Zigbee is a low-power, low-data-rate wireless communication technology that has been gaining popularity in recent years due to its ability to enable wireless communication between devices over short distances. In this article, we will delve into the history of Zigbee, its technology, applications, and future directions, providing a comprehensive review Read more…
In the physical layer of the Bluetooth protocol stack, there are two useful parameters: LQI and RSSI. Both are used by the receiver to evaluate the current wireless environment quality (link quality) and guide subsequent actions. However, the calculation principles and application scenarios of these two values differ significantly. LQI Read more…
The Criticality of Security One of the most discussed issues related to the Internet of Things (IoT) is security. From agriculture to hospitals, from residential smart homes to commercial smart buildings, and from power stations to traffic management systems, IoT systems and technologies will touch many parts of the world Read more…
Bluetooth Smart is an emerging short range wireless technology aimed for low power devices. Bluetooth 4.2 core specification provides various methods to secure the communication between devices and establish trusted connections. This paper describes the design considerations to secure the Bluetooth smart devices. 1. Introduction Bluetooth smart (also known as Read more…
As a QA an important part of your tasks consists of continuous improvement of your Test and delivery process. Being a key member of your organisation you will have to participate in different workshops, meetings and trainings in order to figure out the best balance you and your team can Read more…
Just a quick writeup on the difference between pairing and bonding, since these terms get used interchangeably. I think this has to do with the usage of ‘pairing’ in Bluetooth Classic, or BR/EDR. As far as Bluetooth LE is concerned, pairing and bonding are two very distinct things. The short Read more…
A Short Introduction Web Bluetooth is a a new technology that connects the Web with the Internet of Things. Web Bluetooth is so new, it’s still being built and prototyped! But of course, that doesn’t mean we can’t play with it… Essentially, Web Bluetooth lets you control any Bluetooth Low Read more…
In the 1990s, the world was on the cusp of a wireless revolution. The rise of mobile phones, laptops, and personal digital assistants (PDAs) had created a demand for a technology that could connect these devices without the need for cables. This was the genesis of Bluetooth, a wireless personal Read more…
Smart cards have become an indispensable part of our daily lives, used in various applications such as finance, transportation, and identity verification. At the heart of smart card technology lies the Secure Element (SE) and the 7816 protocol, which together form the foundation of security and reliability. In this blog Read more…