金華大眾藍牙模塊經(jīng)銷商誠信服務(wù) 上海磐笙電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="要實現(xiàn)一個BLE應(yīng)用，先需要一個支持BLE射頻的芯片，然后還需要提供一個與此芯片配套的BLE協(xié)議棧，后在協(xié)議棧上開發(fā)自己的應(yīng)用，金華大眾藍牙模塊經(jīng)銷商，金華大眾藍牙模塊經(jīng)銷商。可以看出BLE協(xié)議棧是連接芯片和應(yīng)用的橋梁，是實現(xiàn)整個BLE應(yīng)用"><meta name="keywords" content="金華大眾藍牙模塊經(jīng)銷商,BLE藍牙模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>金華大眾藍牙模塊經(jīng)銷商,BLE藍牙模塊</p><p><span>***更新：</span>2021-01-02 07:14:52</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vkmjahd" 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: </span>021-31775145</p><p><span>地址: </span>羅城路530號住大商務(wù)樓A樓403室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7df8b7w" class="page-proshow02"><p class="title">詳細說明</p><div id="gamtvm8" class="box"><p><p style="text-indent:25px">要實現(xiàn)一個BLE應(yīng)用，先需要一個支持BLE射頻的芯片，然后還需要提供一個與此芯片配套的BLE協(xié)議棧，后在協(xié)議棧上開發(fā)自己的應(yīng)用，金華大眾藍牙模塊經(jīng)銷商，金華大眾藍牙模塊經(jīng)銷商?？梢钥闯鯞LE協(xié)議棧是連接芯片和應(yīng)用的橋梁，是實現(xiàn)整個BLE應(yīng)用的關(guān)鍵。那BLE協(xié)議棧具體包含哪些功能呢？簡單來說，BLE協(xié)議棧主要用來對你的應(yīng)用數(shù)據(jù)進行層層封包，以生成一個滿足BLE協(xié)議的空中數(shù)據(jù)包，也就是說，把應(yīng)用數(shù)據(jù)包裹在一系列的幀頭（header）和幀尾（tail）中。PHY層（Physical layer物理層）。PHY層用來指定BLE所用的無線頻段，調(diào)制解調(diào)方式和方法等，金華大眾藍牙模塊經(jīng)銷商。PHY層做得好不好，直接決定整個BLE芯片的功耗，靈敏度以及selectivity等射頻指標。藍牙模塊根據(jù)應(yīng)用分為藍牙數(shù)據(jù)模塊和藍牙音頻模塊。金華大眾藍牙模塊經(jīng)銷商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華大眾藍牙模塊經(jīng)銷商,BLE藍牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501909589844/5026738.png"></div><p style="text-indent:25px">BLE藍牙模塊技術(shù)使用與傳統(tǒng)藍牙技術(shù)相同的自適應(yīng)跳頻(AFH)技術(shù)，因而能確保BLE藍牙模塊能夠在住宅、工業(yè)與醫(yī)療應(yīng)用中的“嘈雜”射頻環(huán)境中維持穩(wěn)定的傳輸。為了較大程度地減少使用AFH的成本與功耗，BLE藍牙模塊技術(shù)已將通道數(shù)量從傳統(tǒng)藍牙技術(shù)的79個1兆赫茲寬通道減少至40個2兆赫茲的寬通道。藍牙技術(shù)、無線LAN、IEEE802.15.4/無線個域網(wǎng)以及許多專有的無線電均使用無需認證許可的2.4千兆赫工業(yè)科學(xué)醫(yī)療（ISM）頻帶。由于共享這一無線電波空間的技術(shù)過多，因此無線性能會因干擾所引發(fā)的錯誤修正與重復(fù)傳送而下降（例如延遲時間增加和吞吐量減少等）。在要求嚴格的應(yīng)用中，可通過頻率規(guī)劃與特殊的天線設(shè)計減少干擾。金華大眾藍牙模塊經(jīng)銷商藍牙模塊的接口分串行接口、USB接口、數(shù)字IO口、模擬IO口、SPI編程口及語音接口。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華大眾藍牙模塊經(jīng)銷商,BLE藍牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501712343750/6318681.png"></div><p style="text-indent:25px">藍牙燈控解決方案主要以BLE藍牙模塊為基礎(chǔ),實現(xiàn)智能藍牙LED燈的色彩控制等功能。藍牙燈控方案說明：手機藍牙和彩燈上的藍牙模塊進行配對，實現(xiàn)APP命令控制彩燈藍牙，實現(xiàn)不同的功能，比如可以通過色板、聲音調(diào)節(jié)喜歡的顏色、亮度等。BLE藍牙智能鎖方案：智能門禁鎖是在原有門禁系統(tǒng)的基礎(chǔ)上，增加低功耗藍牙透傳模塊，實現(xiàn)手機藍牙協(xié)議對接。智能手機通過APP調(diào)用藍牙服務(wù)，發(fā)送指令，智能門禁鎖接收藍牙指令，繼而控制智能門禁鎖的開關(guān)。</p><p style="text-indent:25px">什么樣的場景會用到主從一體的藍牙模塊？主從一體有普遍的應(yīng)用基礎(chǔ)，為藍牙模塊的功能擴展提供了可能，后續(xù)在醫(yī)療、汽車電子、家庭自動化等場合會有大量的應(yīng)用。比如如下一個場景：一個家庭有小寶寶，父母想要密切監(jiān)視他們家的空氣質(zhì)量。他們購買了多個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，父母在樓上可能聽不到**單位的警報報警。主從一體多角色的藍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，并且可以在云端收集數(shù)據(jù)。家長可以在**單元和智能手機上查看空氣過敏原警告，增加他們孩子的保護。BLE藍牙模塊應(yīng)用領(lǐng)域；藍牙燈控方案：藍牙燈控解決方案主要以SKYLAB。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華大眾藍牙模塊經(jīng)銷商,BLE藍牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501660625000/1490191.png"></div><p style="text-indent:25px">低功耗藍牙技術(shù)使用與傳統(tǒng)藍牙技術(shù)相同的自適應(yīng)跳頻（AFH）技術(shù)，因而能確保低功耗藍牙能夠在住宅、工業(yè)與醫(yī)療應(yīng)用中的“嘈雜”射頻環(huán)境中維持穩(wěn)定的傳輸。為了大程度地減少使用AFH的成本與功耗，低功耗藍牙技術(shù)已將通道數(shù)量從傳統(tǒng)藍牙技術(shù)的79個1兆赫茲寬通道減少至40個2兆赫茲的寬通道。相比傳統(tǒng)藍牙技術(shù)，低功耗藍牙技術(shù)所增加的一項新功能就是“廣播”功能。通過這項功能，從設(shè)備可以告知其需要向主設(shè)備發(fā)送數(shù)據(jù)。藍牙模塊根據(jù)溫度分為工業(yè)級和商業(yè)級。SKYLAB BLE藍牙模塊符合工業(yè)級標準，能夠適應(yīng)各種惡劣環(huán)境，工作溫度范圍達到：-40~85℃。藍牙模塊根據(jù)功率分有CLASS1,CLASS2,CLASS3。西寧常見ble低功耗藍牙</p><p style="text-indent:25px">BLE藍牙模塊的使用人群：MCU方案廠商或成品廠商，經(jīng)常做一些各類消費類電子，工業(yè)控制類方案。金華大眾藍牙模塊經(jīng)銷商</p><p style="text-indent:25px">藍牙模塊的主從一體有什么樣的好處？主從一體額外增加了藍牙模塊的功能，成本優(yōu)化和易用性。如果藍牙模塊以前在封閉系統(tǒng)中作為主設(shè)備工作，那現(xiàn)在還可以同時作為從機連接到智能手機，從而實現(xiàn)新的連接維度。沒有多角色，將需要額外的無線MCU來實現(xiàn)相同的系統(tǒng)架構(gòu)。目前，BLE藍牙模塊越來越被普遍使用。因為它功耗低、體積小、成本低、兼容性強，所以很多電子設(shè)備、智能設(shè)備都在應(yīng)用，未來將會有更多場景和產(chǎn)品會應(yīng)用上。BLE藍牙模塊大家想到的劣勢應(yīng)該就是傳輸距離，因為它本身就是短距離傳輸技術(shù)。金華大眾藍牙模塊經(jīng)銷商</p></p><br /><p>文章來源地址: 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