{"id":38386,"date":"2023-04-21T13:50:18","date_gmt":"2023-04-21T18:50:18","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-ultrasonic-speaker\/"},"modified":"2025-01-21T03:30:18","modified_gmt":"2025-01-21T08:30:18","slug":"diy-ultrasonic-speaker","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/ko\/diy-ultrasonic-speaker\/","title":{"rendered":"\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4, \uc9d1\uc5d0\uc11c \uc9c1\uc811 \ub9cc\ub4e4\uc5b4\ubcf4\ub294 \ud2b9\ubcc4\ud55c \uacbd\ud5d8"},"content":{"rendered":"<p>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub294 \uc0ac\ub78c\uc758 \uadc0\uc5d0\ub294 \ub4e4\ub9ac\uc9c0 \uc54a\ub294 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uc18c\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815\ud55c \ubaa9\uc801\uc744 \ub2ec\uc131\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.  DIY \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4 \uc81c\uc791\uc740 \uc0dd\uac01\ubcf4\ub2e4 \uac04\ub2e8\ud558\uba70, \ud544\uc694\ud55c \ubd80\ud488\uacfc \uc57d\uac04\uc758 \uc804\uc790 \uc9c0\uc2dd\ub9cc \uc788\uc73c\uba74 \ub204\uad6c\ub4e0 \ub3c4\uc804\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\uc758 \uc6d0\ub9ac\uc640 DIY \uc81c\uc791 \ubc29\ubc95, \uadf8\ub9ac\uace0 \uc8fc\uc758\uc0ac\ud56d\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\uc758 \uc6d0\ub9ac<\/h3>\n<p>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub294 \uc77c\ubc18 \uc2a4\ud53c\ucee4\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc804\uae30 \uc2e0\ud638\ub97c \uc18c\ub9ac\ub85c \ubcc0\ud658\ud558\ub294 \uc6d0\ub9ac\ub97c \uc774\uc6a9\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc77c\ubc18 \uc2a4\ud53c\ucee4\uc640 \ub2ec\ub9ac, \uc778\uac04\uc774 \ub4e4\uc744 \uc218 \uc5c6\ub294 20kHz \uc774\uc0c1\uc758 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uc18c\ub9ac\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \ud2b9\uc218\ud55c \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucd08\uc74c\ud30c\ub294 \ud2b9\uc815 \ub3d9\ubb3c\uc5d0\uac8c \uc601\ud5a5\uc744 \uc8fc\uac70\ub098, \uac70\ub9ac\ub97c \uce21\uc815\ud558\ub294 \ub4f1 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud544\uc694\ud55c \ubd80\ud488<\/h3>\n<p>DIY \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4 \uc81c\uc791\uc5d0 \ud544\uc694\ud55c \ubd80\ud488\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\ubd80\ud488<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ucd08\uc74c\ud30c \ud2b8\ub79c\uc2a4\ub4c0\uc11c<\/td>\n<td>\ucd08\uc74c\ud30c\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \ud575\uc2ec \ubd80\ud488<\/td>\n<\/tr>\n<tr>\n<td>NPN \ud2b8\ub79c\uc9c0\uc2a4\ud130 (\uc608: 2N2222)<\/td>\n<td>\ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub97c \uad6c\ub3d9\ud558\uae30 \uc704\ud55c \uc99d\ud3ed \uc7a5\uce58<\/td>\n<\/tr>\n<tr>\n<td>\uc800\ud56d (1k\u03a9, 10k\u03a9)<\/td>\n<td>\ud68c\ub85c\uc758 \uc804\ub958\ub97c \uc81c\uc5b4<\/td>\n<\/tr>\n<tr>\n<td>\ucf58\ub374\uc11c (100nF)<\/td>\n<td>\ub178\uc774\uc988\ub97c \uc81c\uac70<\/td>\n<\/tr>\n<tr>\n<td>\ube0c\ub808\ub4dc\ubcf4\ub4dc \ub610\ub294 PCB<\/td>\n<td>\ubd80\ud488\uc744 \uc5f0\uacb0\ud558\ub294 \uae30\ud310<\/td>\n<\/tr>\n<tr>\n<td>\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 (9V \ubc30\ud130\ub9ac \ub4f1)<\/td>\n<td>\uc804\uc6d0 \uacf5\uae09<\/td>\n<\/tr>\n<tr>\n<td>\uc810\ud37c \uc640\uc774\uc5b4<\/td>\n<td>\ubd80\ud488 \uc5f0\uacb0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\ud68c\ub85c \uad6c\uc131 \ubc0f \uc81c\uc791<\/h3>\n<p>\uc900\ube44\ub41c \ubd80\ud488\uc744 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5f0\uacb0\ud558\uc5ec \ud68c\ub85c\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4.  \ud2b8\ub79c\uc9c0\uc2a4\ud130\uc758 \ubca0\uc774\uc2a4\uc5d0\ub294 10k\u03a9 \uc800\ud56d\uc744 \uc5f0\uacb0\ud558\uace0, \uceec\ub809\ud130\uc5d0\ub294 \ucd08\uc74c\ud30c \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc5d0\ubbf8\ud130\ub294 GND\uc5d0 \uc5f0\uacb0\ud558\uace0,  1k\u03a9 \uc800\ud56d\uc744 \ud1b5\ud574 9V \uc804\uc6d0\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4.  \ud2b8\ub79c\uc2a4\ub4c0\uc11c\uc640 \ubcd1\ub82c\ub85c 100nF \ucf58\ub374\uc11c\ub97c \uc5f0\uacb0\ud558\uc5ec \ub178\uc774\uc988\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.  \ub354\uc6b1 \uc548\uc815\uc801\uc778 \uc791\ub3d9\uc744 \uc704\ud574\uc11c\ub294 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ucc38\uace0\ud558\uc5ec \ubd80\ud488 \uac12\uc744 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud14c\uc2a4\ud2b8 \ubc0f \uc751\uc6a9<\/h3>\n<p>\uc81c\uc791\uc774 \uc644\ub8cc\ub418\uba74 9V \uc804\uc6d0\uc744 \uc5f0\uacb0\ud558\uc5ec \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4.  \ucd08\uc74c\ud30c\ub294 \uc0ac\ub78c\uc758 \uadc0\ub85c \ub4e4\uc744 \uc218 \uc5c6\uc73c\ubbc0\ub85c, \uc2a4\ub9c8\ud2b8\ud3f0\uc758 \ucd08\uc74c\ud30c \ud0d0\uc9c0 \uc571\uc744 \uc774\uc6a9\ud558\uc5ec \uc791\ub3d9 \uc5ec\ubd80\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.  \uc81c\uc791\ud55c \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub294 \ud574\ucda9 \ud1f4\uce58, \uac70\ub9ac \uce21\uc815, \ucd08\uc74c\ud30c \uc138\ucc99 \ub4f1 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.  \ud2b9\uc815 \ubaa9\uc801\uc5d0 \ub9de\ucdb0 \ud68c\ub85c\ub97c \ubcc0\uacbd\ud558\uac70\ub098 \ucd94\uac00\uc801\uc778 \ubd80\ud488\uc744 \uc0ac\uc6a9\ud574\uc57c \ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uc758\uc0ac\ud56d<\/h3>\n<p>\ucd08\uc74c\ud30c\ub294 \uc778\uac04\uc5d0\uac8c \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \uc8fc\uc9c0\ub294 \uc54a\uc9c0\ub9cc,  \uc7a5\uc2dc\uac04  \uace0\ucd9c\ub825 \ucd08\uc74c\ud30c\uc5d0 \ub178\ucd9c\ub418\ub294 \uac83\uc740  \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4. \ud2b9\ud788,  \uace0\ucd9c\ub825 \ucd08\uc74c\ud30c \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0\uc5d0\ub294 \ub354\uc6b1 \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.  \ub610\ud55c, \ud2b9\uc815 \ub3d9\ubb3c\uc5d0\uac8c\ub294 \ucd08\uc74c\ud30c\uac00 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc0ac\uc6a9\uc5d0 \uc8fc\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4 DIY\ub294 \uc804\uc790 \uacf5\ud559\uc5d0 \ub300\ud55c \uae30\ucd08\uc801\uc778 \uc774\ud574\ub97c \ub192\uc774\uace0, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\ub97c \ud0d0\uad6c\ud560 \uc218 \uc788\ub294 \uc88b\uc740 \uae30\ud68c\uc785\ub2c8\ub2e4. \uc548\uc804 \uc218\uce59\uc744 \uc900\uc218\ud558\uace0,  \ucc3d\uc758\uc801\uc778 \uc544\uc774\ub514\uc5b4\ub97c \ub354\ud558\uc5ec \uc790\uc2e0\ub9cc\uc758 \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub97c \ub9cc\ub4e4\uc5b4\ubcf4\uc138\uc694.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub294 \uc0ac\ub78c\uc758 \uadc0\uc5d0\ub294 \ub4e4\ub9ac\uc9c0 \uc54a\ub294 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uc18c\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815\ud55c \ubaa9\uc801\uc744 \ub2ec\uc131\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. DIY \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4 \uc81c\uc791\uc740 \uc0dd\uac01\ubcf4\ub2e4 \uac04\ub2e8\ud558\uba70, \ud544\uc694\ud55c \ubd80\ud488\uacfc \uc57d\uac04\uc758 \uc804\uc790 \uc9c0\uc2dd\ub9cc \uc788\uc73c\uba74 \ub204\uad6c\ub4e0 \ub3c4\uc804\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\uc758 \uc6d0\ub9ac\uc640 DIY \uc81c\uc791 \ubc29\ubc95, \uadf8\ub9ac\uace0 \uc8fc\uc758\uc0ac\ud56d\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\uc758 \uc6d0\ub9ac \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub294 \uc77c\ubc18 \uc2a4\ud53c\ucee4\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc804\uae30 \uc2e0\ud638\ub97c \uc18c\ub9ac\ub85c \ubcc0\ud658\ud558\ub294<\/p>\n","protected":false},"author":1,"featured_media":26478,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6409],"tags":[],"class_list":["post-38386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts\/38386","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/comments?post=38386"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts\/38386\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media\/26478"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media?parent=38386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/categories?post=38386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/tags?post=38386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}