物聯(lián)網(wǎng)和比肯應(yīng)用的快速跟蹤設(shè)計(jì)

　　我們的家庭、辦公室和工廠幾乎沒(méi)有一種嵌入式設(shè)備，沒(méi)有無(wú)線通訊的形式。無(wú)數(shù)的設(shè)備都在我們身邊喋喋不休，因?yàn)槲覀冮_車，鍛煉自行車，或監(jiān)督制造過(guò)程。不久前，事實(shí)正好相反。我們家里的溫控器，我們的汽車的音樂(lè)播放器，和我們辦公室的自動(dòng)扶梯都是獨(dú)立的應(yīng)用程序，只是做他們需要做的工作。毫無(wú)疑問(wèn)，物聯(lián)網(wǎng)（IOT）和產(chǎn)業(yè)形式，IIoT，負(fù)責(zé)連接浪涌；但這種無(wú)處不在的無(wú)線環(huán)境的基礎(chǔ)是牢固的基礎(chǔ)，在智能手機(jī)和他們的應(yīng)用程序的出現(xiàn)。從工程的角度來(lái)看，將射頻連接到產(chǎn)品的任何方面已經(jīng)有很長(zhǎng)的路要走，進(jìn)行一個(gè)離散的無(wú)線設(shè)計(jì)。雖然非常高的體積設(shè)計(jì)，在離散無(wú)線的投資反映在較低的材料成本法案，可能是設(shè)計(jì)和承擔(dān)必要的無(wú)線電監(jiān)管批準(zhǔn)的時(shí)間超過(guò)成本的差異相比，選擇基于模塊的方法。當(dāng)一個(gè)新產(chǎn)品的營(yíng)銷規(guī)范制定，上下文通常是它可以在世界任何國(guó)家或地區(qū)使用。一個(gè)產(chǎn)品只用于銷售地理的日子已經(jīng)一去不復(fù)返了。預(yù)先認(rèn)證的無(wú)線模塊，以滿足所有必要的無(wú)線電審批標(biāo)準(zhǔn)，大大簡(jiǎn)化了設(shè)計(jì)要求，創(chuàng)造區(qū)域產(chǎn)品的變種。

　　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.