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You have no doubt seen some video of fans sending messages at concerts via Digital signboard, huh?

This method became very popular recently and quickly went viral on the networks.

But, do you know how to do this illuminated sign on your cell phone screen?

In this sense, companies and stores already use the signs fingerprints on the facades. This is done to draw attention to new potential customers.

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In this way, they act as a business card for these establishments.

That is, the LED Digital Sign is nothing more than a digital application for cell phones, a panel that emits light.

In this way, it is possible to create phrases that, in turn, are reproduced continuously on the cell phone display.

In this sense, the user will be able to write any sentence on the cell phone screen.

In addition, you can still change the message display speed, right in the available options.

Or even change the colors of both the phrase and the background.

If you are interested, continue in this post and we will show you how to do it.

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The application is only available to system users android.

However, there are other apps as alternatives to Digital signboard if you are a user iPhone (iOS).

LED Digital Sign

To access the application, simply install it on your android the app LED Digital Sign.

After that, open the application and, when the main screen appears, press the option “Type your text”.

Once the pop-up appears on the screen, write the message you want and tap “Ok”.

However, it is also possible to change the display speed on the screen easily. Just slide the key from side to side and access the speed control.

After that you will see that two frames appear, one in yellow, the other in black.

To change the color, check the yellow box and select a color from those already available in the tool.
Now, to change the screen background color, tap on the black color frame and choose another color option that you prefer.

Once done, tap on “Select”.

To project the phrase and its changes and finalize the whole process, tap “IR” on the cell phone screen.

O app it's free, lets you share messages with your friends and contains a history of phrases already used.

Digital Sign LED Panel

Free app, but offers in-app purchases.

O Digital signboard LED panel is used to playfully communicate with friends at parties, bars and clubs.

In addition, it can be used in places where conversation is not allowed, such as classes, important meetings or libraries.

Possessing 4.8 out of 5 stars in the evaluations and opinions made by its users.

Available for users of iPhone (iOS) at the App Store in different languages.

For example, Portuguese, Korean, Japanese, Thai, and simplified or traditional Chinese.

User has option to change fonts color, styles and size to choose from.

The speed is also adjustable, in addition to the sentence reading direction and flashing effect.

It has backgrounds and core schemes that make it easy to create the banner.


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Options like exporting GIF, live streaming and sharing are also available. In addition, expression emojis make your portable bar personalized.

Finally, the app has Custom Background and support for uploading favorite photos.