Scrolling Text LED Matrix with Arduino, HC05 Bluetooth, & How to Build a simple Android App

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In this video we will see about scrolling led dot matrix display using arduino (Scrolling led display using arduino ). We will interface MAX7219 with Arduino. Android app is developed in the MIT App Inventor web-based application. This is a very well explained mit app invertor tutorial.
Get the code, schematic, APK and Application logic here,
github.com/ste...
Links to get the parts,
Arduino Nano - www.banggood.i...
Arduino Uno - www.banggood.i...
Arduino Pro Mini - www.banggood.i...
Arduino Mega2560 - www.banggood.i...
Breadboard - www.banggood.i...
Jumper Wires - www.banggood.i...
#hc05
#leddotmatrix
#max7219
#arduino
#mitappinventor

Опубликовано:

17 сен 2024

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Комментарии : 47

@adarshsol.9591 4 года назад

Nice Skilled Best Video☺️☺️👍👌 keep creating.... And growing as well we have the same channel content arduino, IOT and programming... Anyways best wishes dude👌👌👍👍👍👍👍👍👍👍👍👍👍👍👍👍

@anokhautomation4453 3 года назад

Amazing project. kerp going to post such tutorials.

@StechiezDIY 3 года назад

Thanks, will do!

@thierrygaillou3071 Год назад

Hello, I just discovered this great code. Thank you for your work. I just have one problem. When the Bluetooth link is disconnected, the message scrolls to OK. Is it possible to revert to the original message from setup(). Thanks

@ngoprekmania112 3 года назад

I finished uploading, but there was a problem the lights did not turn on, I used the 7219 lamp for 8 lines, do I have to change in the coding section, thank you

@ProjeXonic 3 года назад

Best Info... Keep it up bro ❤️

@megam2009 3 года назад

No se a cuales pines conectar en mi arduino mega, me aparece los display con pestañas

@kamalambrator4332 4 года назад

Thank you for tis video??? nice! i have question, in this video used the led max7219 modul china, i have a problem configuration this modul, what is the library used in this code? thankyou

@StechiezDIY 4 года назад

i used parola library for max7219.

@ENDGAMER2002 Год назад

Pls help, I made 48x8 led Matrix with 74hc IC and connect with Arduino nano. Its work properly but i want to connect with Bluetooth like this video. So please give the code for it. Please help 🙏

@Mr.Tim.s_Tutoring Год назад

how about we use a Raspberry Pi Pico

@milindkhade4806 3 года назад

How about a led dot matrix bt controlled clock with message?

@StechiezDIY 3 года назад

Sure that can be done..

@milindkhade4806 3 года назад

Please Sir

@videovipimport 2 года назад

Good afternoon, I installed the code but when I try to send the text through the app it doesn't send it, can you help me? Thank you

@douniazedkermouniserradj776 3 года назад

hi i carried out this experience but after 3 tries the bluetooth disconnects ca you help me please ? thank you

@RavinderSingh-kx9lr 3 года назад

Nice work , even I tried this, but unable to transfer data from mobile. HC05 shows connected . Where I went wrong don't know

@milindkhade4806 3 года назад

Use a voltage divider between Rx of HC-05 and Txd of aeduino

@repair-skills 4 года назад

I'm using ws2811 led in this project

@StechiezDIY 4 года назад

Okay. You can the control like slider to change the color of led.

@repair-skills 4 года назад

@@StechiezDIY I want to make a bluetooth sign board with ws2811 led, sir

@StechiezDIY 4 года назад

lets discuss on mail. stechiezsol@gmail.com

@ankitjain-bv3pd 4 года назад

Please provide link for the .aia or .apk file for the android application

@StechiezDIY 4 года назад

I have updated APK file and Application logic on github.

@ankitjain-bv3pd 4 года назад

Thank u very much sir

@milindkhade4806 3 года назад

I have uploaded the code but it shows only "ql" at the left end and no scrolling what might be the problem?

@StechiezDIY 3 года назад

Are you using my code as it is or changed the code.

@siddheshkhade5722 3 года назад

@@StechiezDIY Previously I used wrong code but now I have used a correct one. It showing the message "Hello! Enter new code" but the bt HC-05 is not working. Connected the bt directly and also voltage divider method.

@siddheshkhade5722 3 года назад

@@StechiezDIY I have used your code now

@milindkhade4806 3 года назад

Dear Sir I have finally succeeded in connectin hc-05 to arduino but it is scrolling bluetooth signature and the message. What is the solution?

@milindkhade4806 3 года назад

@@siddheshkhade5722 Finally my project is successful. Thanks a lot

@rahulb9205 2 года назад

Where to use the arduino program

@adarshpatnaik3553 2 года назад

It displaying my text it is simply showing hello enter new message What can i do now

@StechiezDIY 2 года назад

from the android app you can enter the message.

@kamalambrator4332 4 года назад

hello, just tell you that the code declarer in the GitHub is not the same in the video, for this it does not work for me

@StechiezDIY 4 года назад

code is same in the github and same code is used in the video as well.

@StechiezDIY 4 года назад

can you please tell us about your setup and code.

@AungMin-lt8er 3 года назад

@@StechiezDIY parola library used in this video but LEDMatrixDriver library is in the github. Not the same with the code from video. i tried, In the parola library , Parola_Bluetooth_Control does not work for me. Thank You.