IoT grew tremendously in previous years and as of now, it’s one of the top trend in the technology world. Even more than that, it’s still growing by the day and it’s not slowing down anytime soon. With the need for the new IoT solutions come questions about wireless communication.
In 10th century Harald Gormsson, the king of Denmark and Norway united most of Jutland and Zealand under his reign. To this day we are celebrating his achievements by using one of the handiest communication technologies ever created, named after his nickname. In this article, I want to focus on a specific aspect of it, important for people building custom hardware products and applications communicating with them. I’ll try to explain when and why a custom Bluetooth Low Energy service is a good idea. This article has been written from the perspective of an iOS developer, but it's generic enough to be useful for any other environment.