Before the button is pressed, the application will retrieve a list of Bluetooth devices available in your range.
To explain the code, the button that is being used is a list picker component. Now that we understand this, you can make your blocks based on the image. Next is being able to connect to the Bluetooth in the application which is completely separate from connecting it the phone. When the device is on, make sure your phone is able to find it and connect to it. In the file "bluetooth.png", the first two things you must do is have a way to select the Bluetooth device. I have an S3 phone so the clock speed I set was 57600. Make sure that your Bluetooth is set to the clock speed of your phone's Bluetooth.
I did a project using the Arduino and App inventor sending and receiving data, and I also used the HC-05 Bluetooth.
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