{"id":284,"date":"2024-05-13T07:07:00","date_gmt":"2024-05-12T22:07:00","guid":{"rendered":"http:\/\/www.eqboard.com\/?p=284"},"modified":"2024-05-13T22:10:55","modified_gmt":"2024-05-13T13:10:55","slug":"bluetooth%ec%97%90-%eb%8c%80%ed%95%98%ec%97%ac","status":"publish","type":"post","link":"https:\/\/www.eqboard.com\/?p=284","title":{"rendered":"Bluetooth\uc5d0 \ub300\ud558\uc5ec"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li class=\"has-small-font-size\"><strong>Bluetooth BR\/EDR \ubaa8\ub4c8 \uc911 Android\uc5d0\uc11c\ub294 \uc798 \ub3d9\uc791\ud558\uc9c0\ub9cc, Windows\uc5d0\uc11c\ub294 Pairing\ubd80\ud130 \uc798 \uc548\ub418\ub294 \uc81c\ud488\uc774 \uc788\uc2b5\ub2c8\ub2e4.<br>-> \uc774 \ubaa8\ub4c8\uc740 \uc708\ub3c4\uc6b0\uc640 \ud638\ud658\ub418\uc9c0 \uc548 \ub418\ub294 \uac83\uc73c\ub85c, \ub2e4\ub978 \uc81c\ud488\uc73c\ub85c \uad50\uccb4\ud558\uc2ed\uc2dc\uc624.<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-small-font-size\">\uc774 \ud398\uc774\uc9c0 \ub0b4\uc6a9\uc740 \ub2e4\uc74c \uc0ac\uc774\ud2b8\ub97c \ucc38\uace0 \ud558\uc600\uc2b5\ub2c8\ub2e4.<br><strong>https:\/\/kr.mathworks.com\/help\/bluetooth\/gs\/comparison-of-bluetooth-bredr-and-bluetooth-le.html<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"has-small-font-size\">\uc6a9\uc5b4<br>* BR\/EDR :  <strong>B<\/strong>luetooth basic <strong>R<\/strong>ate\/<strong>E<\/strong>nhanced <strong>D<\/strong>ata <strong>R<\/strong>ate<br>* BLE : <strong>B<\/strong>luetooth <strong>L<\/strong>ow <strong>E<\/strong>nergy<br>\ucd08\ubc18\uc5d0 Bluetooth\ub294 USB COM Port\ucc98\ub7fc \uc0ac\uc6a9\ud558\uc600\ub2e4.<br>BR\/EDR(Classic)\ub294 \uc791\uc740 \uc790\uc6d0\uc73c\ub85c \uad6c\ud604\uc774 \uac00\ub2a5\ud558\uba70, \uc804\uc1a1 \uacfc\uc815\uc774 \ub2e8\uc21c\ud558\uc9c0\ub9cc Pairing \uacfc\uc815\uc744 \uac70\uccd0\uc57c \ud55c\ub2e4.<br>BLE\ub294 Pairing \uacfc\uc815\uc774 \uc5c6\uace0, \ucd9c\ub825\uc774 \ub0ae\uc544, \ubc30\ud130\ub9ac \uc18c\ube44\ub3c4 \uc801\uace0, \ud63c\uc120\uc774 \uc801\uc9c0\ub9cc, \uc804\uc1a1\ub7c9\uc774 \uc801\uace0, \uac1c\ubc1c\ub2e8\uacc4\uc5d0\uc11c \ubcf5\uc7a1\ud55c \uacfc\uc815\uc774 \ud544\uc694\ud558\ub2e4.<br><em>\uc608\ub85c Windows\uc5d0\uc11c Bluetooth device\ub97c \uac1c\ubc1c\ud558\uba70\uc11c \ud14c\uc2a4\ud2b8\ud560 \uacbd\uc6b0, EDR\uc740 \ubb34\ub8cc \ud130\ubbf8\ub110 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc9c0\ub9cc, BLE\ub294 \uc720\ub8cc \ud504\ub85c\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud574\uc57c \ud558\ub294\ub370, \uc124\uc815\uc774 \ubcf5\uc7a1\ud558\uc5ec, Android app\uc744 \ub9ce\uc774 \uc0ac\uc6a9\ud55c\ub2e4.<\/em><\/p>\n\n\n\n<p class=\"has-small-font-size\">\uc790\uc138\ud55c \uc0ac\ud56d\uc740 \uc544\ub798 \ub0b4\uc6a9\uc744 \ucc38\uc870\ud558\uc2dc\uae38 \ubc14\ub780\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table><thead><tr><th>Feature<\/th><th>Bluetooth BR\/EDR<\/th><th>Bluetooth LE<\/th><\/tr><\/thead><tbody><tr><td>Frequency band<\/td><td>Operates on a 2.4 GHz Industrial, Scientific, and Medical (ISM) band, with the values in the range from 2.4000 GHz to 2.4835 GHz<\/td><td>Operates on 2.4 GHz ISM band, with the values in the range from 2.4000 GHz to 2.4835 GHz<\/td><\/tr><tr><td>Channels<\/td><td>79 channels<\/td><td>40 channels (37 data channels and 3 advertising channels)<\/td><\/tr><tr><td>Channel bandwidth<\/td><td>1 MHz<\/td><td>2 MHz<\/td><\/tr><tr><td>Spread spectrum technique<\/td><td>1600 hops\/sec frequency-hopping spread spectrum (FHSS)<\/td><td>FHSS<\/td><\/tr><tr><td>Modulation scheme<\/td><td>&#8211; Gaussian frequency shift keying (GFSK)<br>&#8211; \u03c0\/4 differential quadrature phase shift keying (DQPSK)<br>&#8211; 8 differential phase shift keying (DPSK)<\/td><td>GFSK<\/td><\/tr><tr><td>Power usage<\/td><td><strong>1 W (reference value)<\/strong><\/td><td><strong>~0.01x W to 0.5x W of reference<\/strong> (depending on the use case scenario)<\/td><\/tr><tr><td><strong>Maximum transmission power<\/strong><\/td><td><strong>&#8211; Class 1: 100 mW (20 dBm)<br>&#8211; Class 2: 2.5 mW (4 dBm)<br>&#8211; Class 3: 1 mW (0 dBm)<\/strong><\/td><td><strong>&#8211; Class 1: 100 mW (20 dBm)<br>&#8211; Class 1.5: 10 mW (10 dBm)<br>&#8211; Class 2: 2.5 mW (4 dBm)<br>&#8211; Class 3: 1 mW (0 dBm)<\/strong><\/td><\/tr><tr><td>Data rate<\/td><td><strong>&#8211; BR PHY (GFSK): 1 Mb\/s<br>&#8211; EDR PHY (\u03c0\/4 DQPSK): 2 Mb\/s<br>&#8211; EDR PHY (8 DPSK): 3 Mb\/s<\/strong><\/td><td><strong>&#8211; LE Coded PHY (S = 8): 125 Kb\/s<br>&#8211; LE Coded PHY (S = 2): 500 Kb\/s<br>&#8211; LE 1M PHY: 1 Mb\/s<br>&#8211; LE 2M PHY: 2 Mb\/s<\/strong><\/td><\/tr><tr><td>Device discovery<\/td><td><strong>Inquiry or paging<\/strong><\/td><td><strong>Advertising<\/strong><\/td><\/tr><tr><td>Device address privacy<\/td><td>None<\/td><td>Private device addressing supported<\/td><\/tr><tr><td>Encryption algorithm<\/td><td>E0\/SAFER+<\/td><td>AES-CCM<\/td><\/tr><tr><td>Audio capable<\/td><td>Yes<\/td><td>Yes (Bluetooth LE audio is introduced in Bluetooth Core Specification 5.2)<\/td><\/tr><tr><td>Network topology<\/td><td>Point-to-point (including piconet)<\/td><td>&#8211; Point-to-point (including piconet)<br>&#8211; Broadcast<br>&#8211; Mesh<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">* Bluetooth\ub294 \ud1b5\uc2e0\ud558\ub294 (2\uac1c \uc774\uc0c1)\uc7a5\uce58\uc758 \uc870\ud569\uc774 \uc88b\uc544\uc57c \ucd5c\uc0c1\uc758 \uc0c1\ud0dc\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc6a9\uc5b4* BR\/EDR : Bluetooth basic Rate\/Enhanced Data Rate* BLE : Bluetooth Low Energy\ucd08\ubc18\uc5d0 Bluetooth\ub294 USB COM Port\ucc98\ub7fc \uc0ac\uc6a9\ud558\uc600\ub2e4.BR\/EDR(Classic)\ub294 \uc791\uc740 \uc790\uc6d0\uc73c\ub85c \uad6c\ud604\uc774 \uac00\ub2a5\ud558\uba70, \uc804\uc1a1 \uacfc\uc815\uc774 \ub2e8\uc21c\ud558\uc9c0\ub9cc Pairing \uacfc\uc815\uc744 \uac70\uccd0\uc57c \ud55c\ub2e4.BLE\ub294 Pairing \uacfc\uc815\uc774 \uc5c6\uace0, \ucd9c\ub825\uc774 \ub0ae\uc544, \ubc30\ud130\ub9ac \uc18c\ube44\ub3c4 \uc801\uace0, \ud63c\uc120\uc774 \uc801\uc9c0\ub9cc, \uc804\uc1a1\ub7c9\uc774 \uc801\uace0, \uac1c\ubc1c\ub2e8\uacc4\uc5d0\uc11c \ubcf5\uc7a1\ud55c \uacfc\uc815\uc774 \ud544\uc694\ud558\ub2e4.\uc608\ub85c Windows\uc5d0\uc11c Bluetooth device\ub97c \uac1c\ubc1c\ud558\uba70\uc11c \ud14c\uc2a4\ud2b8\ud560 \uacbd\uc6b0, EDR\uc740 \ubb34\ub8cc \ud130\ubbf8\ub110 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-284","post","type-post","status-publish","format-standard","hentry","category-story"],"_links":{"self":[{"href":"https:\/\/www.eqboard.com\/index.php?rest_route=\/wp\/v2\/posts\/284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eqboard.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eqboard.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eqboard.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eqboard.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=284"}],"version-history":[{"count":5,"href":"https:\/\/www.eqboard.com\/index.php?rest_route=\/wp\/v2\/posts\/284\/revisions"}],"predecessor-version":[{"id":888,"href":"https:\/\/www.eqboard.com\/index.php?rest_route=\/wp\/v2\/posts\/284\/revisions\/888"}],"wp:attachment":[{"href":"https:\/\/www.eqboard.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eqboard.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eqboard.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}