{"id":6416,"date":"2025-12-04T15:27:05","date_gmt":"2025-12-04T07:27:05","guid":{"rendered":"https:\/\/meskernel.net\/?p=6416"},"modified":"2025-12-17T17:51:07","modified_gmt":"2025-12-17T09:51:07","slug":"%eb%a0%88%ec%9d%b4%ec%a0%80-%ea%b1%b0%eb%a6%ac-%ec%84%bc%ec%84%9c%eb%a5%bc-%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8%ec%97%90-%ec%97%b0%ea%b2%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/meskernel.net\/ko\/how-to-connect-a-laser-distance-sensor-to-arduino\/","title":{"rendered":"\ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\ub97c \uc544\ub450\uc774\ub178\uc5d0 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p>\ub808\uc774\uc800 \uc5f0\uacb0 \ubc29\ubc95\uc744 \ubc30\uc6b0\uace0 \uc2f6\ub2e4\uba74 <a href=\"https:\/\/meskernel.net\/ko\/products\/\">\uac70\ub9ac \uc13c\uc11c<\/a> \uc5d0 <a href=\"https:\/\/meskernel.net\/ko\/arduino-laser-distance-modules\/\">\uc544\ub450\uc774\ub178<\/a>, \uc774 \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc\ub294 LDJ\ub97c \uc5f0\uacb0\ud558\uace0 \uad6c\uc131\ud558\ub294 \ubc29\ubc95\uc744 \uc815\ud655\ud558\uac8c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/%ec%82%b0%ec%97%85%ec%9a%a9-%eb%a0%88%ec%9d%b4%ec%a0%80-%ea%b1%b0%eb%a6%ac-%ec%84%bc%ec%84%9c\/\">\uc0b0\uc5c5\uc6a9 \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c<\/a>. \uc774 \uc790\uc2b5\uc11c\uc5d0\uc11c\ub294 \ub2e4\uc74c\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/usart-vs-uart\/\">UART<\/a> \ubc30\uc120, I\u00b2C \ubc30\uc120 \ucc38\uace0 \uc0ac\ud56d, \uc804\uc555 \ub808\ubca8 \uace0\ub824 \uc0ac\ud56d, Arduino UNO\/Mega\/ESP32 \ucc28\uc774\uc810, \uc0d8\ud50c \ucf54\ub4dc \ubc0f \ubb38\uc81c \ud574\uacb0 \ud301\uc744 \uc0b4\ud3b4\ubcf4\uc138\uc694.<\/p>\n\n\n\n<p>\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc774 \ub05d\ub098\uba74 \uc62c\ubc14\ub978 \uc544\ub450\uc774\ub178\uc5d0 \ub300\ud574 \uc644\uc804\ud788 \uc774\ud574\ud558\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/laser-distance-tech\/\">\ub808\uc774\uc800 \uac70\ub9ac<\/a> \uc13c\uc11c \uc5f0\uacb0 \ubc0f \uc7a5\uac70\ub9ac \ub808\uc774\uc800 \ubaa8\ub4c8\uc744 \uc704\ud55c \uc644\ubcbd\ud55c \ubc30\uc120 \ud504\ub85c\uc138\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image alignleft size-full is-resized\"><img data-dominant-color=\"c3cbc8\" data-has-transparency=\"false\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor.webp\" alt=\"\" class=\"wp-image-6422 not-transparent\" style=\"--dominant-color: #c3cbc8; width:482px;height:auto\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor.webp 800w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor-300x300.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor-150x150.webp 150w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor-768x768.webp 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor-12x12.webp 12w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor-400x400.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/LDJ-laser-distance-sensor-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>1. \ud544\uc694\ud55c \uac83<\/strong><\/h1>\n\n\n\n<p>Arduino\ub85c LDJ\ub97c \uc124\uc815\ud558\ub824\uba74 \uc900\ube44\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/meskernel.net\/ko\/product\/outdoor-laser-distance-sensor\/\">LDJ \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c<\/a><\/li>\n\n\n\n<li>\uc544\ub450\uc774\ub178 UNO \/ \uc544\ub450\uc774\ub178 \uba54\uac00 \/ <a href=\"https:\/\/meskernel.net\/ko\/esp32-laser-distance-sensor\/\">ESP32<\/a><\/li>\n\n\n\n<li>\uc810\ud37c \uc640\uc774\uc5b4<\/li>\n\n\n\n<li>3.3V \u2194 5V \ub808\ubca8 \uc2dc\ud504\ud130(UNO\/Mega\uc5d0 \ud544\uc694)<\/li>\n\n\n\n<li>USB \ucf00\uc774\ube14<\/li>\n\n\n\n<li>\uc635\uc158: \ube0c\ub808\ub4dc\ubcf4\ub4dc<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>LDJ\uc758 \uc8fc\uc694 \uc804\uae30\uc801 \ud2b9\uc9d5<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>UART(TTL 3.3V)<\/strong> \ucee4\ubba4\ub2c8\ucf00\uc774\uc158<\/li>\n\n\n\n<li><strong>\ub2e4\uc911 \uc8fc\uc18c\ub97c \uc9c0\uc6d0\ud558\ub294 I\u00b2C<\/strong><\/li>\n\n\n\n<li><strong>3.3V I\/O \ub85c\uc9c1<\/strong><\/li>\n\n\n\n<li><strong>EN \/ PWREN_z \ud65c\uc131\ud654 \ud540<\/strong><\/li>\n\n\n\n<li><strong>\ud384\uc2a4 \uae30\ubc18 \uc7a5\uac70\ub9ac <a href=\"https:\/\/meskernel.net\/ko\/laser-measurement\/\">\ub808\uc774\uc800 \uce21\uc815<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p>\uc13c\uc11c\uc758 UART \uc778\ud130\ud398\uc774\uc2a4\ub294 <strong>3.3V<\/strong>, 5V \uc544\ub450\uc774\ub178 \ubcf4\ub4dc\uc5d0\uc11c\ub294 \ub808\ubca8 \uc2dc\ud504\ud305\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>2. LDJ\uc6a9 UART\uc640 I\u00b2C<\/strong><\/h1>\n\n\n\n<p>LDJ\ub294 \ub450 \uac00\uc9c0 \ud1b5\uc2e0 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>UART(\uad8c\uc7a5)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac04\ub2e8\ud55c \ubc30\uc120<\/li>\n\n\n\n<li>\uc7a5\uac70\ub9ac \uc548\uc815\uc801\uc778 \uc804\uc1a1<\/li>\n\n\n\n<li>\uae30\ubcf8 \uc791\uc5c5 \ubaa8\ub4dc<\/li>\n\n\n\n<li>\uc2e4\uc2dc\uac04 \uc7a5\uac70\ub9ac \uce21\uc815\uc5d0 \uc801\ud569<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I\u00b2C<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc8fc\uc18c \ubc94\uc704 0x00-0x7E \uc9c0\uc6d0<\/li>\n\n\n\n<li>\uba40\ud2f0 \uc13c\uc11c \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569<\/li>\n\n\n\n<li>\ucd94\uac00 \ub808\uc9c0\uc2a4\ud130 \ucee8\ud2b8\ub864\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\ub300\ubd80\ubd84\uc758 \uc544\ub450\uc774\ub178 \uc0ac\uc6a9\uc790\uc5d0\uac8c\ub294 UART\uac00 \uac00\uc7a5 \uc27d\uace0 \uc548\uc815\uc801\uc778 \uc5f0\uacb0 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>3. \uae30\ubcf8 \ubc30\uc120: VCC\/GND\/RX\/ TX<\/strong><\/h1>\n\n\n\n<p>\ub808\uc774\uc800 \uc13c\uc11c\ub97c \uc544\ub450\uc774\ub178\uc5d0 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ubaa9\ud45c\ub77c\uba74 \ud45c\uc900 UART \ud540 \ub9e4\ud551\ubd80\ud130 \uc2dc\uc791\ud558\uc138\uc694:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>LDJ \ud540<\/th><th>\uae30\ub2a5<\/th><th>\uc544\ub450\uc774\ub178 \ud540<\/th><\/tr><\/thead><tbody><tr><td>VCC<\/td><td>\uc804\uc6d0 \uc785\ub825<\/td><td>5V \ub610\ub294 3.3V<\/td><\/tr><tr><td>GND<\/td><td>Ground<\/td><td>GND<\/td><\/tr><tr><td>TXD<\/td><td>\uc13c\uc11c \u2192 \uc544\ub450\uc774\ub178 \ub370\uc774\ud130<\/td><td>RX<\/td><\/tr><tr><td>RXD<\/td><td>\uc544\ub450\uc774\ub178 \u2192 \uc13c\uc11c \ub370\uc774\ud130<\/td><td>TX(3.3V \ud544\uc694)<\/td><\/tr><tr><td>EN \/ PWREN_z<\/td><td>\ubaa8\ub4c8 \ud65c\uc131\ud654<\/td><td>3.3V \ub610\ub294 GPIO HIGH<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"284\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/11\/laser-distance-senso-1024x284.jpg\" alt=\"\ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\" class=\"wp-image-2958\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/11\/laser-distance-senso-1024x284.jpg 1024w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/11\/laser-distance-senso-300x83.jpg 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/11\/laser-distance-senso-768x213.jpg 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/11\/laser-distance-senso-400x111.jpg 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/11\/laser-distance-senso.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\uc911\uc694:<\/strong><\/h3>\n\n\n\n<p>LDJ\ub294 3.3V UART \ub85c\uc9c1\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc544\ub450\uc774\ub178 UNO\/Mega TX(5V) \u2192 <em>\ub808\ubca8 \uc2dc\ud504\ud2b8\uac00 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/em><\/li>\n\n\n\n<li>ESP32(3.3V) \u2192 <em>\uc9c1\uc811 \uc5f0\uacb0 \uac00\ub2a5<\/em><\/li>\n<\/ul>\n\n\n\n<p>\uc774\ub294 \uc548\uc804\ud558\uace0 \uc548\uc815\uc801\uc778 \uc544\ub450\uc774\ub178\ub97c \uc704\ud55c \ud575\uc2ec \uc694\uad6c \uc0ac\ud56d\uc785\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/advantages-of-laser-distance-sensor\/\">\ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c<\/a> \uc5f0\uacb0.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>4. LDJ\ub97c \uc544\ub450\uc774\ub178 UNO\uc5d0 \ubc30\uc120\ud558\uae30<\/strong><\/h1>\n\n\n\n<p>UNO\ub294 5V \ub85c\uc9c1 \ub808\ubca8\uacfc \ub2e8 \ud558\ub098\uc758 \ud558\ub4dc\uc6e8\uc5b4 \uc9c1\ub82c \ud3ec\ud2b8(USB\uc5d0 \uc5f0\uacb0)\ub9cc \uc0ac\uc6a9\ud558\ubbc0\ub85c SoftwareSerial\uc744 \uc0ac\uc6a9\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>LDJ \u2192 \uc544\ub450\uc774\ub178 UNO \ubc30\uc120\ub3c4<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>LDJ<\/th><th>\uc544\ub450\uc774\ub178 UNO<\/th><\/tr><\/thead><tbody><tr><td>VCC<\/td><td>5V<\/td><\/tr><tr><td>GND<\/td><td>GND<\/td><\/tr><tr><td>TXD<\/td><td>D8(\uc18c\ud504\ud2b8\uc6e8\uc5b4 RX)<\/td><\/tr><tr><td>RXD<\/td><td>D9(\ub808\ubca8 \uc774\ub3d9)<\/td><\/tr><tr><td>EN\/PWREN_z<\/td><td>3.3V \ub610\ub294 D7(HIGH)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uc804\uc555 \ub808\ubca8 \ubcc0\ud658<\/h3>\n\n\n\n<p>UNO TX \u2192 LDJ RXD\uc5d0 \uc800\ud56d \ubd84\ubc30\uae30\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R1 = 10k\u03a9<\/li>\n\n\n\n<li>R2 = 20k\u03a9<\/li>\n<\/ul>\n\n\n\n<p>5V\ub97c \uc548\uc804\ud55c 3.3V\ub85c \ub0ae\ucda5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"dbcfd0\" data-has-transparency=\"false\" style=\"--dominant-color: #dbcfd0;\" decoding=\"async\" width=\"1024\" height=\"520\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ-1024x520.webp\" alt=\"\" class=\"wp-image-5793 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ-1024x520.webp 1024w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ-300x152.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ-768x390.webp 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ-1536x779.webp 1536w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ-18x9.webp 18w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ-400x203.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/08\/LDJ.webp 1906w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>5. LDJ\ub97c \uc544\ub450\uc774\ub178 \uba54\uac00\uc5d0 \ubc30\uc120\ud558\uae30<\/strong><\/h1>\n\n\n\n<p>\uc544\ub450\uc774\ub178 \uba54\uac00\uc5d0\ub294 \uc5ec\ub7ec \ud558\ub4dc\uc6e8\uc5b4 \uc9c1\ub82c \ud3ec\ud2b8\uac00 \uc81c\uacf5\ub418\uba70 \uace0\uc18d\uc758 \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc744 \uc704\ud574 \uad8c\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ubc30\uc120 \ud14c\uc774\ube14(\ud558\ub4dc\uc6e8\uc5b4 \uc9c1\ub82c 1)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>LDJ<\/th><th>\uc544\ub450\uc774\ub178 \uba54\uac00<\/th><\/tr><\/thead><tbody><tr><td>VCC<\/td><td>5V<\/td><\/tr><tr><td>GND<\/td><td>GND<\/td><\/tr><tr><td>TXD<\/td><td>RX1(\ud540 19)<\/td><\/tr><tr><td>RXD<\/td><td>TX1(\ud540 18, \ub808\ubca8 \uc2dc\ud504\ud2b8)<\/td><\/tr><tr><td>EN\/PWREN_z<\/td><td>3.3V \ub610\ub294 GPIO \ud540<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Mega\ub294 \ub192\uc740 \uc804\uc1a1 \uc18d\ub3c4 \uc2e0\ud638\uc640 \uc7a5\uac70\ub9ac \uc13c\uc11c\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>6. LDJ\ub97c ESP32\uc5d0 \ubc30\uc120\ud558\uae30(\ucd5c\uc0c1\uc758 \ud638\ud658\uc131)<\/strong><\/h1>\n\n\n\n<p>ESP32\ub294 3.3V \ub85c\uc9c1\uc73c\ub85c \uc2e4\ud589\ub418\ubbc0\ub85c LDJ\uc640 \uac00\uc7a5 \uc798 \uc5b4\uc6b8\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>LDJ \u2192 ESP32 \ubc30\uc120<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>LDJ<\/th><th>ESP32<\/th><\/tr><\/thead><tbody><tr><td>VCC<\/td><td>5V \ub610\ub294 3.3V<\/td><\/tr><tr><td>GND<\/td><td>GND<\/td><\/tr><tr><td>TXD<\/td><td>GPIO16(RX)<\/td><\/tr><tr><td>RXD<\/td><td>GPIO17(TX)<\/td><\/tr><tr><td>EN\/PWREN_z<\/td><td>3.3V \ub610\ub294 HIGH<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ub808\ubca8 \uc774\ub3d9\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uac83\uc740 \ub808\uc774\uc800 \uc13c\uc11c\ub97c Arduino \ud638\ud658 \ubcf4\ub4dc\uc5d0 \ubc30\uc120\ud558\ub294 \uac00\uc7a5 \uc548\uc815\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>7. LDJ(UART)\uc6a9 \uc544\ub450\uc774\ub178 \ucf54\ub4dc \uc608\uc81c<\/strong><\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code>#\ud3ec\ud568 \n\n\ud558\ub4dc\uc6e8\uc5b4 \uc2dc\ub9ac\uc5bc \ub808\uc774\uc800 \uc2dc\ub9ac\uc5bc(1);\n\nvoid setup() {\n  Serial.begin(115200);\n\n  \/\/ ESP32\uc758 \uc608: RX=16, TX=17\n  LaserSerial.begin(115200, SERIAL_8N1, 16, 17);\n\n  Serial.println(\"LDJ \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\uac00 \ucd08\uae30\ud654\ub418\uc5c8\uc2b5\ub2c8\ub2e4.\");\n}\n\nvoid loop() {\n  if (LaserSerial.available()) { {\n    uint8_t b = LaserSerial.read();\n    Serial.print(\"\uc6d0\uc2dc \ubc14\uc774\ud2b8: \");\n    Serial.println(b);\n  }\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>8. I\u00b2C \ubc30\uc120(\uc635\uc158)<\/strong><\/h1>\n\n\n\n<p>LDJ\ub294 0x00\uc5d0\uc11c 0x7E\uae4c\uc9c0 \uc870\uc815 \uac00\ub2a5\ud55c \uc8fc\uc18c\ub85c \uc644\ubcbd\ud55c I\u00b2C\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>I\u00b2C \ud540 \ub9e4\ud551<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>LDJ \uc2e0\ud638<\/th><th>\uae30\ub2a5<\/th><th>\uc544\ub450\uc774\ub178 UNO<\/th><th>Mega<\/th><th>ESP32<\/th><\/tr><\/thead><tbody><tr><td>SDA<\/td><td>\ub370\uc774\ud130<\/td><td>A4<\/td><td>20<\/td><td>GPIO21<\/td><\/tr><tr><td>SCL<\/td><td>\uc2dc\uacc4<\/td><td>A5<\/td><td>21<\/td><td>GPIO22<\/td><\/tr><tr><td>EN\/PWREN_z<\/td><td>\uc0ac\uc6a9<\/td><td>3.3V<\/td><td>3.3V<\/td><td>3.3V<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ucd08\ubcf4\uc790\uc5d0\uac8c\ub294 UART\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4,<br>\ud558\uc9c0\ub9cc \uace0\uae09 \uc0ac\uc6a9\uc790\ub294 LDJ \uad6c\uc131\uc5d0 \ub530\ub77c \ucd94\uac00 I\u00b2C \ub808\uc9c0\uc2a4\ud130\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>9. LDJ \uc544\ub450\uc774\ub178 \uc5f0\uacb0 \ubb38\uc81c \ud574\uacb0\ud558\uae30<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \ub370\uc774\ud130 \ucd9c\ub825 \uc5c6\uc74c<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TXD \ubc0f RXD \ubc18\uc804<br>\u2192 TX\/RX \uc2a4\uc651<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \uc65c\uace1\ub41c \ubb38\uc790<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc798\ubabb\ub41c \uc804\uc1a1 \uc18d\ub3c4<br>\u2192 115200bps \uc0ac\uc6a9<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \uc13c\uc11c\uac00 \uc751\ub2f5\ud558\uc9c0 \uc54a\uc74c<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3.3V RX\uc5d0 5V \uc2e0\ud638 \uc801\uc6a9<br>\u2192 \ub808\ubca8 \uc774\ub3d9 \ud544\uc694<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. UNO \ud1b5\uc2e0 \ubd88\uc548\uc815<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc9c1\ub82c\uc5d0\ub294 \uc81c\ud55c \uc0ac\ud56d\uc774 \uc788\uc2b5\ub2c8\ub2e4.<br>\u2192 \uc544\ub450\uc774\ub178 \uba54\uac00 \ub610\ub294 ESP32 \uc0ac\uc6a9<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. \uc2e4\uc678 \uac70\ub9ac \ubd80\uc871<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub0ae\uc740 \ubc18\uc0ac\uc728 \ub610\ub294 \uc9c1\uc0ac\uad11\uc120<br>\u2192 \ubc18\uc0ac \ud0c0\uac9f \ud50c\ub808\uc774\ud2b8 \uc0ac\uc6a9<\/li>\n<\/ul>\n\n\n\n<p>\uc774\ub7ec\ud55c \uc194\ub8e8\uc158\uc740 \ubc30\uc120\uc758 \ubaa8\ub4e0 \uc77c\ubc18\uc801\uc778 \ubb38\uc81c\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/laser-sensors-for-railway\/\">\ub808\uc774\uc800 \uc13c\uc11c<\/a> \ub97c \uc544\ub450\uc774\ub178\ub85c \uc804\ud658\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>10. \uc544\ub450\uc774\ub178 \ud504\ub85c\uc81d\ud2b8\uc5d0 LDJ\ub97c \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uc774\uc720<\/strong><\/h1>\n\n\n\n<p>LDJ\ub294 \uc0b0\uc5c5 \ub4f1\uae09\uc758 <a href=\"https:\/\/www.youtube.com\/@Meskernelnet\/videos\" target=\"_blank\" rel=\"noopener\">\ub808\uc774\uc800 \uac70\ub9ac \ubaa8\ub4c8<\/a> \uace0\uc815\ubc00, \uc7a5\uac70\ub9ac \uce21\uc815\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>LDJ \uae30\ub2a5<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7a5\uac70\ub9ac \uce21\uc815 \uae30\ub2a5<\/li>\n\n\n\n<li>UART(TTL 3.3V) + I\u00b2C \ub4c0\uc5bc \uc778\ud130\ud398\uc774\uc2a4<\/li>\n\n\n\n<li>\ub2e4\uc911 \uc8fc\uc18c I\u00b2C<\/li>\n\n\n\n<li>EN\/PWREN_z \ud65c\uc131\ud654 \ud540<\/li>\n\n\n\n<li>\ud384\uc2a4 <a href=\"https:\/\/meskernel.net\/ko\/tof-vs-triangulation\/\">TOF<\/a> \uce21\uc815<\/li>\n\n\n\n<li>\uc548\uc815\uc131\uc774 \ub192\uc740 \uc0b0\uc5c5 \ub514\uc790\uc778<\/li>\n\n\n\n<li>\uc544\ub450\uc774\ub178, \uba54\uac00, ESP32\uc5d0 \uc801\ud569<\/li>\n\n\n\n<li>\ub85c\ubd07 \uacf5\ud559, \uc790\ub3d9\ud654\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4, <a href=\"https:\/\/meskernel.net\/ko\/safety-distance-monitoring\/\">AGV<\/a>, <a href=\"https:\/\/meskernel.net\/ko\/lidar\/\">\uce21\ub7c9<\/a>, \ubc0f \ud3ec\uc9c0\uc154\ub2dd<\/li>\n<\/ul>\n\n\n\n<p>LDJ\ub294 \uc77c\ubc18 \uc18c\ube44\uc790\uc6a9 ToF \ubaa8\ub4c8\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \uc815\ud655\ud558\uace0 \uc548\uc815\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\uacb0\ub860<\/strong><\/h1>\n\n\n\n<p>\uc774\uc81c \ub808\uc774\uc800 \uc13c\uc11c\ub97c \uc544\ub450\uc774\ub178\uc5d0 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95, \uc62c\ubc14\ub978 \ub808\uc774\uc800 \uc13c\uc11c\ub97c \uc644\uc131\ud558\ub294 \ubc29\ubc95\uc744 \uc644\uc804\ud788 \uc774\ud574\ud588\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/arduino-laser-distance-sensor\/\">\uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c<\/a> \uc5f0\uacb0, UART \ub610\ub294 I\u00b2C\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub808\uc774\uc800 \uc13c\uc11c\ub97c Arduino\uc5d0 \uc548\uc804\ud558\uac8c \ubc30\uc120\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<br>\uc62c\ubc14\ub978 \ubc30\uc120 \ubc29\ubc95\uacfc 3.3V \ub808\ubca8 \uc548\uc804 \ud1b5\uc2e0\uc744 \uac16\ucd98 LDJ\ub294 Arduino UNO, Mega \ubc0f ESP32\uc5d0\uc11c \uc548\uc815\uc801\uc778 \uc7a5\uac70\ub9ac \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uac70\ub9ac \ub514\ucf54\ub529, \ud544\ud130\ub9c1 \ub610\ub294 \ub2e4\uc911 \uc13c\uc11c \uc124\uc815\uacfc \uac19\uc740 \uace0\uae09 \uc9c0\uce68\uc740 \ucd94\uac00 \uac00\uc774\ub4dc\ub97c \ud1b5\ud574 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\ub97c \uc544\ub450\uc774\ub178\uc5d0 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c FAQ<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<ol class=\"rank-math-list\">\n<li id=\"faq-question-1764831825932\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\ub97c \uc544\ub450\uc774\ub178\uc5d0 \uc5b4\ub5bb\uac8c \uc5f0\uacb0\ud558\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/Arduino-150x150.webp\" class=\"alignright not-transparent\" alt=\"\uc544\ub450\uc774\ub178\" data-has-transparency=\"false\" data-dominant-color=\"a5b8b6\" style=\"--dominant-color: #a5b8b6\" \/>\n<p>\uc5f0\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/product\/%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%84%bc%ec%84%9c\/\">LDJ \uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uc13c\uc11c<\/a> \ub97c UART \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec VCC\ub97c 5V\/3.3V\ub85c, GND\ub97c GND\ub85c, TXD\ub97c Arduino RX\ub85c, RXD\ub97c Arduino TX(\ub808\ubca8 \uc2dc\ud504\ud2b8 \ud3ec\ud568)\ub85c \ubc30\uc120\ud569\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 Arduino \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c \uc5f0\uacb0\uc744 \uc644\ub8cc\ud558\ub294 \uac00\uc7a5 \uac04\ub2e8\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764831856605\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\ub294 Arduino UNO\uc640 \ud568\uaed8 \uc791\ub3d9\ud558\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>\uc608. LDJ <a href=\"https:\/\/meskernel.net\/ko\/product\/%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%84%bc%ec%84%9c\/\">\uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uc13c\uc11c<\/a> \ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc2dc\ub9ac\uc5bc\uc744 \ud1b5\ud574 \uc544\ub450\uc774\ub178 UNO\uc640 \ud568\uaed8 \uc791\ub3d9\ud558\uc9c0\ub9cc, UNO\uc758 TX \ucd9c\ub825\uc740 5V\uc5d0\uc11c 3.3V\ub85c \ubcc0\ud658\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc548\uc804\ud558\uace0 \uc815\ud655\ud55c \ub808\uc774\uc800 \uc13c\uc11c-\uc544\ub450\uc774\ub178 \ubc30\uc120\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764831884903\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\ub97c ESP32\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ud560 \uc218 \uc788\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>\uc608. ESP32\ub294 3.3V \ub85c\uc9c1\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \ub808\ubca8 \uc2dc\ud504\ud130 \uc5c6\uc774 LDJ\ub97c UART \ud540\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ud560 \uc218 \uc788\uc5b4 \ub808\uc774\uc800 \uc13c\uc11c\ub97c \uc544\ub450\uc774\ub178 \ud638\ud658 \ubcf4\ub4dc\uc5d0 \uc5f0\uacb0\ud558\ub294 \ub370 \uac00\uc7a5 \uc26c\uc6b4 \ud50c\ub7ab\ud3fc \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764831909948\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ \ub808\uc774\uc800 \uc13c\uc11c\ub294 \uc5b4\ub5a4 \uc804\uc555\uc744 \uc0ac\uc6a9\ud558\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/12\/Arduino-distance-sensors-150x150.webp\" class=\"alignright not-transparent\" alt=\"\uc544\ub450\uc774\ub178 \uac70\ub9ac \uc13c\uc11c\" data-has-transparency=\"false\" data-dominant-color=\"d8dcd9\" style=\"--dominant-color: #d8dcd9\" \/>\n<p>LDJ\ub294 RXD\/TXD\uc5d0 3.3V I\/O\ub97c \uc0ac\uc6a9\ud558\uace0 VCC\uc5d0 3.3-5V\ub97c \uc218\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub294 UNO\/Mega\uc5d0 \ub808\ubca8 \uc2dc\ud504\ud130\uac00 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc5d0 \ub808\uc774\uc800 \uc13c\uc11c\ub97c \uc544\ub450\uc774\ub178\uc5d0 \uc548\uc804\ud558\uac8c \ubc30\uc120\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764831936678\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\uc640 \uc544\ub450\uc774\ub178\uc5d0 \uc5b4\ub5a4 \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>LDJ <a href=\"https:\/\/meskernel.net\/ko\/product\/%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%84%bc%ec%84%9c\/\">\uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uc13c\uc11c<\/a> \ub294 \uae30\ubcf8\uc801\uc73c\ub85c 115200bps\ub85c \ud1b5\uc2e0\ud569\ub2c8\ub2e4. \ub2e4\ub978 \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc0ac\uc6a9\ud558\uba74 \uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c \uc5f0\uacb0\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc77d\uc744 \uc218 \uc5c6\uac70\ub098 \ucd9c\ub825\uc774 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764831972633\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\ub294 I\u00b2C\ub97c \uc9c0\uc6d0\ud558\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>\uc608. LDJ <a href=\"https:\/\/meskernel.net\/ko\/product\/%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%84%bc%ec%84%9c\/\">\uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uc13c\uc11c<\/a> \ub294 0x00\uc5d0\uc11c 0x7E\uae4c\uc9c0 \uad6c\uc131 \uac00\ub2a5\ud55c \uc2ac\ub808\uc774\ube0c \uc8fc\uc18c\ub85c I\u00b2C \ud1b5\uc2e0\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uba40\ud2f0 \uc13c\uc11c \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc9c0\ub9cc, \ub300\ubd80\ubd84\uc758 Arduino \uc0ac\uc6a9\uc790\uc5d0\uac8c\ub294 UART \ubc30\uc120\uc774 \ub354 \uac04\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764831996117\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\uac00 \uac70\ub9ac \ub370\uc774\ud130\ub97c \uc544\ub450\uc774\ub178\ub85c \uc804\uc1a1\ud558\uc9c0 \uc54a\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>\uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc774\uc720\ub294 \uc798\ubabb\ub41c TX\/RX \ubc30\uc120, \uc798\ubabb\ub41c \uc804\uc1a1 \uc18d\ub3c4 \ub610\ub294 \uc13c\uc11c\uc758 3.3V RX \ud540\uc5d0 5V \uc2e0\ud638\ub97c \uc804\uc1a1\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c \uc5f0\uacb0\uc774 \uc62c\ubc14\ub974\uac8c \ubcf5\uc6d0\ub429\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764832022491\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\ub97c \uc2e4\uc678\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>\uc608. LDJ <a href=\"https:\/\/meskernel.net\/ko\/product\/%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%84%bc%ec%84%9c\/\">\uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uc13c\uc11c<\/a> \ub294 \uc0b0\uc5c5\uc6a9 \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\ub85c \uc2e4\uc678\uc5d0\uc11c \uc7a5\uac70\ub9ac \uce21\uc815\uc744 \uc9c0\uc6d0\ud558\uc9c0\ub9cc \uac15\ud55c \ud587\ube5b \uc544\ub798\uc5d0\uc11c \ubc18\uc0ac\ub418\ub294 \ud0c0\uac9f\uc744 \uc0ac\uc6a9\ud560 \ub54c \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764832044659\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \uc544\ub450\uc774\ub178 \ubcf4\ub4dc\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>ESP32\ub294 3.3V \ub85c\uc9c1\uc744 \uc0ac\uc6a9\ud558\uace0 \ud558\ub4dc\uc6e8\uc5b4 UART\ub97c \uc9c0\uc6d0\ud558\ubbc0\ub85c \uac00\uc7a5 \uc88b\uc740 \uc635\uc158\uc785\ub2c8\ub2e4. Arduino Mega\ub294 \uc5ec\ub7ec \uac1c\uc758 \uc804\uc6a9 \uc9c1\ub82c \ud3ec\ud2b8\uac00 \uc788\uc5b4 \ub450 \ubc88\uc9f8\ub85c \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764832065728\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">LDJ\uc5d0\uc11c \uac70\ub9ac \uac12\uc744 \ub514\ucf54\ub529\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>\uadf8\ub9ac\uace0 <a href=\"https:\/\/meskernel.net\/ko\/product\/%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%84%bc%ec%84%9c\/\">\uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uc13c\uc11c<\/a> \ub294 UART \ub610\ub294 I\u00b2C\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \ud504\ub808\uc784\uc744 \ucd9c\ub825\ud569\ub2c8\ub2e4. Arduino \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ub7ec\ud55c \ubc14\uc774\ud2b8\ub97c \ud30c\uc2f1\ud558\uba74 \ubc00\ub9ac\ubbf8\ud130 \ub610\ub294 \ubbf8\ud130 \ub2e8\uc704\uc758 \uac70\ub9ac \uac12\uc744 \ucd94\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\uc5d0 \uc81c\uacf5\ub41c \uc0d8\ud50c \ucf54\ub4dc \uc704\uc5d0 \uc0ac\uc6a9\uc790 \uc9c0\uc815 \ub514\ucf54\ub354\ub97c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/li>\n<li id=\"faq-question-1764832115322\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">\ub85c\ubd07 \uacf5\ud559 \ub610\ub294 AGV \uc2dc\uc2a4\ud15c\uc5d0 LDJ\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>\uc608. LDJ <a href=\"https:\/\/meskernel.net\/ko\/product\/%ec%95%84%eb%91%90%ec%9d%b4%eb%85%b8-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%84%bc%ec%84%9c\/\">\uc544\ub450\uc774\ub178 \ub808\uc774\uc800 \uc13c\uc11c<\/a> is suitable for AGV, warehouse automation, robotics <a href=\"https:\/\/meskernel.net\/ko\/navigation-distance-sensor\/\">\ud0d0\uc0c9<\/a>, and outdoor measurement due to its long-range and stable pulse-based TOF measurement.<\/p>\n\n<\/div>\n<\/li>\n<\/ol>\n<\/div>\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-meskernel wp-block-embed-meskernel\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"NvQ0oLekQS\"><a href=\"https:\/\/meskernel.net\/ko\/connect-arduino-distance-sensors\/\">UART\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc544\ub450\uc774\ub178 \uac70\ub9ac \uc13c\uc11c\ub97c \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95 - \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u300a How to Connect Arduino Distance Sensors Using UART \u2014 A Step-by-Step Guide \u300b\u2014Meskernel\" src=\"https:\/\/meskernel.net\/connect-arduino-distance-sensors\/embed\/#?secret=WvFNM9ZhtN#?secret=NvQ0oLekQS\" data-secret=\"NvQ0oLekQS\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>If you want to learn how to connect a laser distance sensor to Arduino, this step-by-step guide will show you [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6419,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[49],"tags":[],"class_list":["post-6416","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solution"],"_links":{"self":[{"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/posts\/6416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/comments?post=6416"}],"version-history":[{"count":0,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/posts\/6416\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/media\/6419"}],"wp:attachment":[{"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/media?parent=6416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/categories?post=6416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/tags?post=6416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}