO: http://www.electronoobs.com/images/Ar...
Full Schematic ATmega328: http://www.electronoobs.com/images/Ar...
Full Schematic with bluetooth: http://www.electronoobs.com/images/Ar...
Extra front/back view of the matrices:http://www.electronoobs.com/images/Ar...
--------------------CODE------------------
Bluetooth code:http: //www.electronoobs.com/eng_arduino_tut14_code1.php
LEDcontrol library: http://www.electronoobs.com/images/Ar...
Scrolling Code: http://www.electronoobs.com/eng_ardui...
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