Bluetooth Low Energy is meant to have lower energy requirements for mobile and embedded devices. Qt offers both C++ and QML classes and components to use it. You should now be able to discover and connect to a Bluetooth Low Energy device.
Advertising GATT services so users and clients can receive and send data was also covered.
In the next chapter, we will go over some of the main components for the Internet of Things (IoT), such as sensors and automation communication protocols.