The Raspberry Pi GPIO serial port configuration has changed under Jessie and also with the Raspberry PI 3. By Default serial port is disabled and on RPI 3 Bluetooth made it even made it more confusing to enable Serial Port on GPIO. In this post i’ll describes how it is now setup. As i m not interested in Bluetooth so i m going to disable it and keep GPIO serial. In order to enable serial port edit config.txt and add…