Hello, I need some help interfacing my arduino with android app using bluetooth. This is a simple project if you understand how to do it.
When the Arduino pin 6 goes HIGH it should send a signal via bluetooth to the anrdoid phone to display a IMAGE on the screen. Very simple thanks.
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i have a ready working app for this part connecting to arduino through bluetooth , and display the values , it can be changed to your requirements easily , i can provide you the app in less than an hour