Bluetooth® Low Energy (Bluetooth® LE or BLE) is a low-power, short-range wireless communication technology that is ideal for use on the Internet of Things (IoT). BLE is designed for small and distinct ...

If you're looking for a way to turn your Bluetooth speaker into a Spotify Connect device, then this is the way.

The voice controlled arduino blinds project is a good example of IoT related project. It features an arduino nano and a HC-06 bluetooth module device that simplifies circuiting of the entire system.