M ancher may not even hear the term: The Internet of Things (IoT) is now understood in the coming many years. Like a chameleon, its color, it changes depending on the perspective and interests of its name: Machine-to-Machine (M2M) industry 4.0 Industrial IoT (IIoT), Internet of Everything. Everything said ultimately the same, namely that more and more systems to communicate with each other and cloud data centers. The one hand makes new business models possible, it forces the other hand also. IoT branches out further and drives in the growing industry sector of embedded (IT) systems always new flowers.
“normal” less and less it comes to the single chip or the individual system, important is the integration of different products under a common software ceiling. This also applies to the communication of individual IoT systems among themselves and with the respective control systems. For established methods such as Ethernet, wireless and mobile are available, for close range there are about Bluetooth Low Energy (LE) and Zigbee. For the future, are particularly economical, cheap and narrow-band mobile radio systems such LoRaWAN: long-range wide-area networks. They bring an IoT device directly to the cloud, without going through gateways, and to work so efficient that batteries hold out for years. …
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