Arduino Project #9: WS2812B RGB LED ( Pixel LED ) control with Android Bluetooth HC - 05

Arduino Project #9: 

This project is a development of the WS2812B RGB LED effect animation project which was completed some time ago. The next project is to control the RGB LED WS2812B using an Android cellphone or iPhone via a bluetooth connection. Software / applications needed to control the LED flame can be developed by MIT App Inventor online and for free. The following is a video documentation of the making of the WS2812B RGB LED Control project with Android.




Materials needed:

Arduino Uno

Bluetooth Module HC-05

WS2812B RGB LED

Android phone

The PC has the Arduino IDE installed

Android app & sketch Arduino (download here DOWNLOAD)

Resistors 5k ohms & 10k ohms

Sufficient cable



Manufacturing steps:

Arrange the circuit according to the scheme


Circuit Schematic

Open the downloaded Arduino Sketch file

Code link

Arduino Sketch interface

Connect the Arduino to the PC / laptop then upload the sketch (note: before uploading the TX and RX cables need to be removed so there is no error)

Install the Android App that has been downloaded to Android (note: only tested for Android, while the iPhone has not been tested whether it can or not)

Android Installed Applications

Turn on Bluetooth on Android, then press the Bluetooth button in the App, and select the connection to the HC-05 (note: when prompted for a password enter 1234)



A successful connection is indicated by the onset of the HC-05 Bluetooth module blinking within 2 seconds

Then you can try pressing the color button on the Android App. The LED will change according to the color button press on the Android App.

Download the App




Trials


Development

As a room decoration

As a child's toy

As a back light monitor / TV

For prank

and many more




Closing

I hope this short tutorial was helpful

If you have questions, you can fill in the comments column or contact me via the Contact page. 

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