Hands-On Robotics Programming with C++

Testing the code

Now, before compiling and building the program, make sure that you have paired both the Android smartphone's Bluetooth and the RPi's Bluetooth. If they are not paired, then the RPi Bluetooth name (raspberrypi) will not appear in the Bluetooth list when you run the VoiceControlBot application. The steps for pairing the devices are listed in the Pairing the Android smartphone and RPi via Bluetooth section.

Once you have done this, you will need to execute and run the bt_serial script, which we created previously, inside the Terminal window. The commands for executing and running this script are as follows:

sudo chmod +x bt_serial            //Execution codesudo ./bt_serial                   //Run Code

You do not need to execute this script each time you ...