{"id":7157,"date":"2026-03-04T16:45:42","date_gmt":"2026-03-04T08:45:42","guid":{"rendered":"https:\/\/meskernel.net\/?p=7157"},"modified":"2026-03-04T16:45:46","modified_gmt":"2026-03-04T08:45:46","slug":"uart-%eb%8c%80-spi-%eb%8c%80-i2c-%ea%b1%b0%eb%a6%ac-%ec%84%bc%ec%84%9c","status":"publish","type":"post","link":"https:\/\/meskernel.net\/ko\/uart-vs-spi-vs-i2c-distance-sensors\/","title":{"rendered":"UART\uc640 SPI, I2C \uac70\ub9ac \uc13c\uc11c \ube44\uad50: \uc62c\ubc14\ub978 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><a href=\"https:\/\/meskernel.net\/ko\/usart-vs-uart\/\">UART<\/a> vs SPI <a href=\"https:\/\/meskernel.net\/ko\/i2c-distance-sensors\/\">I2C \uac70\ub9ac \uc13c\uc11c<\/a> \ub294 \ub2e8\uc21c\ud55c \uae30\uc220\uc801 \ube44\uad50\uac00 \uc544\ub2c8\ub77c \ud504\ub85c\uc81d\ud2b8\uac00 \uc6d0\ud65c\ud558\uac8c \uc9c4\ud589\ub420\uc9c0, \uc544\ub2c8\uba74 \ubd88\uc548\uc815\ud55c \ud1b5\uc2e0\uacfc \uac12\ube44\uc2fc \uc7ac\uc124\uacc4\ub85c \uc778\ud574 \uc2e4\ud328\ud560\uc9c0\ub97c \uacb0\uc815\ud560 \uc218 \uc788\ub294 \uacb0\uc815\uc785\ub2c8\ub2e4. \uc798\ubabb\ub41c \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc120\ud0dd\ud558\uba74 EMI \ubb38\uc81c, \ubd88\uc548\uc815\ud55c \ub370\uc774\ud130 \uc804\uc1a1, \uc608\uae30\uce58 \uc54a\uc740 \uc9c0\uc5f0\uc774 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uae30 \ub54c\ubb38\uc5d0 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 OEM \uad6c\ub9e4\uc790\ub294 \uc5b4\ub5a4 \ub300\uac00\ub97c \uce58\ub974\ub354\ub77c\ub3c4 \uc774\ub97c \ud53c\ud558\uace0 \uc2f6\uc5b4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uce21\uc815 \ubc94\uc704\ub098 \uc815\ud655\ub3c4\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd94\uae30 \uc804\uc5d0 UART, SPI \ubc0f I2C \uac70\ub9ac \uc13c\uc11c\uac00 \uc2e4\uc81c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub294 \uc774\ub7ec\ud55c \uc778\ud130\ud398\uc774\uc2a4 \uac04\uc758 \uc2e4\uc9c8\uc801\uc778 \ucc28\uc774\uc810\uc744 \uc124\uba85\ud558\uace0, \uc798\ubabb\ub41c \uc120\ud0dd\uc758 \uc704\ud5d8\uc744 \uac15\uc870\ud558\uba70, \uc62c\ubc14\ub978 \uc120\ud0dd\uc5d0 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/products\/\">\uac70\ub9ac \uc13c\uc11c<\/a> \uc2e4\uc218\uac00 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4e4\uae30 \uc804\uc5d0 \ucc98\uc74c\ubd80\ud130 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc124\uacc4\ud558\uc138\uc694.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uac70\ub9ac \uc13c\uc11c\uc5d0\uc11c \ud1b5\uc2e0 \uc778\ud130\ud398\uc774\uc2a4\uac00 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<p>\uac70\ub9ac \uc13c\uc11c\ub294 \ub3c5\ub9bd\ud615 \uad6c\uc131 \uc694\uc18c\ub85c \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0\ub294 \uac70\uc758 \uc5c6\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \uc548\uc815\uc801\uc73c\ub85c \ud1b5\uc2e0\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/meskernel.net\/ko\/microcontrollers-and-laser-sensors\/\">\ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec<\/a> (STM32, <a href=\"https:\/\/meskernel.net\/ko\/esp32-laser-distance-sensor\/\">ESP32<\/a>)<\/li>\n\n\n\n<li>\uc2f1\uae00 \ubcf4\ub4dc \ucef4\ud4e8\ud130(<a href=\"https:\/\/meskernel.net\/ko\/arduino-laser-distance-modules\/\">\uc544\ub450\uc774\ub178<\/a>, \ub77c\uc988\ubca0\ub9ac \ud30c\uc774)<\/li>\n\n\n\n<li>\uc0b0\uc5c5\uc6a9 \ucee8\ud2b8\ub864\ub7ec \ub610\ub294 \uc784\ubca0\ub514\ub4dc \uc2dc\uc2a4\ud15c<\/li>\n<\/ul>\n\n\n\n<p>\ud1b5\uc2e0 \uc778\ud130\ud398\uc774\uc2a4\uac00 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub370\uc774\ud130 \uc9c0\uc5f0 \uc2dc\uac04 \ubc0f \uc0c8\ub85c \uace0\uce68 \ube48\ub3c4<\/li>\n\n\n\n<li>\ucf00\uc774\ube14 \uae38\uc774 \ubc0f \ub178\uc774\uc988 \ud5c8\uc6a9 \uc624\ucc28<\/li>\n\n\n\n<li>\ud38c\uc6e8\uc5b4 \uac1c\ubc1c\uc758 \uc6a9\uc774\uc131<\/li>\n\n\n\n<li>\ud655\uc7a5\uc131 \ubc0f \uc2dc\uc2a4\ud15c \uc544\ud0a4\ud14d\ucc98<\/li>\n<\/ul>\n\n\n\n<p>\uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 \uc778\ud130\ud398\uc774\uc2a4 \uc120\ud0dd\uc740 \uc0ac\uc18c\ud55c \uc138\ubd80 \uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \uc911\uc694\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uacb0\uc815\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">UART, SPI \ubc0f I2C \uac70\ub9ac \uc13c\uc11c \uac1c\uc694<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">UART \uac70\ub9ac \uc13c\uc11c<\/h3>\n\n\n\n<p>UART(\ubc94\uc6a9 \ube44\ub3d9\uae30 \uc218\uc2e0\uae30\/\uc1a1\uc2e0\uae30)\ub294 \ud3ec\uc778\ud2b8 \ud22c \ud3ec\uc778\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <a href=\"https:\/\/meskernel.net\/ko\/serial-communication\/\">\uc9c1\ub82c \ud1b5\uc2e0<\/a>.<br>\ub2e4\uc74c \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. <strong><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 \ubaa8\ub4c8<\/a><\/strong> \ub2e8\uc21c\ud558\uace0 \uacac\uace0\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc8fc\uc694 \ud2b9\uc9d5<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac04\ub2e8\ud55c TX\/RX \ubc30\uc120<\/li>\n\n\n\n<li>\uc7a5\uac70\ub9ac \ud1b5\uc2e0 \uae30\ub2a5<\/li>\n\n\n\n<li>EMI\uc5d0 \ub300\ud55c \uac15\ub825\ud55c \ub0b4\uc131<\/li>\n\n\n\n<li>\uc9c1\ub82c \ub3c4\uad6c\ub97c \ud1b5\ud55c \uac04\ud3b8\ud55c \ub514\ubc84\uae45<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">SPI \uac70\ub9ac \uc13c\uc11c<\/h3>\n\n\n\n<p>SPI(\uc9c1\ub82c \uc8fc\ubcc0 \uc7a5\uce58 \uc778\ud130\ud398\uc774\uc2a4)\ub294 \ub3d9\uae30\uc2dd \uace0\uc18d \ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc8fc\uc694 \ud2b9\uc9d5<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub9e4\uc6b0 \ube60\ub978 \ub370\uc774\ud130 \uc804\uc1a1<\/li>\n\n\n\n<li>\uc9e7\uc740 \uc9c0\uc5f0 \uc2dc\uac04<\/li>\n\n\n\n<li>\uc5ec\ub7ec \uc2e0\ud638 \ub77c\uc778 \ud544\uc694<\/li>\n\n\n\n<li>\ub354 \ubcf5\uc7a1\ud55c \ud558\ub4dc\uc6e8\uc5b4 \uc124\uacc4<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/meskernel.net\/ko\/%ea%b3%a0%ec%a3%bc%ed%8c%8c-%ea%b1%b0%eb%a6%ac-%ec%b8%a1%ec%a0%95-%ec%84%bc%ec%84%9c-%eb%aa%a8%eb%93%88\/\">SPI \uac70\ub9ac \uc13c\uc11c<\/a> \ub294 \ub192\uc740 \uc8fc\uc0ac\uc728\uc774\ub098 \ube60\ub978 \uc2a4\uce94\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\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<h3 class=\"wp-block-heading\">I2C \uac70\ub9ac \uc13c\uc11c<\/h3>\n\n\n\n<p>I2C(\uc9d1\uc801 \ud68c\ub85c)\ub294 \ub2e8\uac70\ub9ac \uc800\uc18d \ud1b5\uc2e0\uc744 \uc704\ud574 \uc124\uacc4\ub41c \ubc84\uc2a4 \uae30\ubc18 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc8fc\uc694 \ud2b9\uc9d5<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud558\ub098\uc758 \ubc84\uc2a4\uc5d0\uc11c \uc5ec\ub7ec \ub514\ubc14\uc774\uc2a4 \uc0ac\uc6a9<\/li>\n\n\n\n<li>\ucd5c\uc18c\ud55c\uc758 \ubc30\uc120<\/li>\n\n\n\n<li>\uc81c\ud55c\ub41c \ucf00\uc774\ube14 \uae38\uc774<\/li>\n\n\n\n<li>\uc18c\uc74c\uc5d0 \ub354 \ubbfc\uac10\ud558\uac8c \ubc18\uc751<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/meskernel.net\/ko\/%ea%b3%a0%ec%a3%bc%ed%8c%8c-%ea%b1%b0%eb%a6%ac-%ec%b8%a1%ec%a0%95-%ec%84%bc%ec%84%9c-%eb%aa%a8%eb%93%88\/%ec%9c%84%ec%83%81-%ea%b1%b0%eb%a6%ac-%ec%84%bc%ec%84%9c\/\">I2C \uac70\ub9ac \uc13c\uc11c<\/a> \ub294 \uc544\ub450\uc774\ub178, \ub77c\uc988\ubca0\ub9ac\ud30c\uc774, \uad50\uc721\uc6a9 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ud754\ud788 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">UART\uc640 SPI, I2C \uac70\ub9ac \uc13c\uc11c(\ube60\ub978 \ube44\uad50)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc778\ud130\ud398\uc774\uc2a4<\/th><th>UART<\/th><th>SPI<\/th><th>I2C<\/th><\/tr><\/thead><tbody><tr><td>\uc77c\ubc18\uc801\uc778 \uc18d\ub3c4<\/td><td>Medium<\/td><td>\ub192\uc74c<\/td><td>\ub0ae\uc74c<\/td><\/tr><tr><td>\ubc30\uc120 \ubcf5\uc7a1\uc131<\/td><td>\ub9e4\uc6b0 \ub0ae\uc74c<\/td><td>\ub192\uc74c<\/td><td>\ub0ae\uc74c<\/td><\/tr><tr><td>\ucd5c\ub300 \ucf00\uc774\ube14 \uae38\uc774<\/td><td>Long<\/td><td>\uc9e7\uc740<\/td><td>\ub9e4\uc6b0 \uc9e7\uc74c<\/td><\/tr><tr><td>EMI \uc800\ud56d<\/td><td>\ub192\uc74c<\/td><td>Medium<\/td><td>\ub0ae\uc74c<\/td><\/tr><tr><td>\uba40\ud2f0 \ub514\ubc14\uc774\uc2a4 \uc9c0\uc6d0<\/td><td>\uc544\ub2c8\uc694<\/td><td>\uc81c\ud55c\uc801<\/td><td>\uc608<\/td><\/tr><tr><td>\uc0b0\uc5c5 \uc801\ud569\uc131<\/td><td>\uc6b0\uc218<\/td><td>Good<\/td><td>\uc81c\ud55c\uc801<\/td><\/tr><tr><td>\uac1c\ubc1c \ub09c\uc774\ub3c4<\/td><td>\uc26c\uc6b4<\/td><td>\uace0\uae09<\/td><td>\uc26c\uc6b4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\uac04\ub2e8\ud788 \uc815\ub9ac\ud574 \ubcf4\uc138\uc694:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc120\ud0dd <strong>UART<\/strong> \uc0b0\uc5c5 \uc2e0\ub8b0\uc131\uc744 \uc704\ud55c<\/li>\n\n\n\n<li>\uc120\ud0dd <strong>SPI<\/strong> \uace0\uc18d \uce21\uc815\uc6a9<\/li>\n\n\n\n<li>\uc120\ud0dd <strong>I2C<\/strong> \uac04\ub2e8\ud55c \ub2e8\uac70\ub9ac \uc2dc\uc2a4\ud15c\uc6a9<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc5b4\ub5a4 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc120\ud0dd\ud574\uc57c \ud558\ub098\uc694? (\uc560\ud50c\ub9ac\ucf00\uc774\uc158\ubcc4)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc544\ub450\uc774\ub178 \ubc0f \ub77c\uc988\ubca0\ub9ac\ud30c\uc774 \ud504\ub85c\uc81d\ud2b8<\/h3>\n\n\n\n<p><strong>\uad8c\uc7a5 \uc778\ud130\ud398\uc774\uc2a4:<\/strong> I2C \ub610\ub294 UART<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc131\uc219\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub77c\uc774\ube0c\ub7ec\ub9ac<\/li>\n\n\n\n<li>\uac04\ub2e8\ud55c \ubc30\uc120<\/li>\n\n\n\n<li>\ud504\ub85c\ud1a0\ud0c0\uc774\ud551 \ubc0f \uad50\uc721\uc5d0 \uc774\uc0c1\uc801<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\uc0b0\uc5c5 \uc790\ub3d9\ud654 \ubc0f AGV \uc2dc\uc2a4\ud15c<\/h3>\n\n\n\n<p><strong>\uad8c\uc7a5 \uc778\ud130\ud398\uc774\uc2a4:<\/strong> UART<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac15\ub825\ud55c \ub178\uc774\uc988 \ub0b4\uc131<\/li>\n\n\n\n<li>\uae34 \ucf00\uc774\ube14 \uc9c0\uc6d0<\/li>\n\n\n\n<li>\uc548\uc815\uc801\uc778 \uc5f0\uc18d \uc791\ub3d9<\/li>\n<\/ul>\n\n\n\n<p>UART \uac70\ub9ac \uc13c\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/meskernel.net\/ko\/safety-distance-monitoring\/\">AGV<\/a> \ucda9\ub3cc \ubc29\uc9c0<\/li>\n\n\n\n<li>\ucee8\ubca0\uc774\uc5b4 \uc704\uce58 \uc9c0\uc815<\/li>\n\n\n\n<li>\ucc3d\uace0 \uc790\ub3d9\ud654<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\uace0\uc18d \uce21\uc815 \ubc0f \uc2a4\uce90\ub2dd<\/h3>\n\n\n\n<p><strong>\uad8c\uc7a5 \uc778\ud130\ud398\uc774\uc2a4:<\/strong> SPI<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ube60\ub978 \ub370\uc774\ud130 \ucc98\ub9ac\ub7c9<\/li>\n\n\n\n<li>\uc9e7\uc740 \uc9c0\uc5f0 \uc2dc\uac04<\/li>\n\n\n\n<li>\ub3d9\uc801 \uce21\uc815 \uc2dc\ub098\ub9ac\uc624\uc5d0 \uc801\ud569<\/li>\n<\/ul>\n\n\n\n<p>SPI \uac70\ub9ac \uc13c\uc11c\ub294 \ubc30\uc120\uc758 \ub2e8\uc21c\uc131\ubcf4\ub2e4 \ud0c0\uc774\ubc0d \uc815\ubc00\ub3c4\uac00 \ub354 \uc911\uc694\ud55c \uacbd\uc6b0\uc5d0 \uc885\uc885 \uc120\ud0dd\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"d1c8bb\" data-has-transparency=\"false\" style=\"--dominant-color: #d1c8bb;\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"644\" data-id=\"7044\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Lightweight-and-Compact-Laser-Distance-Sensors-1024x644.webp\" alt=\"\uac00\ubccd\uace0 \ucef4\ud329\ud2b8\ud55c \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\" class=\"wp-image-7044 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Lightweight-and-Compact-Laser-Distance-Sensors-1024x644.webp 1024w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Lightweight-and-Compact-Laser-Distance-Sensors-300x189.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Lightweight-and-Compact-Laser-Distance-Sensors-768x483.webp 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Lightweight-and-Compact-Laser-Distance-Sensors-18x12.webp 18w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Lightweight-and-Compact-Laser-Distance-Sensors-400x252.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Lightweight-and-Compact-Laser-Distance-Sensors.webp 1144w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"534942\" data-has-transparency=\"false\" style=\"--dominant-color: #534942;\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"7032\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Non-Contact-Distance-Sensor-1024x683.webp\" alt=\"\ube44\uc811\ucd09\uc2dd \uac70\ub9ac \uc13c\uc11c\" class=\"wp-image-7032 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Non-Contact-Distance-Sensor-1024x683.webp 1024w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Non-Contact-Distance-Sensor-300x200.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Non-Contact-Distance-Sensor-768x512.webp 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Non-Contact-Distance-Sensor-18x12.webp 18w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Non-Contact-Distance-Sensor-400x267.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Non-Contact-Distance-Sensor.webp 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"5a554e\" data-has-transparency=\"false\" style=\"--dominant-color: #5a554e;\" decoding=\"async\" width=\"800\" height=\"800\" data-id=\"7010\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments.webp\" alt=\"\uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c\uc758 \ubaa8\ub4dc\ubc84\uc2a4 \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\" class=\"wp-image-7010 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments.webp 800w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments-300x300.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments-150x150.webp 150w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments-768x768.webp 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments-12x12.webp 12w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments-400x400.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Modbus-Laser-Distance-Sensor-in-Industrial-Environments-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"cfd3d5\" data-has-transparency=\"false\" style=\"--dominant-color: #cfd3d5;\" loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"497\" data-id=\"6984\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Long-Range-Laser-Distance-Sensors.webp\" alt=\"\uc7a5\uac70\ub9ac \ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c\" class=\"wp-image-6984 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Long-Range-Laser-Distance-Sensors.webp 499w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Long-Range-Laser-Distance-Sensors-300x300.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Long-Range-Laser-Distance-Sensors-150x150.webp 150w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Long-Range-Laser-Distance-Sensors-12x12.webp 12w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Long-Range-Laser-Distance-Sensors-400x398.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Long-Range-Laser-Distance-Sensors-100x100.webp 100w\" sizes=\"(max-width: 499px) 100vw, 499px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"e0e5e3\" data-has-transparency=\"false\" style=\"--dominant-color: #e0e5e3;\" loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"499\" data-id=\"6914\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Short-Range-LRF.webp\" alt=\"\ub2e8\uac70\ub9ac LRF\" class=\"wp-image-6914 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Short-Range-LRF.webp 500w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Short-Range-LRF-300x300.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Short-Range-LRF-150x150.webp 150w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Short-Range-LRF-12x12.webp 12w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Short-Range-LRF-400x399.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/02\/Short-Range-LRF-100x100.webp 100w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"77857a\" data-has-transparency=\"false\" style=\"--dominant-color: #77857a;\" loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" data-id=\"6665\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications.webp\" alt=\"\ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\" class=\"wp-image-6665 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications.webp 800w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications-300x300.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications-150x150.webp 150w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications-768x768.webp 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications-12x12.webp 12w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications-400x400.webp 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2026\/01\/Laser-Distance-Sensor-Applications-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ: UART, SPI \ubc0f I2C \uac70\ub9ac \uc13c\uc11c<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1772612243471\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">\uac70\ub9ac \uc13c\uc11c\uc5d0 I2C\ubcf4\ub2e4 UART\uac00 \ub354 \uc548\uc815\uc801\uc778\uac00\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\uc608. UART\ub294 \uc77c\ubc18\uc801\uc73c\ub85c I2C\ubcf4\ub2e4 \uc548\uc815\uc131\uc774 \ub192\uc73c\uba70, \ud2b9\ud788 \ucf00\uc774\ube14 \uae38\uc774\uac00 \uae38\uace0 \uc18c\uc74c\uc774 \ub9ce\uc740 \uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c\ub294 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1772612256468\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">\uc0b0\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c I2C \uac70\ub9ac \uc13c\uc11c\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>I2C \uac70\ub9ac \uc13c\uc11c\ub294 \uc0b0\uc5c5\uc6a9 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc9e7\uc740 \uac70\ub9ac\uc640 \uc798 \uc81c\uc5b4\ub41c EMI \uc870\uac74\uc5d0\uc11c\ub9cc \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c UART\uac00 \uc120\ud638\ub429\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1772612271182\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">OEM \ud1b5\ud569\uc5d0 \uac00\uc7a5 \uc26c\uc6b4 \uc778\ud130\ud398\uc774\uc2a4\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>UART\ub294 \uac04\ub2e8\ud55c \ud504\ub85c\ud1a0\ucf5c, \ud3ed\ub113\uc740 MCU \ud638\ud658\uc131, \ucd5c\uc18c\ud55c\uc758 \ud38c\uc6e8\uc5b4 \uc624\ubc84\ud5e4\ub4dc\ub85c \uc778\ud574 OEM \ud1b5\ud569\uc744 \uc704\ud55c \uac00\uc7a5 \uc26c\uc6b4 \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1772612287717\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">SPI\uac00 \ub354 \ube60\ub974\uae30 \ub54c\ubb38\uc5d0 \ud56d\uc0c1 \ub354 \ub098\uc740\uac00\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\uc544\ub2c8\uc694. SPI\ub294 \ub354 \ube60\ub974\uc9c0\ub9cc \ub354 \ub9ce\uc740 \ubc30\uc120\uacfc \uc138\uc2ec\ud55c \ud558\ub4dc\uc6e8\uc5b4 \uc124\uacc4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0\ub9cc \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1772612301736\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">\ud558\ub098\uc758 \uac70\ub9ac \uc13c\uc11c\uac00 \uc5ec\ub7ec \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc9c0\uc6d0\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\uc608. \uc77c\ubd80 \uac70\ub9ac \uc13c\uc11c \ubaa8\ub4c8\uc740 OEM \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c UART, SPI \ub610\ub294 I2C\ub97c \uc9c0\uc6d0\ud558\ub3c4\ub85d \uc0ac\uc6a9\uc790 \uc9c0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\uc62c\ubc14\ub978 \uac70\ub9ac \uc13c\uc11c \ubaa8\ub4c8 \uc120\ud0dd<\/h2>\n\n\n\n<p>\uc120\ud0dd \uc2dc <a href=\"https:\/\/www.youtube.com\/@Meskernelnet\/videos\" target=\"_blank\" rel=\"noopener\">\uac70\ub9ac \uc13c\uc11c<\/a>, \uc778\ud130\ud398\uc774\uc2a4\uc5d0\ub9cc \uc9d1\uc911\ud558\uc9c0 \ub9c8\uc138\uc694. OEM \ubc0f \uc0b0\uc5c5 \uc0ac\uc6a9\uc790\ub3c4 \ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/meskernel.net\/ko\/measurement-accuracy\/\">\uce21\uc815 \uc815\ud655\ub3c4<\/a> \uc548\uc815\uc131<\/li>\n\n\n\n<li>\uc791\ub3d9 \uc628\ub3c4 \ubc94\uc704<\/li>\n\n\n\n<li>\uc778\ud130\ud398\uc774\uc2a4 \uad6c\uc131 \uac00\ub2a5\uc131<\/li>\n\n\n\n<li>\ud504\ub85c\ud1a0\ucf5c \ubb38\uc11c \ud488\uc9c8<\/li>\n\n\n\n<li>\uc7a5\uae30 \uacf5\uae09 \ubc0f \uae30\uc220 \uc9c0\uc6d0<\/li>\n<\/ul>\n\n\n\n<p>\uc5ec\ub7ec \ud1b5\uc2e0 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc9c0\uc6d0\ud558\ub294 \uc720\uc5f0\ud55c \uc13c\uc11c \ud50c\ub7ab\ud3fc\uc740 \uac1c\ubc1c \uc704\ud5d8\uc744 \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"ebeceb\" data-has-transparency=\"false\" style=\"--dominant-color: #ebeceb;\" loading=\"lazy\" decoding=\"async\" width=\"703\" height=\"185\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/laser-distance-sensor-Quick-Testing-Guidance.webp\" alt=\"\ub808\uc774\uc800 \uac70\ub9ac \uc13c\uc11c \ube60\ub978 \ud14c\uc2a4\ud2b8 \uc548\ub0b4\" class=\"wp-image-6112 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/laser-distance-sensor-Quick-Testing-Guidance.webp 703w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/laser-distance-sensor-Quick-Testing-Guidance-300x79.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/laser-distance-sensor-Quick-Testing-Guidance-18x5.webp 18w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/laser-distance-sensor-Quick-Testing-Guidance-400x105.webp 400w\" sizes=\"(max-width: 703px) 100vw, 703px\" \/><\/figure>\n\n\n\n<p>UART, SPI \ubc0f I2C \uac70\ub9ac \uc13c\uc11c\ub294 \uac01\uac01 \ub2e4\ub978 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4.<br>\uc774\ub7ec\ud55c \uac15\uc810\uc744 \uc774\ud574\ud558\uba74 \uc548\uc815\uc801\uc774\uace0 \ud655\uc7a5 \uac00\ub2a5\ud558\uba70 \uc720\uc9c0 \uad00\ub9ac\uac00 \uc26c\uc6b4 \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc0b0\uc5c5 \ub610\ub294 OEM \ud504\ub85c\uc81d\ud2b8\ub97c \uac1c\ubc1c\ud558\ub294 \uacbd\uc6b0 \uc62c\ubc14\ub978 \ud1b5\uc2e0 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc870\uae30\uc5d0 \uc120\ud0dd\ud558\uba74 \uc218\uac1c\uc6d4\uc758 \uc7ac\uc124\uacc4 \ubc0f \ub514\ubc84\uae45 \uc2dc\uac04\uc744 \uc808\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\uc798\ubabb\ub41c UART, SPI \ub610\ub294 I2C \uac70\ub9ac \uc13c\uc11c\ub97c \uc120\ud0dd\ud558\uba74 \ub370\uc774\ud130\uac00 \ubd88\uc548\uc815\ud574\uc9c0\uace0 EMI \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uba70 \uc7ac\uc124\uacc4\uc5d0 \ub9ce\uc740 \ube44\uc6a9\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8\uac00 \uc9c0\uc5f0\ub418\uae30 \uc804\uc5d0 \uc62c\ubc14\ub978 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":7158,"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":[50],"tags":[],"class_list":["post-7157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/posts\/7157","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=7157"}],"version-history":[{"count":0,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/posts\/7157\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/media\/7158"}],"wp:attachment":[{"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/media?parent=7157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/categories?post=7157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meskernel.net\/ko\/wp-json\/wp\/v2\/tags?post=7157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}