{"id":2779,"date":"2020-04-08T21:02:06","date_gmt":"2020-04-08T12:02:06","guid":{"rendered":"https:\/\/mindstorms.tokyo\/?page_id=2779"},"modified":"2020-05-22T01:43:20","modified_gmt":"2020-05-21T16:43:20","slug":"bluetooth-connection-block","status":"publish","type":"page","link":"https:\/\/mindstorms.tokyo\/en\/advanced\/bluetooth-connection-block\/","title":{"rendered":"Bluetooth Connection Block\u3010How to use MINDSTORMS\u3011"},"content":{"rendered":"\n<a href=\"https:\/\/amzn.to\/3aRNDiS\" target=\"_blank\" rel=\"noopener noreferrer\">\n<img src=\"https:\/\/m.media-amazon.com\/images\/S\/abs-image-upload-na\/e\/AmazonStores\/ATVPDKIKX0DER\/0b0d850b84aa310ad38fa5c65f7a7337.w3000.h600._CR0%2C0%2C3000%2C600_SX1920_.jpg\" alt=\"LEGO\u30c6\u30af\u30cb\u30c3\u30af\" title=\"LEGO\u30c6\u30af\u30cb\u30c3\u30af\" border=\"0\">\n<\/a>\n\n\n\n<h2 style=\"text-align:center\" class=\"h2\">LEGO \u3010MINDSTORMS\u3011EV3<\/h2>\n\n\n\n<h1>Bluetooth Connection Block<\/h1>\n\n\n\n<div>\n<h4 style=\"text-align:left\" id=\"area1\" class=\"h4\">Bluetooth Connection Block\u3000- Overview -\u3000<\/h4>\n<br>\n\n<center>\n\n<div class=\"box1\">\n <div class=\"sel1\">\n  <select name=\"channel\" onchange=\"imgChange(this)\">\n   <option value=\"4\" hidden=\"\">Select the mode<\/option>\n   <option value=\"4\">Overview<\/option>\n   <option value=\"0\">On<\/option>\n   <option value=\"1\">Off<\/option>\n   <option value=\"2\">Initiate<\/option>\n   <option value=\"3\">Clear<\/option>\n  <\/select>\n <\/div>\n\n  <img src=\"https:\/\/mindstorms.tokyo\/wp-content\/uploads\/bluetooth_connection_overview_EN-e1586345353415.png\" name=\"imgsmp\">\n\n<br><br>\n\n\n\n<div>\n<div class=\"ad_pc\">\n<iframe src=\"\/\/rcm-na.amazon-adsystem.com\/e\/cm?o=1&amp;p=26&amp;l=ur1&amp;category=amazonhomepage&amp;f=ifr&amp;linkID=da254e3c8b5ee3714127a5aa4677ef37&amp;t=hitorigotokun-20&amp;tracking_id=hitorigotokun-20\" width=\"468\" height=\"60\" scrolling=\"no\" border=\"0\" marginwidth=\"0\" style=\"border:none;\" frameborder=\"0\"><\/iframe>\n<\/div>\n\n<div class=\"ad_sp\">\n<iframe src=\"\/\/rcm-na.amazon-adsystem.com\/e\/cm?o=1&amp;p=42&amp;l=ur1&amp;category=amazonhomepage&amp;f=ifr&amp;linkID=aaf6b36c0aa3345cae58c3e7f77b3541&amp;t=hitorigotokun-20&amp;tracking_id=hitorigotokun-20\" width=\"234\" height=\"60\" scrolling=\"no\" border=\"0\" marginwidth=\"0\" style=\"border:none;\" frameborder=\"0\"><\/iframe>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n<\/center>\n<br>\n\n<div class=\"box2\">\n    <div id=\"area2\">Use the Bluetooth Connection block to turn Bluetooth on or off, connect to another Bluetooth device, or clear the connection to another Bluetooth device.<\/div>\n    <div id=\"area3\">Bluetooth devices include other EV3 Bricks, cellular phones, and computers although not all Bluetooth devices will support a connection to the EV3 Brick.<\/div>\n    <div id=\"area4\">If you have already established a Bluetooth Connection using the EV3 On-brick menu, you do not need to use the Bluetooth Connection Block.<\/div>\n    <div id=\"area5\">\u3000<\/div>\n    <div id=\"area6\">The Bluetooth protocol in the EV3 system works by choosing a Master EV3 Brick and using that to connect to a Slave EV3 Brick.<\/div>\n    <div id=\"area7\">One Master EV3 Brick can connect to up to seven Slave EV3 Bricks. The Master EV3 Brick can send messages to each Slave EV3 Brick.<\/div>\n    <div id=\"area8\">The Slave EV3 Bricks, however, can only send messages back to the Master EV3 Brick. Slave EV3 Bricks cannot send messages directly to other Slave EV3 Bricks.<\/div>\n    <div id=\"area9\">\u3000<\/div>\n    <div id=\"area10\">After a Bluetooth connection has been made, the program can send and receive messages.<\/div>\n    <div id=\"area11\">\u3000<\/div>\n    <div id=\"area12\">Use the Mode Selector to select the Bluetooth connection mode you want. After selecting the mode, you can choose a value for the input. The input available will change depending on the mode.<\/div>\n    <div id=\"area13\">\u3000<\/div>\n    <div id=\"area14\">[Modes] :  On , Off , Initiate , Clear<\/div>\n<\/div>\n\n<script language=\"JavaScript\">\n<!--    \n\nimg0=new Image()\nimg0.src=\"https:\/\/talk-to-myself.com\/wp-content\/uploads\/2019\/09\/bluetooth_connection_0.png\"\nimg1=new Image()\nimg1.src=\"https:\/\/talk-to-myself.com\/wp-content\/uploads\/2019\/09\/bluetooth_connection_1.png\"\nimg2=new Image()\nimg2.src=\"https:\/\/talk-to-myself.com\/wp-content\/uploads\/2019\/09\/bluetooth_connection_2.png\"\nimg3=new Image()\nimg3.src=\"https:\/\/talk-to-myself.com\/wp-content\/uploads\/2019\/09\/bluetooth_connection_3.png\"\nimg4=new Image()\nimg4.src=\"https:\/\/mindstorms.tokyo\/wp-content\/uploads\/bluetooth_connection_overview_EN-e1586345353415.png\"\n\nfunction imgChange(parts){\nfname=parts.options[parts.selectedIndex].value;\n\nif(fname==0){\n  document.imgsmp.src=img0.src;\n  document.getElementById(\"area1\").innerText = \"On\";\n  document.getElementById(\"area2\").innerText = \"The On mode will turn on Bluetooth on the EV3 Brick running the program.\";\n  document.getElementById(\"area3\").innerText = \"\";\n  document.getElementById(\"area4\").innerText = \"\";\n  document.getElementById(\"area5\").innerText = \"\";\n  document.getElementById(\"area6\").innerText = \"\";\n  document.getElementById(\"area7\").innerText = \"\";\n  document.getElementById(\"area8\").innerText = \"\";\n  document.getElementById(\"area9\").innerText = \"\";\n  document.getElementById(\"area10\").innerText = \"\";\n  document.getElementById(\"area11\").innerText = \"\";\n  document.getElementById(\"area12\").innerText = \"\";\n  document.getElementById(\"area13\").innerText = \"\";\n  document.getElementById(\"area14\").innerText = \"\";\n\n }\n\nif(fname==1){\n  document.imgsmp.src=img1.src;\n  document.getElementById(\"area1\").innerText = \"Off\";\n  document.getElementById(\"area2\").nerText = \"The Off mode will turn off Bluetooth on the EV3 Brick running the program.\";\n  document.getElementById(\"area3\").innerText = \"\";\n  document.getElementById(\"area4\").innerText = \"\";\n  document.getElementById(\"area5\").innerText = \"\";\n  document.getElementById(\"area6\").innerText = \"\";\n  document.getElementById(\"area7\").innerText = \"\";\n  document.getElementById(\"area8\").innerText = \"\";\n  document.getElementById(\"area9\").innerText = \"\";\n  document.getElementById(\"area10\").innerText = \"\";\n  document.getElementById(\"area11\").innerText = \"\";\n  document.getElementById(\"area12\").innerText = \"\";\n  document.getElementById(\"area13\").innerText = \"\";\n  document.getElementById(\"area14\").innerText = \"\";\n }\n\nif(fname==2){\n  document.imgsmp.src=img2.src;\n  document.getElementById(\"area1\").innerText = \"Initiate\";\n  document.getElementById(\"area2\").innerText = \"The Initiate mode initiates a connection with a specified Bluetooth device.\";\n  document.getElementById(\"area3\").innerText = \"Use the Connect To input to enter the device name.\";\n  document.getElementById(\"area4\").innerText = \"A Bluetooth connection is maintained until the Clear mode is used.\";\n  document.getElementById(\"area5\").innerText = \"\";\n  document.getElementById(\"area6\").innerText = \"\";\n  document.getElementById(\"area7\").innerText = \"\";\n  document.getElementById(\"area8\").innerText = \"\";\n  document.getElementById(\"area9\").innerText = \"\";\n  document.getElementById(\"area10\").innerText = \"\";\n  document.getElementById(\"area11\").innerText = \"\";\n  document.getElementById(\"area12\").innerText = \"\";\n  document.getElementById(\"area13\").innerText = \"\";\n  document.getElementById(\"area14\").innerText = \"\";\n }\n\nif(fname==3){\n  document.imgsmp.src=img3.src;\n  document.getElementById(\"area1\").innerText = \"Clear\";\n  document.getElementById(\"area2\").innerText = \"Use the Clear mode to end a connection with a Bluetooth device.\";\n  document.getElementById(\"area3\").innerText = \"\";\n  document.getElementById(\"area4\").innerText = \"\";\n  document.getElementById(\"area5\").innerText = \"\";\n  document.getElementById(\"area6\").innerText = \"\";\n  document.getElementById(\"area7\").innerText = \"\";\n  document.getElementById(\"area8\").innerText = \"\";\n  document.getElementById(\"area9\").innerText = \"\";\n  document.getElementById(\"area10\").innerText = \"\";\n  document.getElementById(\"area11\").innerText = \"\";\n  document.getElementById(\"area12\").innerText = \"\";\n  document.getElementById(\"area13\").innerText = \"\";\n  document.getElementById(\"area14\").innerText = \"\";\n }\n    \nif(fname==4){\n  document.imgsmp.src=img4.src;\n  document.getElementById(\"area1\").innerText = \"Overview\";\n  document.getElementById(\"area2\").innerText = \"Use the Bluetooth Connection block to turn Bluetooth on or off, connect to another Bluetooth device, or clear the connection to another Bluetooth device.\";\n  document.getElementById(\"area3\").innerText = \"Bluetooth devices include other EV3 Bricks, cellular phones, and computers although not all Bluetooth devices will support a connection to the EV3 Brick.\";\n  document.getElementById(\"area4\").innerText = \"If you have already established a Bluetooth Connection using the EV3 On-brick menu, you do not need to use the Bluetooth Connection Block.\";\n  document.getElementById(\"area5\").innerText = \"\u3000\";\n  document.getElementById(\"area6\").innerText = \"The Bluetooth protocol in the EV3 system works by choosing a Master EV3 Brick and using that to connect to a Slave EV3 Brick.\";\n  document.getElementById(\"area7\").innerText = \"One Master EV3 Brick can connect to up to seven Slave EV3 Bricks. The Master EV3 Brick can send messages to each Slave EV3 Brick.\";\n  document.getElementById(\"area8\").innerText = \"The Slave EV3 Bricks, however, can only send messages back to the Master EV3 Brick. Slave EV3 Bricks cannot send messages directly to other Slave EV3 Bricks.\";\n  document.getElementById(\"area9\").innerText = \"\u3000\";\n  document.getElementById(\"area10\").innerText = \"After a Bluetooth connection has been made, the program can send and receive messages.\";\n  document.getElementById(\"area11\").innerText = \"\u3000\";\n  document.getElementById(\"area12\").innerText = \"Use the Mode Selector to select the Bluetooth connection mode you want. After selecting the mode, you can choose a value for the input. The input available will change depending on the mode.\";\n  document.getElementById(\"area13\").innerText = \"\u3000\";\n  document.getElementById(\"area14\").innerText = \"[Modes] :  On , Off , Initiate , Clear\";\n }\n\n}\n\n\/\/ -->\n<\/script>\n    \n<\/div>\n\n\n\n<p><\/p>\n<div class=\"veu_socialSet veu_socialSet-position-after veu_contentAddSection\"><script>window.twttr=(function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);t._e=[];t.ready=function(f){t._e.push(f);};return t;}(document,\"script\",\"twitter-wjs\"));<\/script><ul><li class=\"sb_facebook sb_icon\"><a class=\"sb_icon_inner\" href=\"\/\/www.facebook.com\/sharer.php?src=bm&u=https%3A%2F%2Fmindstorms.tokyo%2Fen%2Fadvanced%2Fbluetooth-connection-block%2F&amp;t=LEGO%20EV3%20MINDSTORMS%20by%20%E7%8B%AC%E3%82%8A%E8%A8%80%E3%81%8F%E3%82%93\" target=\"_blank\" onclick=\"window.open(this.href,'FBwindow','width=650,height=450,menubar=no,toolbar=no,scrollbars=yes');return false;\"><span class=\"vk_icon_w_r_sns_fb icon_sns\"><\/span><span class=\"sns_txt\">Facebook<\/span><span class=\"veu_count_sns_fb\"><\/span><\/a><\/li><li class=\"sb_twitter sb_icon\"><a class=\"sb_icon_inner\" href=\"\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Fmindstorms.tokyo%2Fen%2Fadvanced%2Fbluetooth-connection-block%2F&amp;text=LEGO%20EV3%20MINDSTORMS%20by%20%E7%8B%AC%E3%82%8A%E8%A8%80%E3%81%8F%E3%82%93\" target=\"_blank\" ><span class=\"vk_icon_w_r_sns_twitter icon_sns\"><\/span><span class=\"sns_txt\">twitter<\/span><\/a><\/li><li class=\"sb_hatena sb_icon\"><a class=\"sb_icon_inner\" href=\"\/\/b.hatena.ne.jp\/add?mode=confirm&url=https%3A%2F%2Fmindstorms.tokyo%2Fen%2Fadvanced%2Fbluetooth-connection-block%2F&amp;title=LEGO%20EV3%20MINDSTORMS%20by%20%E7%8B%AC%E3%82%8A%E8%A8%80%E3%81%8F%E3%82%93\" target=\"_blank\"  onclick=\"window.open(this.href,'Hatenawindow','width=650,height=450,menubar=no,toolbar=no,scrollbars=yes');return false;\"><span class=\"vk_icon_w_r_sns_hatena icon_sns\"><\/span><span class=\"sns_txt\">Hatena<\/span><span class=\"veu_count_sns_hb\"><\/span><\/a><\/li><li class=\"sb_pocket sb_icon\"><a class=\"sb_icon_inner\"  href=\"\/\/getpocket.com\/edit?url=https%3A%2F%2Fmindstorms.tokyo%2Fen%2Fadvanced%2Fbluetooth-connection-block%2F&title=LEGO%20EV3%20MINDSTORMS%20by%20%E7%8B%AC%E3%82%8A%E8%A8%80%E3%81%8F%E3%82%93\" target=\"_blank\"  onclick=\"window.open(this.href,'Pokcetwindow','width=650,height=450,menubar=no,toolbar=no,scrollbars=yes');return false;\"><span class=\"vk_icon_w_r_sns_pocket icon_sns\"><\/span><span class=\"sns_txt\">Pocket<\/span><span class=\"veu_count_sns_pocket\"><\/span><\/a><\/li><li class=\"sb_copy sb_icon\"><button class=\"copy-button sb_icon_inner\"data-clipboard-text=\"LEGO EV3 MINDSTORMS by \u72ec\u308a\u8a00\u304f\u3093 https:\/\/mindstorms.tokyo\/en\/advanced\/bluetooth-connection-block\/\"><span class=\"vk_icon_w_r_sns_copy icon_sns\"><i class=\"fas fa-copy\"><\/i><\/span><span class=\"sns_txt\">Copy<\/span><\/button><\/li><\/ul><\/div><!-- [ \/.socialSet ] -->","protected":false},"excerpt":{"rendered":"<p>MINDSTORMS &#8220;Bluetooth Connection Block&#8221; Explanation<\/p>\n","protected":false},"author":1,"featured_media":2383,"parent":2696,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"en_US","_original_post":"https:\/\/mindstorms.tokyo\/?page_id=2379","vkexunit_cta_each_option":""},"_links":{"self":[{"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/pages\/2779"}],"collection":[{"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/comments?post=2779"}],"version-history":[{"count":6,"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/pages\/2779\/revisions"}],"predecessor-version":[{"id":2828,"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/pages\/2779\/revisions\/2828"}],"up":[{"embeddable":true,"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/pages\/2696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/media\/2383"}],"wp:attachment":[{"href":"https:\/\/mindstorms.tokyo\/wp-json\/wp\/v2\/media?parent=2779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}