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This post builds on previous posts, drawing together the use of AppInventor to create an Android app to send commands, via Bluetooth, to an Arduino controlling a stepper motor using the AccelStepper library. Because the HC06 Bluetooth board is connected to the Arduino serial I/O on Digital pins 0 and 1, it is possible to develop and test the Arduino sketches  independently of the Android Apps. The data stream anticipated from the Android app, via Bluetooth, can be simulated by opening the ...
This is a follow on from an earlier posting: http://www.element14.com/community/people
eilk/blog/2014/07/18/app-inventor-and-arduino-part-2--send-data-from-arduino-to-android-app   I have written this in response to a request from kennethbuenaventura to show how to send 2 or more data items from an Arduino, via Bluetooth and display them on an Android device. A helpful link to a video by "planetleak" was posted by cams2908:       https://www.youtube.com/watc ...