In the last post of this series, we learned about Bluetooth Classic, the traditional Bluetooth that has been around for more than two decades. Today, we look at a variation of Bluetooth that was introduced half a decade ago in order to support really small devices running all day: Bluetooth Low Energy. Continue reading “When devices whisper to each other – Part 3: Bluetooth Low Energy”
In the last post in this series, I elaborated why it is useful to have short distance communication. In this post, we will look at how classic Bluetooth works. Nearly every electronic device today supports Bluetooth. Some people use it more than others. But what exactly is Bluetooth and when is it useful? Let’s see in this post. We will cover only classic Bluetooth and not the latest Bluetooth Low Energy, also called Bluetooth Smart. Continue reading “When devices whisper to each other – Part 2: Classic Bluetooth”
Hello Internet. Today I am starting a series of posts that will explain how devices whisper to each other. Er.. what does that mean? Well, when devices are within a few millimetres to single digits of metres of each other, they don’t need to shout out, do they? That’s why we are learning about a few communication protocols that are used when devices are near each other.
“But isn’t it better that devices are able to communicate from really far away? What’s the point if they just communicate when really close?” Bear with me, as I am going to give you some good reasons for why devices should communicate only when close to each other. Continue reading “When devices whisper to each other – Part 1: Intro”