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物联网和比肯应用的快速跟踪设计
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物联网和比肯应用的快速跟踪设计
我们的家庭、办公室和工厂几乎没有一种嵌入式设备，没有无线通讯的形式。无数的设备都在我们身边喋喋不休，因为我们开车，锻炼自行车，或监督制造过程。不久前，事实正好相反。我们家里的温控器，我们的汽车的音乐播放器，和我们办公室的自动扶梯都是独立的应用程序，只是做他们需要做的工作。毫无疑问，物联网（IOT）和产业形式，IIoT，负责连接浪涌；但这种无处不在的无线环境的基础是牢固的基础，在智能手机和他们的应用程序的出现。从工程的角度来看，将射频连接到产品的任何方面已经有很长的路要走，进行一个离散的无线设计。虽然非常高的体积设计，在离散无线的投资反映在较低的材料成本法案，可能是设计和承担必要的无线电监管批准的时间超过成本的差异相比，选择基于模块的方法。当一个新产品的营销规范制定，上下文通常是它可以在世界任何国家或地区使用。一个产品只用于销售地理的日子已经一去不复返了。预先认证的无线模块，以满足所有必要的无线电审批标准，大大简化了设计要求，创造区域产品的变种。
Aiding the engineer to speed the job of integrating wireless communication into a design is now a more straightforward task. Resources such asDigi-Key’s IoT product selector break down the process of selecting suitable components and modules to use in development. When choosing a wireless module， the first criteria is that of the communication standard and protocol to be used. The most popular methods are Wi-Fi and Bluetooth， the latter being the default method for short-range， low-power communications. Specifically， the Bluetooth Low Energy （BLE） profile appears purpose made for battery-powered IoT devices. Also known as Bluetooth 4.0/4.2 or Bluetooth Smart， BLE offers a range of 300 feet and a data throughput of up to 270 kbs. In addition to being used in a variety of IoT devices such as sensors and actuators， BLE can be commonly found in healthcare， fitness， home entertainment， and beacon applications. Beacons， used for proximity marketing and indoor navigation purposes， have been picked up by sales hungry retail organizations as a way of pushing marketing offers to passing customers’ smartphones. Use of BLE for retail beacons is predicted to grow by 222% during the period of 2016 – 2020 according to Research and Markets， a market research company. Outside of retail， beacons are being used to keep passengers updated on their flight status and potential delays within an airport.
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