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src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502105488281/5967072.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="emtsos3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502105488281/5967072.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zxzo8jg" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>貴陽(yáng)ble藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊</p><p><span>***更新：</span>2020-11-24 06:19:08</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="j8cov9v" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海磐笙電子科技有限公司</a></p><p><span>聯(lián)系人：</span>丁白蘭</p><p><span>郵箱: </span>258787059@qq.com</p><p><span>電話: </span>15002148001</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.panshion.cn</p><p><span>手機(jī): </span>021-31775145</p><p><span>地址: </span>羅城路530號(hào)住大商務(wù)樓A樓403室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qtvseyk" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="a8ovmlm" class="box"><p><p style="text-indent:25px">什么樣的場(chǎng)景會(huì)用到主從一體的藍(lán)牙模塊？主從一體有普遍的應(yīng)用基礎(chǔ)，為藍(lán)牙模塊的功能擴(kuò)展提供了可能，后續(xù)在醫(yī)療、汽車電子、家庭自動(dòng)化等場(chǎng)合會(huì)有大量的應(yīng)用。比如如下一個(gè)場(chǎng)景：一個(gè)家庭有小寶寶，貴陽(yáng)ble藍(lán)牙模塊供貨商，父母想要密切監(jiān)視他們家的空氣質(zhì)量。他們購(gòu)買(mǎi)了多個(gè)傳感器散布在房間周圍，**顯示屏顯示空氣質(zhì)量。這是本地的解決方案，如果窗戶意外地打開(kāi)，父母在樓上可能聽(tīng)不到**單位的警報(bào)報(bào)警。主從一體多角色的藍(lán)牙模塊可以避免這種情況，傳感器數(shù)據(jù)不再限于在本地顯示?，F(xiàn)在可以在系統(tǒng)中連接智能手機(jī)，貴陽(yáng)ble藍(lán)牙模塊供貨商，并且可以在云端收集數(shù)據(jù)，貴陽(yáng)ble藍(lán)牙模塊供貨商。家長(zhǎng)可以在**單元和智能手機(jī)上查看空氣過(guò)敏原警告，增加他們孩子的保護(hù)。BLE藍(lán)牙模塊應(yīng)用于實(shí)時(shí)性要求比較高，但對(duì)數(shù)據(jù)速率要求不是特別高的產(chǎn)品。貴陽(yáng)ble藍(lán)牙模塊供貨商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽(yáng)ble藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502105488281/5967072.png"></div><p style="text-indent:25px">BLE藍(lán)牙模塊可穿透性：藍(lán)牙信號(hào)可以穿透多數(shù)非金屬物體。BLE藍(lán)牙模塊傳輸安全：通過(guò)定制的加***算法和認(rèn)證鑒權(quán)機(jī)制，保證傳輸?shù)陌踩?。BLE藍(lán)牙模塊部署快：有線通訊方式的建立必須架設(shè)電纜，或挖掘電纜溝，因此需要大量的人力和物力，相比之下用藍(lán)牙模塊建立**無(wú)線數(shù)據(jù)傳輸方式，節(jié)省了人力物力，投資是相當(dāng)節(jié)省的。?BLE藍(lán)牙模塊應(yīng)用領(lǐng)域：水、電、氣等無(wú)線抄表系統(tǒng);樓宇自動(dòng)化、安防、機(jī)房設(shè)備無(wú)線監(jiān)控、門(mén)禁系統(tǒng);無(wú)線呼叫系統(tǒng)、無(wú)線排隊(duì)機(jī)、醫(yī)療器皿;遙控開(kāi)關(guān)，調(diào)光調(diào)色照明，門(mén)鎖，窗簾，溫濕度計(jì)，智能秤等;無(wú)線數(shù)據(jù)傳輸，自動(dòng)化數(shù)據(jù)采集系統(tǒng)(SCADA系統(tǒng));無(wú)線LED顯示屏、搶答器等、智能交通;胎壓檢測(cè)，汽車自動(dòng)鎖，數(shù)據(jù)采集監(jiān)控；運(yùn)動(dòng)手環(huán)，計(jì)步器，運(yùn)動(dòng)計(jì)量。貴陽(yáng)ble藍(lán)牙模塊供貨商BLE藍(lán)牙模塊的使用人群：學(xué)生，用于學(xué)習(xí)應(yīng)用BLE無(wú)線技術(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽(yáng)ble藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501692822266/6707918.png"></div><p style="text-indent:25px">BLE協(xié)議棧詳解協(xié)議概述：所謂協(xié)議，即將指定的字節(jié)按照一定的順序排列起來(lái)，以便他人使用自己的設(shè)備時(shí)，能通過(guò)該協(xié)議同其他設(shè)備進(jìn)行通信。協(xié)議一特點(diǎn)，就是有固定的幀格式，通過(guò)該格式發(fā)送，接收者通過(guò)解讀幀格式，進(jìn)而得到新息內(nèi)容；BLE連接過(guò)程：一般通信協(xié)議，一類通信是直接發(fā)生數(shù)據(jù)，當(dāng)設(shè)備接送到數(shù)據(jù)時(shí)，直接對(duì)數(shù)據(jù)進(jìn)行解析，當(dāng)接受到的數(shù)據(jù)合法時(shí)，即為有效數(shù)據(jù)，該類型的通信協(xié)議，主要用在有線通信協(xié)議中，比如Modbus，Can通常采用的即為該類型的通信方式。</p><p style="text-indent:25px">藍(lán)牙模塊的分類按照應(yīng)用和支持協(xié)議劃分主要分為兩種：經(jīng)典藍(lán)牙模塊（BT）：泛指支持藍(lán)牙協(xié)議在4.0以下的模塊，一般用于數(shù)據(jù)量比較大的傳輸，如：語(yǔ)音、音樂(lè)等較高數(shù)據(jù)量傳輸。經(jīng)典藍(lán)牙模塊可再細(xì)分為：傳統(tǒng)藍(lán)牙模塊和高速藍(lán)牙模塊。傳統(tǒng)藍(lán)牙模塊在2004年推出，主要表示是支持藍(lán)牙2.1協(xié)議的模塊，在智能手機(jī)爆發(fā)的時(shí)期得到普遍支持。高速藍(lán)牙模塊在2009年推出，速率提高到約24Mbps，是傳統(tǒng)藍(lán)牙模塊的八倍，可以輕松用于錄像機(jī)至高清電視、PC至PMP、UMPC至打印機(jī)之間的資料傳輸。低功耗藍(lán)牙模塊（BLE）：是指支持藍(lán)牙協(xié)議4.0或更高的模塊，也稱為BLE模塊，較大的特點(diǎn)是成本和功耗的降低，應(yīng)用于實(shí)時(shí)性要求比較高的產(chǎn)品中，比如：智能家居類（藍(lán)牙鎖、藍(lán)牙燈）、傳感設(shè)備的數(shù)據(jù)發(fā)送（血壓計(jì)、溫度傳感器）、消費(fèi)類電子（遙控玩具）等。不同藍(lán)牙模塊由于作用及應(yīng)用不同，模塊的外引管腳都會(huì)不一樣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽(yáng)ble藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501746123047/9180480.png"></div><p style="text-indent:25px">BLE（Bluetooh Low Energy）藍(lán)牙低能耗技術(shù)是短距離、低成本、可互操作性的無(wú)線技術(shù)，它利用許多智能手段大限度地降低功耗。BLE技術(shù)的工作模式非常適合用于從微型無(wú)線傳感器（每半秒交換一次數(shù)據(jù)）或使用完全異步通信的遙控器等其它外設(shè)傳送數(shù)據(jù)。這些設(shè)備發(fā)送的數(shù)據(jù)量非常少（通常幾個(gè)字節(jié)），而且發(fā)送次數(shù)也很少（例如每秒幾次到每分鐘一次，甚至更少）。BLE協(xié)議棧的結(jié)構(gòu)和配置：1、協(xié)議有兩個(gè)部分組成：Controller和Host2、Profiles和應(yīng)用總是基于GAP和GATT之上；3、在單芯片方案中，Controller和Host，profiles，和應(yīng)用層都在同一片芯片中；4、在網(wǎng)絡(luò)控制器模式中，Host和Controller是在一起運(yùn)行的，但是應(yīng)用和profiles在另外一個(gè)器件上，比如PC或者其他微控制器，可以通過(guò)UART，USB進(jìn)行操作；5、在雙芯片模式中，Controller運(yùn)行在一個(gè)控制器，而應(yīng)用層，profiles和Host是運(yùn)行在另外一個(gè)控制器上。由于主機(jī)處理器的功耗一般高于BLE藍(lán)牙模塊控制器，因而實(shí)現(xiàn)了很大程度的節(jié)能。貴陽(yáng)ble藍(lán)牙模塊供貨商</p><p style="text-indent:25px">BLE藍(lán)牙模塊由三個(gè)主要構(gòu)建模塊組成:應(yīng)用程序、主機(jī)和控制器。貴陽(yáng)ble藍(lán)牙模塊供貨商</p><p style="text-indent:25px">無(wú)線設(shè)備的世界正在迅速蔓延。自從無(wú)線電發(fā)明以來(lái)，不同的公司和研究中心就給他們的工程師和科學(xué)家們制定了相同的任務(wù)：創(chuàng)造市場(chǎng)上高效，成功，**的無(wú)線電模塊。偉大的無(wú)線電模塊不是那么容易定義，它通常取決于模塊必須解決的任務(wù)。在某些情況下，我們需要通過(guò)無(wú)線網(wǎng)絡(luò)發(fā)送大量數(shù)據(jù)，在這種情況下，我們通常不會(huì)要求低能耗。在其他情況下，我們有小型便攜式設(shè)備通知我們某些事件，這些設(shè)備使用電池供電，因此無(wú)線電模塊必須盡可能節(jié)能。當(dāng)我們談?wù)摴?jié)能無(wú)線電模塊，意味著它能夠以非常便宜的能源成本發(fā)送適量的數(shù)據(jù)時(shí)，一種無(wú)線電技術(shù)產(chǎn)品脫穎而出：藍(lán)牙低功耗模塊(BLE)。BLE藍(lán)牙模塊無(wú)線電的調(diào)制速率由規(guī)范規(guī)定為恒定的1Mbps(兆比特每秒)。當(dāng)然，這是理論上的上限。在實(shí)踐中，根據(jù)所使用設(shè)備的限制，您可以期望每秒5-10kb。就距離而言，BLE專注于非常短的距離通信?？梢詣?chuàng)建和配置一個(gè)BLE設(shè)備，該設(shè)備可以可靠地傳輸30米或30米以上的視線范圍內(nèi)的數(shù)據(jù)，但典型的操作范圍可能更接近2到5米。當(dāng)然，續(xù)航里程越高，電池消耗就越多，所以在調(diào)整你的設(shè)備以適應(yīng)更高的續(xù)航里程時(shí)要小心。貴陽(yáng)ble藍(lán)牙模塊供貨商</p><p style="text-indent:25px">上海磐笙電子科技有限公司是一家從事電子科技專業(yè)領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，計(jì)算機(jī)軟硬件的研發(fā)，電子產(chǎn)品、儀器儀表、電子元器件、電氣設(shè)備、數(shù)碼產(chǎn)品、日用百貨、塑料制品、計(jì)算機(jī)軟硬件及輔助設(shè)備的銷售，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。公司自創(chuàng)立以來(lái)，投身于藍(lán)牙模塊，433M無(wú)線通訊模塊，SIMcom模塊，華大單片機(jī)，是電子元器件的主力軍。磐笙電子繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。磐笙電子創(chuàng)始人丁濤，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2121939.html</p></div></div></div></div></div><div id="eseqsub" class="page-right twoColRt"><div id="apr8pio" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yspryac" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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