Deploying a Bluetooth gateway on your Raspberry Pi

The goal of this project is to convert your Raspberry Pi into a Bluetooth gateway so that it can scan and inform you about the surrounding Bluetooth devices (including their services and characteristics). The prerequisites of this project are:

• A Raspberry Pi 3 Model B (or Raspberry Pi 2 with Wi-Fi and Bluetooth dongles)
• An Internet connection

Let's start by setting up the required packages on the Raspberry Pi. I will assume that you are a Linux novice and will explain every step in detail. 

Step 1 - Update and upgrade the Pi

The first step before starting development on your Raspberry is to make sure that it is up to date. To do this, run the following command:

sudo apt-get update

This command will update the package lists from the repositories and update them to get information on the newest versions of packages and their dependencies. The next step is to upgrade the installed packages to the latest packages. To do this, run the following command...