How To Remotely Control Four FastLed Programs
What’s In This Page
How to control ws2812 led strip with an android phone. A video demonstration is included.
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The Controller
The controller is an app that you add to your android phone or tablet.
The app communicates with an Arduino mini pro microcontroller via an HC-05 data receiver.
On the Arduino board is a program with four fastled programs. They are —
The buttons on the controller allow you to choose which one you want to display.
You get a copy of the program and an FTDI programmer. With them you can change the programs. How to do that is below.
This is what you will see on your android device.
To start, you pair your device with the hc-05 on the control board. Once paired, it is always paired.
Then to use the app, you press the connect button and connect to the HC-05.
From there on all you have to do is press the buttons.
The Control Board
The LED strip is connected to a control board.
The led is powered directly (with a capacitor in the circuit) so that you can use as many pixel strips as you want with9ut burning out the Arduino Board.
The strip is a ws2812 pixel strip. It and the Arduino board use 5 volt regulated power.
Changing The Program
The Arduino is programmed for 60 pixels. You can change that by opening the program in an Arduino IDE and changing the number here. MMMM
Then load that program on the Arduino board using the FTDI programmer. Instructions here.
To change the FastLed program, go here and pick a program.
Once you have it, tell chatgpt to change the sketch.
Tell chat:
Change ( the program from the sketch that you want changed. Example uuuu ) in this sketch to run the FastLed program ( ). Add here a copy of the program that is in your IDE. ( Example: )
Copy the new program from Chat.
Open a new sketch in the IDE. Copy the Chat program there.
Upload the sketch to the Arduino Board using the FTDI programmer.
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