{"id":33051,"date":"2023-04-21T23:51:05","date_gmt":"2023-04-22T04:51:05","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-homemade-ultrasonic-sensor\/"},"modified":"2025-01-21T03:38:54","modified_gmt":"2025-01-21T08:38:54","slug":"how-to-make-homemade-ultrasonic-sensor","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/ko\/how-to-make-homemade-ultrasonic-sensor\/","title":{"rendered":"\ucd08\uc74c\ud30c \uc13c\uc11c, \uc9d1\uc5d0\uc11c \ub9cc\ub4e4\uc5b4\ubcf4\uc790! (DIY \uac00\uc774\ub4dc)"},"content":{"rendered":"<p>\ucd08\uc74c\ud30c \uc13c\uc11c\ub294 \uac70\ub9ac\ub97c \uce21\uc815\ud558\uac70\ub098 \ubb3c\uccb4\ub97c \uac10\uc9c0\ud558\ub294 \ub370 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4.  \uc0c1\uc6a9 \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\ub294 \uac83 \uc678\uc5d0\ub3c4, \uac04\ub2e8\ud55c \ubd80\ud488\ub4e4\uc744 \uc774\uc6a9\ud558\uc5ec \uc9c1\uc811 \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \uc81c\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc9d1\uc5d0\uc11c \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud544\uc694\ud55c \ubd80\ud488<\/h3>\n<p>\ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubd80\ud488\uc774 \ud544\uc694\ud569\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<th>\uc608\uc2dc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ucd08\uc74c\ud30c \uc1a1\uc2e0\uae30<\/td>\n<td>\ucd08\uc74c\ud30c\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \ubd80\ud488<\/td>\n<td>40kHz \ucd08\uc74c\ud30c \uc13c\uc11c<\/td>\n<\/tr>\n<tr>\n<td>\ucd08\uc74c\ud30c \uc218\uc2e0\uae30<\/td>\n<td>\ucd08\uc74c\ud30c\ub97c \uac10\uc9c0\ud558\ub294 \ubd80\ud488<\/td>\n<td>40kHz \ucd08\uc74c\ud30c \uc13c\uc11c<\/td>\n<\/tr>\n<tr>\n<td>\ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec<\/td>\n<td>\uc13c\uc11c\ub97c \uc81c\uc5b4\ud558\uace0 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \ubd80\ud488<\/td>\n<td>Arduino Uno<\/td>\n<\/tr>\n<tr>\n<td>\uc800\ud56d<\/td>\n<td>\ud68c\ub85c\uc758 \uc804\ub958\ub97c \uc81c\ud55c\ud558\ub294 \ubd80\ud488<\/td>\n<td>220\u03a9, 10k\u03a9<\/td>\n<\/tr>\n<tr>\n<td>\ucf58\ub374\uc11c<\/td>\n<td>\uc804\uae30 \uc2e0\ud638\ub97c \uc800\uc7a5\ud558\ub294 \ubd80\ud488<\/td>\n<td>100nF<\/td>\n<\/tr>\n<tr>\n<td>\uc810\ud37c \uc640\uc774\uc5b4<\/td>\n<td>\ubd80\ud488\ub4e4\uc744 \uc5f0\uacb0\ud558\ub294 \uc804\uc120<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\ube0c\ub808\ub4dc\ubcf4\ub4dc<\/td>\n<td>\ud68c\ub85c\ub97c \uad6c\uc131\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ubcf4\ub4dc<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\ud68c\ub85c \uad6c\uc131<\/h3>\n<p>\uc704\uc5d0\uc11c \uc900\ube44\ud55c \ubd80\ud488\ub4e4\uc744 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5f0\uacb0\ud558\uc5ec \ud68c\ub85c\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4.  \ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec\uc758 \ub514\uc9c0\ud138 \ud540\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd08\uc74c\ud30c \uc1a1\uc2e0\uae30\ub97c \uc81c\uc5b4\ud558\uace0, \ucd08\uc74c\ud30c \uc218\uc2e0\uae30\uc758 \ucd9c\ub825\uc744 \uc544\ub0a0\ub85c\uadf8 \ud540\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc800\ud56d\uacfc \ucf58\ub374\uc11c\ub294 \ud544\uc694\uc5d0 \ub530\ub77c \uc801\uc808\ud55c \uac12\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.  \ubcf4\ub2e4 \uc790\uc138\ud55c \ud68c\ub85c\ub3c4\ub294 \uc778\ud130\ub137\uc5d0\uc11c &quot;DIY \ucd08\uc74c\ud30c \uc13c\uc11c \ud68c\ub85c\ub3c4&quot;\ub97c \uac80\uc0c9\ud558\uc5ec \ucc38\uace0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c<\/h3>\n<p>\ud68c\ub85c \uad6c\uc131\uc774 \uc644\ub8cc\ub418\uba74, \ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec\uc5d0 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc5c5\ub85c\ub4dc\ud574\uc57c \ud569\ub2c8\ub2e4.  \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub294 \ucd08\uc74c\ud30c \uc1a1\uc2e0\uae30\ub97c \ud1b5\ud574 \uc9e7\uc740 \ucd08\uc74c\ud30c \ud384\uc2a4\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\uace0, \uc218\uc2e0\uae30\uc5d0 \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc624\ub294 \uc2dc\uac04\uc744 \uce21\uc815\ud558\uc5ec \uac70\ub9ac\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.  \uc544\ub450\uc774\ub178\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \ub2e4\uc74c\uacfc \uac19\uc740 \uc608\uc2dc \ucf54\ub4dc\ub97c \ucc38\uace0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. (\uc2e4\uc81c \ucf54\ub4dc\ub294 \uc0c1\ud669\uc5d0 \ub9de\uac8c \uc218\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.)<\/p>\n<pre><code class=\"language-c++\">const int trigPin = 9;\nconst int echoPin = 10;\n\nlong duration;\nint distance;\n\nvoid setup() {\n  pinMode(trigPin, OUTPUT);\n  pinMode(echoPin, INPUT);\n  Serial.begin(9600);\n}\n\nvoid loop() {\n  digitalWrite(trigPin, LOW);\n  delayMicroseconds(2);\n  digitalWrite(trigPin, HIGH);\n  delayMicroseconds(10);\n  digitalWrite(trigPin, LOW);\n\n  duration = pulseIn(echoPin, HIGH);\n  distance = duration * 0.034 \/ 2;\n\n  Serial.print(\"Distance: \");\n  Serial.print(distance);\n  Serial.println(\" cm\");\n\n  delay(100);\n}<\/code><\/pre>\n<h3>\ud14c\uc2a4\ud2b8 \ubc0f \ubcf4\uc815<\/h3>\n<p>\uc81c\uc791\ud55c \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \ud14c\uc2a4\ud2b8\ud558\uace0 \ubcf4\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.  \uc54c\uace0 \uc788\ub294 \uac70\ub9ac\uc758 \ubb3c\uccb4\ub97c \uc774\uc6a9\ud558\uc5ec \uce21\uc815\uac12\uc744 \ud655\uc778\ud558\uace0, \ud544\uc694\uc5d0 \ub530\ub77c \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \uacc4\uc0b0\uc2dd\uc744 \uc870\uc815\ud569\ub2c8\ub2e4.  \uc628\ub3c4\ub098 \uc2b5\ub3c4\uc640 \uac19\uc740 \ud658\uacbd \uc694\uc778\uc774 \uce21\uc815\uac12\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc73c\ubbc0\ub85c, \ub2e4\uc591\ud55c \ud658\uacbd\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ucc98\ub7fc \uac04\ub2e8\ud55c \ubd80\ud488\uacfc \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc774\uc6a9\ud558\uc5ec \uc9d1\uc5d0\uc11c\ub3c4 \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \uc81c\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.  \uc81c\uc791 \uacfc\uc815\uc744 \ud1b5\ud574 \ucd08\uc74c\ud30c \uc13c\uc11c\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\uace0, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ud65c\uc6a9\ud560 \uc218 \uc788\ub294 \uae30\ubc18\uc744 \ub2e4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.  \ub354 \ubcf5\uc7a1\ud55c \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub824\uba74 \ucd94\uac00\uc801\uc778 \uc5f0\uad6c\uc640 \uc2e4\ud5d8\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucd08\uc74c\ud30c \uc13c\uc11c\ub294 \uac70\ub9ac\ub97c \uce21\uc815\ud558\uac70\ub098 \ubb3c\uccb4\ub97c \uac10\uc9c0\ud558\ub294 \ub370 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc0c1\uc6a9 \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\ub294 \uac83 \uc678\uc5d0\ub3c4, \uac04\ub2e8\ud55c \ubd80\ud488\ub4e4\uc744 \uc774\uc6a9\ud558\uc5ec \uc9c1\uc811 \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \uc81c\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc9d1\uc5d0\uc11c \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud544\uc694\ud55c \ubd80\ud488 \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubd80\ud488\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ubd80\ud488 \uc124\uba85 \uc608\uc2dc \ucd08\uc74c\ud30c \uc1a1\uc2e0\uae30 \ucd08\uc74c\ud30c\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \ubd80\ud488 40kHz \ucd08\uc74c\ud30c \uc13c\uc11c<\/p>\n","protected":false},"author":1,"featured_media":26466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6409],"tags":[],"class_list":["post-33051","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\/33051","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=33051"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts\/33051\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media\/26466"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media?parent=33051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/categories?post=33051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/tags?post=33051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}