{"id":393,"date":"2020-04-10T19:15:50","date_gmt":"2020-04-10T19:15:50","guid":{"rendered":"http:\/\/www.linuxsystems.ovh\/?p=393"},"modified":"2021-10-17T13:00:34","modified_gmt":"2021-10-17T13:00:34","slug":"multimeter-uni-t-ut61e-add-bluetooth-module","status":"publish","type":"post","link":"https:\/\/www.linuxsystems.ovh\/?p=393","title":{"rendered":"Multimeter UNI-T UT61E add Bluetooth module"},"content":{"rendered":"\n<p>Hi, this is first post I try to write in english, sorry for my bad english.<br>Today I write about my UNI-T UT61E multimeter. This have a UART cable to connect with computer, and then we can save us results, but&#8230; On my desk I don`t have a place for cable&#8230; and then I thought I colud make &#8222;wireless cable&#8221; via bluetooth, and it works.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>I started with schematic:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/bucket.linuxsystems.ovh\/UT61EBluetooth\/schema.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>Schematic is very simple, I was afraid I would have to use MAX232N (because I don`t have it), but here is unnecessary \ud83d\ude42 .  <\/p>\n\n\n\n<p>I use:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>1 transistor 2N7000<\/li><li>1 Resistor 2,2k\u03a9<\/li><li>Bluetooth HC-05<\/li><li>Male connector DB9<\/li><li>2x 118650 AKU<\/li><li>box for 2x 118650 ( in series, because I have only this )<\/li><li>1 step-down DC DC LM2596 converter<\/li><\/ul>\n\n\n\n<p>With tools I use:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>RS232 USB converter (in example this: <a href=\"https:\/\/www.linuxsystems.ovh\/?p=339\">PL2303HX<\/a> ) for change Bluetooth settings.<\/li><\/ul>\n\n\n\n<p>To do this I must change HC-05 UART settings, this make with <code>AT+UART=19200,1,0<\/code> command, and then you can change name and password at your discretion.<br>After this I must change step-down DC DC LM2596 converter to 5V on output (in the input is 2&#215;118650 Aku \ud83d\ude42 ), and then I must connect this as a schematics, and it works \ud83d\ude42<\/p>\n\n\n\n<p>After connection, and power this, it works simply \ud83d\ude42<\/p>\n\n\n\n<p>Photo:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/bucket.linuxsystems.ovh\/UT61EBluetooth\/photo1.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p><p>Video:<\/p>\n\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/UdsAReLu9zk\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe><\/p>\n\n\n\n<p>Sources, which help me to realize this project:<br><a href=\"http:\/\/www.starlino.com\/uni-t-ut61e-multimiter-serial-protocol-reverse-engineering.html\">http:\/\/www.starlino.com\/uni-t-ut61e-multimiter-serial-protocol-reverse-engineering.html<\/a><br><a href=\"http:\/\/blog.avrnoob.com\/2014\/03\/uni-t-ut61e-rs232-serial-interface.html\">http:\/\/blog.avrnoob.com\/2014\/03\/uni-t-ut61e-rs232-serial-interface.html<\/a><br><a href=\"http:\/\/kiedontaa.blogspot.com\/2016\/02\/bluetooth-adapter-for-uni-t-ut61e.html\">http:\/\/kiedontaa.blogspot.com\/2016\/02\/bluetooth-adapter-for-uni-t-ut61e.html<\/a><\/p>\n\n\n\n<p>Please leave comment \ud83d\ude09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi, this is first post I try to write in english, sorry for my bad english.Today I write about my UNI-T UT61E multimeter. This have a UART cable to connect with computer, and then we can save us results, but&#8230; On my desk I don`t have a place for cable&#8230; and then I thought I &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.linuxsystems.ovh\/?p=393\" class=\"more-link\">Czytaj dalej<span class=\"screen-reader-text\"> \u201eMultimeter UNI-T UT61E add Bluetooth module\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-393","post","type-post","status-publish","format-standard","hentry","category-elektronika"],"_links":{"self":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts\/393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=393"}],"version-history":[{"count":12,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions"}],"predecessor-version":[{"id":497,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions\/497"}],"wp:attachment":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}