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Introduction Nowadays, the Bluetooth technology is widely used for general mobile phone and wireless IoT solutions, this last one thanks to the implementation of the Bluetooth Low Energy (BLE) standard suitable for battery-powered IoT sensors.
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Introduction to HomeKit

Smart home devices aren’t something new for us. These days we have many things that you can control using your computer or phone. Not so long ago such things only appeared in movies but nowadays it’s a generally available technology. We can install a window opener in your house which is connected to the Internet or smart switches and door locks which we can open with your phone.
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Introduction Nowadays, IoT sensors are almost everywhere and they can sense information that may affect privacy or reveal information that wasn’t intended if it leaks. Particularly, Wireless Sensor Networks(later called WSN) are used extensively in many applications related with health monitoring, environmental monitoring, military purposes and home automation. Security of the privacy rights and the system from malicious attacks is vital when talking about this kind of applications because of the information they sense, plus the combined computational power. Unfortunately, since individually they are not wealthy regarding computational power and battery life, WSNs are not able to deal with traditionals cryptography algorithms to secure data transmission. That’s why other methods and algorithms must be designed and used for IoT systems.
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Introduction Have you ever wondered what it takes to build good IoT product? How much effort does it take to create useful solution which will work safely and serve many clients? It can take a lot of time to do it. Fortunately there are some services like Google Cloud IoT or Amazon AWS IoT which try to help developers overcome all of common obstacles and make the work much easier. Today we will talk more closely about Amazon services. The main goal of their platform which was launched in 2015 is to offer tools that will help to spend more time on product development and not on common tasks that could be easily automated.
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The word ‘startup’ has become very popular these days. So many of us have had an idea for a great product for a long time in their minds, but only a few have decided to do something more with them. There are many reasons behind this lack of activity, however, one of the most popular reasons is that we don’t have the skills in a particular area. Today, I would like to tell you my story, where two students with no knowledge of a field decided to create a prototype of their idea and participate in the Nordic Semiconductor Student Contest. Those students decided not to create something that looks like a real product, but something that really works.
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MQTT (the acronym that, apparently, shouldn’t be expanded to Message Queue Telemetry Transport anymore) is a communication protocol focused on energy efficiency, data-transfer minimization, and assurance of delivery. These three qualities make it the perfect choice for any Internet of Things projects where the Internet connection is given but can be unreliable. Definitions aside, we can use MQTT for:
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The ZigBee or ZigBee/IEEE 802.15.4 protocol is a specification created for wireless networking. It includes hardware and software standard design for WSN (Wireless sensor network) requiring high reliability, low cost, low power, scalability and low data rate. ZigBee-style self-organizing ad-hoc digital radio networks were conceived in the 1990s, but the IEEE 802.15.4-2003/ZigBee specification was ratified on December 14, 2004. And only half year later the ZigBee Alliance announces availability of Specification 1.0 (on June 13, 2005).
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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.
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Internet of Things. Behind these three little words lie thousands of use cases. Not many topics in current tech industry are as trending and innovative as this one. Crowdfunding services like Kickstarter or Indiegogo are also heavily reliant on tech industry and wouldn’t see so many successful projects if it weren’t for IoT. It’s no surprise that here at Netguru we decided to take closer look at the topic and possibly managed to have a taste of the future.
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Nowadays, technology is growing at an unprecedented rate – the trend concerns especially technologies related to mobile. This trend has been brought about by the continuous development of mobile devices and their software. It is also related to the newly emerging technological branches: Internet of Things (IoT), Augmented Reality (AR), Machine Learning, etc. In a company such as Netguru, it is extremely important to keep up-to-date with all the technological news and tools that could improve development. To accomplish this goal, we created two R&D teams: one for Android and one for iOS. Their task is to research and develop ideas based on new technologies and develop the skills of the developers so that they can provide the highest level of services.
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