{"id":94745,"date":"2025-06-28T21:30:52","date_gmt":"2025-06-28T21:30:52","guid":{"rendered":"https:\/\/crismob.com\/?p=94745"},"modified":"2026-08-18T19:38:10","modified_gmt":"2026-08-18T19:38:10","slug":"hay-hoc-cach-do-chinh-xac-bang-thuoc-day-dien-tu","status":"publish","type":"post","link":"https:\/\/crismob.com\/vi_eu\/aprenda-a-medir-com-exatidao-usando-trena-digital\/","title":{"rendered":"Th\u01b0\u1edbc d\u00e2y k\u1ef9 thu\u1eadt s\u1ed1 tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng: C\u00e1ch \u0111o ch\u00ednh x\u00e1c h\u01a1n v\u00e0 nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a n\u00f3."},"content":{"rendered":"<p class=\"wp-block-paragraph\">C\u00f3 m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0m thay \u0111\u1ed5i m\u1ecdi th\u1ee9 khi s\u1eed d\u1ee5ng... <strong>th\u01b0\u1edbc d\u00e2y k\u1ef9 thu\u1eadt s\u1ed1<\/strong> Tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng: thi\u1ebft b\u1ecb kh\u00f4ng \u0111o kho\u1ea3ng c\u00e1ch \u2014 n\u00f3 \u0111o... <em>t\u00ednh to\u00e1n<\/em>. Hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y ch\u00ednh l\u00e0 \u0111i\u1ec1u ph\u00e2n bi\u1ec7t nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00f4ng c\u1ee5 n\u00e0y v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u1ea3m th\u1ea5y th\u1ea5t v\u1ecdng v\u00ec n\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u01b0\u1edbc d\u00e2y laser ph\u00e1t ra m\u1ed9t ch\u00f9m tia v\u00e0 \u0111o th\u1eddi gian ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i. \u0110\u00e2y l\u00e0 ph\u00e9p \u0111o tr\u1ef1c ti\u1ebfp v\u00e0 d\u1ef1a tr\u00ean ph\u1ea7n c\u1ee9ng m\u00e0 ph\u1ea7n l\u1edbn \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng kh\u00f4ng c\u00f3. Thay v\u00e0o \u0111\u00f3, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng s\u1ebd t\u00e1i t\u1ea1o h\u00ecnh h\u1ecdc c\u1ee7a m\u00f4i tr\u01b0\u1eddng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng camera v\u00e0 c\u1ea3m bi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng, s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng \u2014 ARCore tr\u00ean Android v\u00e0 ARKit tr\u00ean iPhone \u2014 v\u00e0 \u01b0\u1edbc t\u00ednh kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111i\u1ec3m b\u1ea1n \u0111\u00e3 \u0111\u00e1nh d\u1ea5u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng b\u00ean trong nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 ba giai \u0111o\u1ea1n, v\u00e0 m\u1ed7i giai \u0111o\u1ea1n \u0111\u1ec1u c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Ph\u00e1t hi\u1ec7n \u0111i\u1ec3m.<\/strong> M\u00e1y \u1ea3nh nh\u1eadn di\u1ec7n c\u00e1c g\u00f3c c\u1ea1nh, k\u1ebft c\u1ea5u v\u00e0 s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n trong khung c\u1ea3nh.<\/li>\n<li><strong>Theo d\u00f5i.<\/strong> Khi thi\u1ebft b\u1ecb di chuy\u1ec3n, ph\u1ea7n m\u1ec1m s\u1ebd theo d\u00f5i s\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a c\u00e1c \u0111i\u1ec3m n\u00e0y trong h\u00ecnh \u1ea3nh v\u00e0, k\u1ebft h\u1ee3p v\u1edbi d\u1eef li\u1ec7u t\u1eeb gia t\u1ed1c k\u1ebf v\u00e0 con quay h\u1ed3i chuy\u1ec3n, s\u1ebd t\u00e1i t\u1ea1o l\u1ea1i v\u1ecb tr\u00ed c\u1ee7a camera trong kh\u00f4ng gian.<\/li>\n<li><strong>T\u00ednh to\u00e1n.<\/strong> Khi b\u1ea3n \u0111\u1ed3 ba chi\u1ec1u \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p xong, kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111i\u1ec3m \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u tr\u1edf th\u00e0nh m\u1ed9t ph\u00e9p t\u00ednh h\u00ecnh h\u1ecdc.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u b\u1ea1n di chuy\u1ec3n \u0111i\u1ec7n tho\u1ea1i ch\u1eadm r\u00e3i trong v\u00e0i gi\u00e2y tr\u01b0\u1edbc khi \u0111o: \u0111\u00e2y l\u00e0 giai \u0111o\u1ea1n \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng b\u1ea3n \u0111\u1ed3. B\u1ecf qua b\u01b0\u1edbc hi\u1ec7u chu\u1ea9n l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 k\u00e9m ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eadt l\u00e0 m\u1ed9t sai l\u1ea7m khi mong \u0111\u1ee3i nh\u01b0 v\u1eady.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong \u0111i\u1ec1u ki\u1ec7n t\u1ed1t \u2014 \u0111\u1ee7 \u00e1nh s\u00e1ng, b\u1ec1 m\u1eb7t c\u00f3 k\u1ebft c\u1ea5u, kho\u1ea3ng c\u00e1ch v\u00e0i m\u00e9t \u2014 \u0111\u1ed9 l\u1ec7ch \u0111i\u1ec3n h\u00ecnh n\u1eb1m trong ph\u1ea1m vi centimet. \u0110\u1ed9 l\u1ec7ch s\u1ebd t\u0103ng l\u00ean trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>kho\u1ea3ng c\u00e1ch xa<\/strong>, V\u00ec l\u1ed7i t\u00edch l\u0169y d\u1ea7n trong su\u1ed1t qu\u00e1 tr\u00ecnh theo d\u00f5i.<\/li>\n<li><strong>\u00c1nh s\u00e1ng y\u1ebfu<\/strong>, \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n \u0111i\u1ec3m. Trong b\u00f3ng t\u1ed1i, h\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n l\u00e0 b\u1ecf cu\u1ed9c.<\/li>\n<li><strong>Nh\u1eefng b\u1ee9c t\u01b0\u1eddng tr\u1eafng nh\u1eb5n, k\u00ednh v\u00e0 g\u01b0\u01a1ng.<\/strong>, nh\u1eefng th\u1ee9 kh\u00f4ng c\u00f3 k\u1ebft c\u1ea5u \u0111\u1ec3 theo d\u00f5i.<\/li>\n<li><strong>chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t<\/strong>, \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh theo d\u00f5i v\u00e0 bu\u1ed9c b\u1ea1n ph\u1ea3i b\u1eaft \u0111\u1ea7u l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/li>\n<li><strong>C\u00e1c thi\u1ebft b\u1ecb c\u0169 ho\u1eb7c thi\u1ebft b\u1ecb kh\u00f4ng h\u1ed7 tr\u1ee3 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng.<\/strong>, trong tr\u01b0\u1eddng h\u1ee3p t\u00ednh n\u0103ng \u0111\u00f3 th\u1eadm ch\u00ed kh\u00f4ng c\u00f3 s\u1eb5n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng c\u00f3 c\u1ea3m bi\u1ebfn \u0111\u1ed9 s\u00e2u, ch\u1eb3ng h\u1ea1n nh\u01b0 LiDAR ho\u1eb7c ToF, cho k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n \u2014 nh\u01b0ng ch\u00fang v\u1eabn ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean \u01b0\u1edbc l\u01b0\u1ee3ng ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111o l\u01b0\u1eddng tr\u1ef1c ti\u1ebfp.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u01b0\u1edbc d\u00e2y \u0111i\u1ec7n t\u1eed ph\u00e1t huy t\u00e1c d\u1ee5ng t\u1ed1t \u1edf \u0111\u00e2u?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u01b0\u1edbc khi mua, h\u00e3y ki\u1ec3m tra xem m\u00f3n \u0111\u1ed3 n\u1ed9i th\u1ea5t \u0111\u00f3 c\u00f3 v\u1eeba v\u1edbi kh\u00f4ng gian hay kh\u00f4ng.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc g\u1ea7n \u0111\u00fang c\u1ee7a m\u1ed9t c\u0103n ph\u00f2ng cho b\u1ea3n thi\u1ebft k\u1ebf ban \u0111\u1ea7u.<\/li>\n<li>T\u00ednh to\u00e1n di\u1ec7n t\u00edch c\u1ea7n thi\u1ebft \u0111\u1ec3 d\u1ef1 tr\u00f9 kinh ph\u00ed cho s\u00e0n nh\u00e0, s\u01a1n ho\u1eb7c gi\u1ea5y d\u00e1n t\u01b0\u1eddng, lu\u00f4n ch\u1eeba th\u00eam m\u1ed9t kho\u1ea3ng tr\u1ed1ng d\u1ef1 ph\u00f2ng.<\/li>\n<li>\u0110o nh\u1eefng v\u1eadt \u1edf xa t\u1ea7m v\u1edbi, ch\u1eb3ng h\u1ea1n nh\u01b0 chi\u1ec1u cao tr\u1ea7n nh\u00e0 ho\u1eb7c chi\u1ec1u cao c\u1eeda s\u1ed5.<\/li>\n<li>Ghi l\u1ea1i s\u1ed1 \u0111o v\u00e0 ch\u1ee5p \u1ea3nh \u0111\u1ec3 g\u1eedi cho chuy\u00ean gia.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Trong tr\u01b0\u1eddng h\u1ee3p n\u00f3 kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1.<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u c\u1eaft.<\/strong> C\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan \u0111\u1ebfn \u0111\u1ed3 g\u1ed7, k\u00ednh, \u0111\u00e1 c\u1ea9m th\u1ea1ch v\u00e0 m\u1eb7t b\u00e0n \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng milim\u00e9t. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ch\u1ec9 c\u00f3 th\u01b0\u1edbc d\u00e2y v\u1eadt l\u00fd ho\u1eb7c th\u01b0\u1edbc d\u00e2y laser chuy\u00ean d\u1ee5ng m\u1edbi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/li>\n<li><strong>L\u1eafp \u0111\u1eb7t theo y\u00eau c\u1ea7u.<\/strong> C\u1eeda ra v\u00e0o, c\u1eeda s\u1ed5, v\u00e1ch ng\u0103n ph\u00f2ng t\u1eafm v\u00e0 t\u1ee7 thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m r\u1ea5t t\u1ec9 m\u1ec9, kh\u00f4ng h\u1ec1 ti\u1ebft ki\u1ec7m t\u1eebng centimet.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf chi ti\u1ebft v\u00e0 t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt.<\/strong> M\u1ed9t bi\u1ec7n ph\u00e1p c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh d\u1ef1 \u00e1n xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p, k\u00e8m theo tr\u00e1ch nhi\u1ec7m k\u1ef9 thu\u1eadt.<\/li>\n<li><strong>\u0110\u1ea5t \u0111ai, ranh gi\u1edbi v\u00e0 h\u00e0ng r\u00e0o.<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i ph\u00e9p \u0111o kh\u00e1c, \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng GPS v\u1edbi sai s\u1ed1 v\u00e0i m\u00e9t ho\u1eb7c, khi ph\u00e1p lu\u1eadt y\u00eau c\u1ea7u, b\u1edfi m\u1ed9t chuy\u00ean gia \u0111\u1ee7 tr\u00ecnh \u0111\u1ed9 v\u1ec1 \u0111\u1ecbnh v\u1ecb \u0111\u1ecba l\u00fd.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n c\u00f3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi li\u1ec7t k\u00ea, xin l\u01b0u \u00fd: \u1ee9ng d\u1ee5ng n\u00e0y... <strong>\u0110o l\u01b0\u1eddng<\/strong>, t\u1eeb Google, l\u00e0 <strong>ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/strong> \u1ee8ng d\u1ee5ng n\u00e0y hi\u1ec7n kh\u00f4ng c\u00f2n tr\u00ean c\u1eeda h\u00e0ng n\u1eefa, m\u1eb7c d\u00f9 v\u1eabn xu\u1ea5t hi\u1ec7n nh\u01b0 m\u1ed9t \u0111\u1ec1 xu\u1ea5t trong c\u00e1c b\u00e0i vi\u1ebft c\u0169. Trong s\u1ed1 c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n c\u00f3 tr\u00ean Play Store:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u01b0\u1edbc \u0111o k\u00edch th\u01b0\u1edbc \u2014 Th\u01b0\u1edbc RA<\/strong>: Chi\u1ec1u d\u00e0i, di\u1ec7n t\u00edch v\u00e0 th\u1ec3 t\u00edch \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00f4ng ngh\u1ec7 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao nh\u1ea5t trong c\u00f9ng lo\u1ea1i.<\/li>\n<li><strong>AR Plan 3D<\/strong>Ph\u1ea7n m\u1ec1m n\u00e0y t\u1ea1o b\u1ea3n v\u1ebd m\u1eb7t b\u1eb1ng kh\u00f4ng gian d\u1ef1a tr\u00ean c\u00e1c s\u1ed1 \u0111o v\u00e0 cho ph\u00e9p b\u1ea1n xu\u1ea5t k\u1ebft qu\u1ea3. R\u1ea5t h\u1eefu \u00edch cho c\u00e1c d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o v\u00e0 thi\u1ebft k\u1ebf n\u1ed9i th\u1ea5t.<\/li>\n<li><strong>M\u00e1y \u0111o kho\u1ea3ng c\u00e1ch \u2014 C\u00f4ng c\u1ee5 \u0111o th\u00f4ng minh<\/strong>\u1ee8ng d\u1ee5ng n\u00e0y s\u1eed d\u1ee5ng l\u01b0\u1ee3ng gi\u00e1c. B\u1ea1n nh\u1eadp chi\u1ec1u cao khi c\u1ea7m \u0111i\u1ec7n tho\u1ea1i, h\u01b0\u1edbng \u0111i\u1ec7n tho\u1ea1i v\u00e0o ch\u00e2n v\u1eadt th\u1ec3, v\u00e0 \u1ee9ng d\u1ee5ng s\u1ebd t\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch d\u1ef1a tr\u00ean g\u00f3c. \u1ee8ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong m\u00f4i tr\u01b0\u1eddng r\u1ed9ng r\u00e3i v\u00e0 v\u1edbi c\u00e1c v\u1eadt th\u1ec3 l\u1edbn.<\/li>\n<li><strong>Th\u01b0\u1edbc \u0111o m\u00e0n h\u00ecnh<\/strong>Ch\u00fang m\u00f4 ph\u1ecfng m\u1ed9t th\u01b0\u1edbc \u0111o v\u1eadt l\u00fd d\u00e0nh cho c\u00e1c v\u1eadt nh\u1ecf v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n b\u1eb1ng m\u1ed9t v\u1eadt c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u00e3 bi\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t t\u1ea5m th\u1ebb.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c h\u01a1n.<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>H\u00e3y b\u1eadt t\u1ea5t c\u1ea3 \u0111\u00e8n trong ph\u00f2ng. \u00c1nh s\u00e1ng gi\u00fap c\u1ea3i thi\u1ec7n k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n b\u1ea5t k\u1ef3 c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng n\u00e0o.<\/li>\n<li>H\u00e3y th\u1ef1c hi\u1ec7n hi\u1ec7u ch\u1ec9nh ban \u0111\u1ea7u m\u1ed9t c\u00e1ch b\u00ecnh t\u0129nh: di chuy\u1ec3n \u0111i\u1ec7n tho\u1ea1i ch\u1eadm r\u00e3i, theo nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng r\u1ed9ng, cho \u0111\u1ebfn khi \u1ee9ng d\u1ee5ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t s\u00e0n ho\u1eb7c t\u01b0\u1eddng.<\/li>\n<li>Ghi \u0111i\u1ec3m \u0111\u1ea7u ti\u00ean khi thi\u1ebft b\u1ecb v\u1eabn gi\u1eef nguy\u00ean v\u1ecb tr\u00ed.<\/li>\n<li>\u0110i b\u1ed9 ch\u1eadm r\u00e3i \u0111\u1ebfn \u0111i\u1ec3m d\u1eebng th\u1ee9 hai, \u0111\u1eebng l\u1eafc \u0111i\u1ec7n tho\u1ea1i.<\/li>\n<li>Thay v\u00ec \u0111o m\u1ed9t \u0111o\u1ea1n d\u00e0i li\u00ean t\u1ee5c, h\u00e3y \u0111o theo t\u1eebng \u0111o\u1ea1n ng\u1eafn r\u1ed3i c\u1ed9ng ch\u00fang l\u1ea1i v\u1edbi nhau.<\/li>\n<li>L\u1eb7p l\u1ea1i hai ho\u1eb7c ba l\u1ea7n. N\u1ebfu c\u00e1c gi\u00e1 tr\u1ecb ch\u00eanh l\u1ec7ch \u0111\u00e1ng k\u1ec3, k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng \u0111\u00e1ng tin c\u1eady.<\/li>\n<li>L\u01b0u \u00fd \u0111\u1ebfn l\u01b0\u1ee3ng v\u1eadt li\u1ec7u d\u01b0 c\u1ea7n thi\u1ebft. Th\u00eam v\u00e0i centimet v\u1eadt li\u1ec7u s\u1ebd t\u1ed1n \u00edt chi ph\u00ed h\u01a1n so v\u1edbi vi\u1ec7c \u0111\u1eb7t h\u00e0ng l\u1ea1i.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110o \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u1edbi m\u00e1y \u1ea3nh b\u1ea9n \u2014 ch\u1ec9 c\u1ea7n lau nh\u1eb9 l\u00e0 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 theo d\u00f5i.<\/li>\n<li>H\u00e3y th\u1eed \u0111o so v\u1edbi m\u1ed9t b\u1ee9c t\u01b0\u1eddng tr\u1eafng tr\u01a1n kh\u00f4ng c\u00f3 h\u1ecda ti\u1ebft. \u0110\u1eb7t m\u1ed9t v\u1eadt th\u1ec3 v\u00e0o khung c\u1ea3nh \u0111\u1ec3 l\u00e0m \u0111i\u1ec3m tham chi\u1ebfu.<\/li>\n<li>Ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t k\u1ebft qu\u1ea3 \u0111\u1ecdc duy nh\u1ea5t.<\/li>\n<li>S\u1eed d\u1ee5ng k\u1ebft qu\u1ea3 \u0111\u00f3 cho b\u1ea3n d\u1ef1ng cu\u1ed1i c\u00f9ng.<\/li>\n<li>B\u1ecf qua c\u1ea3nh b\u00e1o c\u1ee7a \u1ee9ng d\u1ee5ng r\u1eb1ng qu\u00e1 tr\u00ecnh theo d\u00f5i \u0111\u00e3 b\u1ecb m\u1ea5t v\u00e0 v\u1eabn ti\u1ebfp t\u1ee5c \u0111o.<\/li>\n<\/ul>\n\n\n<h2>M\u00e1y \u1ea3nh c\u1ea7n nh\u00ecn th\u1ea5y g\u00ec \u0111\u1ec3 ph\u00e9p \u0111o ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c?<\/h2>\n<p>Th\u01b0\u1edbc d\u00e2y th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng kh\u00f4ng d\u00f9ng \u0111\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch: n\u00f3 <em>x\u00e2y d\u1ef1ng l\u1ea1i<\/em> M\u00f4i tr\u01b0\u1eddng. Thi\u1ebft b\u1ecb theo d\u00f5i c\u00e1c \u0111i\u1ec3m k\u1ebft c\u1ea5u trong khung h\u00ecnh t\u1eebng khung h\u00ecnh m\u1ed9t v\u00e0, b\u1eb1ng c\u00e1ch \u0111\u1ed1i chi\u1ebfu v\u1edbi c\u00e1c c\u1ea3m bi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng, t\u00ednh to\u00e1n v\u1ecb tr\u00ed c\u1ee7a camera trong kh\u00f4ng gian. Ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb \u0111\u00f3 \u2014 t\u1eeb v\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa hai \u0111i\u1ec3m trong qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o n\u00e0y.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y gi\u1ea3i th\u00edch t\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t t\u1ed1t trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p v\u00e0 th\u1ea5t b\u1ea1i trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p kh\u00e1c. N\u00f3 c\u1ea7n <strong>k\u1ebft c\u1ea5u \u0111\u1ec3 c\u1ea7m n\u1eafm<\/strong>:<\/p>\n<ul>\n<li><strong>N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t:<\/strong> S\u00e0n nh\u00e0 c\u00f3 hoa v\u0103n, t\u01b0\u1eddng kh\u00f4ng ho\u00e0n h\u1ea3o, g\u1ed7, g\u1ea1ch, th\u1ea3m, \u0111\u1ed3 n\u1ed9i th\u1ea5t \u0111\u01b0\u1ee3c trang tr\u00ed t\u1ec9 m\u1ec9.<\/li>\n<li><strong>S\u1ef1 th\u1ea5t b\u1ea1i:<\/strong> T\u01b0\u1eddng tr\u1eafng nh\u1eb5n, k\u00ednh, g\u01b0\u01a1ng, b\u1ec1 m\u1eb7t r\u1ea5t b\u00f3ng, m\u00f4i tr\u01b0\u1eddng t\u1ed1i. Kh\u00f4ng c\u00f3 \u0111i\u1ec3m tham chi\u1ebfu, vi\u1ec7c theo d\u00f5i sai s\u00f3t v\u00e0 \u0111o l\u01b0\u1eddng tr\u1edf n\u00ean v\u00f4 ngh\u0129a.<\/li>\n<\/ul>\n<p>\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00f9ng m\u1ed9t c\u0103n ph\u00f2ng l\u1ea1i cho ra c\u00e1c k\u1ebft qu\u1ea3 kh\u00e1c nhau: kh\u00f4ng ph\u1ea3i \u1ee9ng d\u1ee5ng thay \u0111\u1ed5i li\u00ean t\u1ee5c, m\u00e0 l\u00e0 l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00f3 s\u1eb5n \u0111\u1ec3 n\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng.<\/p>\n\n<h2>Quy tr\u00ecnh gi\u00fap gi\u1ea3m t\u1ef7 l\u1ec7 l\u1ed7i xu\u1ed1ng m\u1ed9t n\u1eeda.<\/h2>\n<ol>\n<li><strong>H\u00e3y b\u1eadt \u0111\u00e8n l\u00ean.<\/strong> \u0110\u00e2y l\u00e0 s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn nh\u1ea5t nh\u01b0ng l\u1ea1i b\u1ecb b\u1ecf qua nhi\u1ec1u nh\u1ea5t.<\/li>\n<li><strong>Di chuy\u1ec3n \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n ch\u1eadm r\u00e3i quanh ph\u00f2ng.<\/strong> Tr\u01b0\u1edbc khi ghi \u0111i\u1ec3m \u0111\u1ea7u ti\u00ean, \u1ee9ng d\u1ee5ng s\u1ebd y\u00eau c\u1ea7u \u0111i\u1ec1u n\u00e0y, v\u00e0 \u0111\u00f3 ch\u00ednh l\u00e0 th\u1eddi \u0111i\u1ec3m n\u00f3 x\u00e2y d\u1ef1ng b\u1ea3n \u0111\u1ed3 kh\u00f4ng gian.<\/li>\n<li><strong>Ghi \u0111i\u1ec3m \u0111\u1ea7u ti\u00ean \u1edf g\u00f3c s\u00e2n.<\/strong>, G\u00f3c l\u00e0 \u0111i\u1ec3m tham chi\u1ebfu \u1ed5n \u0111\u1ecbnh nh\u1ea5t t\u1ea1i n\u01a1i hai b\u1ec1 m\u1eb7t g\u1eb7p nhau.<\/li>\n<li><strong>Ti\u1ebfn g\u1ea7n h\u01a1n \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m<\/strong> Thay v\u00ec \u0111o t\u1eeb xa, sai s\u1ed1 s\u1ebd t\u0103ng theo kho\u1ea3ng c\u00e1ch.<\/li>\n<li><strong>\u0110o ba l\u1ea7n v\u00e0 s\u1eed d\u1ee5ng gi\u00e1 tr\u1ecb trung v\u1ecb.<\/strong>, Kh\u00f4ng ph\u1ea3i l\u1ea7n \u0111\u1ecdc \u0111\u1ea7u ti\u00ean.<\/li>\n<li><strong>H\u00e3y so s\u00e1nh n\u00f3 v\u1edbi m\u1ed9t th\u1ee9 g\u00ec \u0111\u00f3 quen thu\u1ed9c.<\/strong> H\u00e3y \u0111o k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t c\u00e1nh c\u1eeda ti\u00eau chu\u1ea9n ho\u1eb7c m\u1ed9t v\u1eadt th\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u00e3 bi\u1ebft tr\u01b0\u1edbc khi d\u1ef1a v\u00e0o c\u00e1c ph\u00e9p \u0111o kh\u00e1c \u2014 \u0111\u00f3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u chu\u1ea9n r\u1ebb nh\u1ea5t.<\/li>\n<\/ol>\n\n<h2>Khi s\u1ef1 ch\u00eanh l\u1ec7ch chi ph\u00ed \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 h\u1ee3p l\u00fd<\/h2>\n<p>N\u00ean so s\u00e1nh ba l\u1ef1a ch\u1ecdn n\u00e0y c\u1ea1nh nhau, v\u00ec s\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ch\u1ee9 kh\u00f4ng ph\u1ea3i gi\u00e1 c\u1ea3:<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng di \u0111\u1ed9ng.<\/strong> Ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed, lu\u00f4n b\u00ean b\u1ea1n. R\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 ki\u1ec3m tra xem gh\u1ebf sofa c\u00f3 v\u1eeba qua c\u1eeda kh\u00f4ng, \u01b0\u1edbc l\u01b0\u1ee3ng k\u00edch th\u01b0\u1edbc ph\u00f2ng v\u00e0 x\u00e1c minh xem t\u1ee7 l\u1ea1nh c\u00f3 v\u1eeba v\u1edbi kho\u1ea3ng tr\u1ed1ng \u0111\u00f3 kh\u00f4ng.<\/li>\n<li><strong>Th\u01b0\u1edbc d\u00e2y ho\u1eb7c th\u01b0\u1edbc \u0111o c\u1ea7m tay.<\/strong> N\u00f3 c\u00f3 gi\u00e1 r\u1ea5t r\u1ebb v\u00e0 l\u00e0 d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c nh\u1ea5t trong ba lo\u1ea1i d\u1ee5ng c\u1ee5 d\u00f9ng \u0111\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch ng\u1eafn. Kh\u00f4ng th\u1ec3 thi\u1ebfu khi c\u1ea7n c\u1eaft b\u1ecf s\u1ed1 \u0111o.<\/li>\n<li><strong>Th\u01b0\u1edbc d\u00e2y laser.<\/strong> N\u00f3 c\u00f3 gi\u00e1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ed9t b\u1eefa t\u1ed1i h\u1ee3p l\u00fd, \u0111o trong v\u00e0i gi\u00e2y, c\u00f3 th\u1ec3 \u0111o \u0111\u1ebfn h\u00e0ng ch\u1ee5c m\u00e9t v\u1edbi sai s\u1ed1 ch\u1ec9 v\u00e0i milim\u00e9t, v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean c\u1ea3 nh\u1eefng b\u1ee9c t\u01b0\u1eddng tr\u1eafng nh\u1eb5n \u2013 ch\u00ednh x\u00e1c l\u00e0 n\u01a1i m\u00e0 \u1ee9ng d\u1ee5ng kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi th\u01b0\u1eddng xuy\u00ean \u0111o \u0111\u1ea1c, n\u00f3 s\u1ebd ho\u00e0n v\u1ed1n ngay t\u1eeb l\u1ea7n mua v\u1eadt t\u01b0 \u0111\u1ea7u ti\u00ean, v\u1edbi gi\u00e1 c\u1ea3 kh\u00f4ng qu\u00e1 \u0111\u1eaft c\u0169ng kh\u00f4ng qu\u00e1 r\u1ebb.<\/li>\n<\/ul>\n<p>Nguy\u00ean t\u1eafc chung: <strong>N\u1ebfu con s\u1ed1 \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh vi\u1ec7c c\u1eaft v\u1eadt li\u1ec7u, ng\u00e2n s\u00e1ch c\u1ed1 \u0111\u1ecbnh ho\u1eb7c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng t\u00f9y ch\u1ec9nh, h\u00e3y s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng v\u1eadt l\u00fd.<\/strong> N\u1ebfu c\u1ea7n d\u00f9ng \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh, so s\u00e1nh ho\u1eb7c \u01b0\u1edbc t\u00ednh, \u1ee9ng d\u1ee5ng n\u00e0y ho\u00e0n th\u00e0nh t\u1ed1t nhi\u1ec7m v\u1ee5.<\/p>\n\n<h2>Nh\u1eefng gi\u1edbi h\u1ea1n \u0111\u00e1ng l\u01b0u \u00fd<\/h2>\n<ul>\n<li><strong>N\u00f3 kh\u00f4ng th\u1ec3 thay th\u1ebf th\u01b0\u1edbc d\u00e2y trong c\u00f4ng vi\u1ec7c x\u00e2y d\u1ef1ng.<\/strong> C\u00e1c c\u00f4ng vi\u1ec7c m\u1ed9c, x\u00e2y d\u1ef1ng v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0 vi\u1ec7c t\u00e1i t\u1ea1o h\u00ecnh \u1ea3nh b\u1eb1ng camera kh\u00f4ng th\u1ec3 cung c\u1ea5p.<\/li>\n<li><strong>N\u00f3 kh\u00f4ng \u0111o l\u01b0\u1eddng nh\u1eefng g\u00ec m\u00e1y \u1ea3nh kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y.<\/strong> Ph\u00eda sau \u0111\u1ed3 \u0111\u1ea1c, b\u00ean trong b\u1ee9c t\u01b0\u1eddng, ph\u00eda tr\u00ean tr\u1ea7n nh\u00e0.<\/li>\n<li><strong>N\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u00e0m t\u00e0i li\u1ec7u.<\/strong> Di\u1ec7n t\u00edch c\u1ee7a b\u1ea5t \u0111\u1ed9ng s\u1ea3n \u0111\u01b0\u1ee3c ghi trong gi\u1ea5y t\u1edd s\u1edf h\u1eefu xu\u1ea5t ph\u00e1t t\u1eeb b\u1ea3n kh\u1ea3o s\u00e1t do m\u1ed9t chuy\u00ean gia \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n th\u1ef1c hi\u1ec7n.<\/li>\n<li><strong>N\u00f3 kh\u00f4ng s\u1eeda l\u1ed7i cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/strong> M\u1ed9t \u0111i\u1ec3m \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u sai v\u1ecb tr\u00ed s\u1ebd t\u1ea1o ra con s\u1ed1 sai v\u1edbi c\u00f9ng \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i\u1ec7n tho\u1ea1i c\u1ee7a t\u00f4i kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng th\u01b0\u1edbc d\u00e2y. T\u1ea1i sao v\u1eady?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111o l\u01b0\u1eddng b\u1eb1ng th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c thi\u1ebft b\u1ecb c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi ARCore tr\u00ean Android ho\u1eb7c ARKit tr\u00ean iPhone hay kh\u00f4ng. C\u00e1c m\u1eabu m\u00e1y c\u0169 h\u01a1n v\u00e0 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u1ea5p th\u1ea5p kh\u00f4ng n\u1eb1m trong danh s\u00e1ch t\u01b0\u01a1ng th\u00edch, v\u00e0 trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, \u1ee9ng d\u1ee5ng s\u1ebd \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t nh\u01b0ng kh\u00f4ng th\u1ef1c hi\u1ec7n ph\u00e9p \u0111o. Gi\u1ea3i ph\u00e1p thay th\u1ebf l\u00e0 s\u1eed d\u1ee5ng c\u00e1c \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean l\u01b0\u1ee3ng gi\u00e1c, ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c c\u1ea3m bi\u1ebfn th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Li\u1ec7u c\u00f3 t\u1ed3n t\u1ea1i \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng n\u00e0o c\u00f3 th\u01b0\u1edbc \u0111o laser th\u1ef1c s\u1ef1 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb cao c\u1ea5p bao g\u1ed3m c\u00e1c c\u1ea3m bi\u1ebfn \u0111\u1ed9 s\u00e2u, ch\u1eb3ng h\u1ea1n nh\u01b0 LiDAR ho\u1eb7c ToF, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng \u0111o l\u01b0\u1eddng. Tuy nhi\u00ean, m\u1ee5c \u0111\u00edch c\u1ee7a c\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y l\u00e0 h\u1ed7 tr\u1ee3 l\u1ea5y n\u00e9t v\u00e0 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ec3 thay th\u1ebf c\u00e1c d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c\u2014v\u00e0 k\u1ebft qu\u1ea3 v\u1eabn ch\u1ec9 l\u00e0 \u01b0\u1edbc t\u00ednh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Li\u1ec7u c\u00f3 th\u1ec3 \u0111o \u0111\u1ea1c to\u00e0n b\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u1ea1o ra b\u1ea3n v\u1ebd m\u1eb7t b\u1eb1ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady, \u0111\u00f3 ch\u00ednh x\u00e1c l\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng b\u1ea3n v\u1ebd m\u1eb7t b\u1eb1ng. B\u1ea3n v\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean l\u1ea1c v\u1edbi th\u1ee3 m\u1ed9c, ki\u1ebfn tr\u00fac s\u01b0 ho\u1eb7c nh\u00e0 th\u1ea7u x\u00e2y d\u1ef1ng v\u00e0 \u0111\u1ec3 t\u00ednh to\u00e1n v\u1eadt li\u1ec7u. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng thay th\u1ebf kh\u1ea3o s\u00e1t k\u1ef9 thu\u1eadt khi d\u1ef1 \u00e1n y\u00eau c\u1ea7u ph\u00ea duy\u1ec7t ho\u1eb7c tr\u00e1ch nhi\u1ec7m ch\u00ednh th\u1ee9c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng c\u1ee5 \u0111o \u0111i\u1ec7n t\u1eed tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u01b0\u1edbc l\u01b0\u1ee3ng t\u1ed1t. N\u00f3 gi\u00fap b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i mang theo d\u1ee5ng c\u1ee5, h\u1eefu \u00edch cho vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch mua s\u1eafm v\u00e0 ng\u00e2n s\u00e1ch, v\u00e0 c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c \u1edf nh\u1eefng \u0111i\u1ec3m m\u00e0 th\u01b0\u1edbc d\u00e2y v\u1eadt l\u00fd kh\u00f4ng th\u1ec3 v\u1edbi t\u1edbi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c. N\u00f3 thi\u1ebfu ph\u1ea7n c\u1ee9ng \u0111\u1ec3 \u0111o th\u1eddi gian bay, v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng t\u00edch l\u0169y sai s\u1ed1 do kho\u1ea3ng c\u00e1ch v\u00e0 thi\u1ebfu \u00e1nh s\u00e1ng. H\u00e3y s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch; x\u00e1c nh\u1eadn l\u1ea1i b\u1eb1ng th\u01b0\u1edbc d\u00e2y th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi c\u1eaft.<\/p>\n\n\n<h2>\u0110\u1ecdc qu\u00e1<\/h2>\n<ul>\n<li><a href=\"https:\/\/crismob.com\/vi_eu\/app-weigh-animals-using-your-cell-phone\/\">C\u00e2n tr\u1ecdng l\u01b0\u1ee3ng \u0111\u1ed9ng v\u1eadt b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng: \u1ee8ng d\u1ee5ng ghi l\u1ea1i nh\u1eefng g\u00ec v\u00e0 \u01b0\u1edbc t\u00ednh tr\u1ecdng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/vi_eu\/ung-dung-mien-phi-de-khoi-phuc-video-tu-dien-thoai-di-dong\/\">Kh\u00f4i ph\u1ee5c video t\u1eeb \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng: N\u00ean ki\u1ec3m tra nh\u1eefng g\u00ec tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/vi_eu\/offline-game-apps-play-wherever-and-whenever-you-want\/\">Game ngo\u1ea1i tuy\u1ebfn tr\u00ean di \u0111\u1ed9ng: Nh\u1eefng t\u1ef1a game hay nh\u1ea5t \u0111\u1ec3 ch\u01a1i m\u00e0 kh\u00f4ng c\u1ea7n internet.<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/vi_eu\/gps-apps-for-trucks\/\">GPS d\u00e0nh cho xe t\u1ea3i: \u0110\u1ecbnh tuy\u1ebfn theo chi\u1ec1u cao v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng, v\u00e0 nh\u1eefng \u0111i\u1ec3m y\u1ebfu c\u1ee7a n\u00f3.<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/vi_eu\/application-to-eliminate-virus-from-your-cellphone\/\">Ph\u1ea7n m\u1ec1m di\u1ec7t virus tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n: Ngu\u1ed3n l\u00e2y nhi\u1ec5m tr\u00ean Android v\u00e0 iPhone \u0111\u1ebfn t\u1eeb \u0111\u00e2u?<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/vi_eu\/application-to-charge-cell-phone-using-solar-energy\/\">B\u1ed9 s\u1ea1c n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi cho \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng: t\u1ea1i sao kh\u00f4ng c\u00f3 \u1ee9ng d\u1ee5ng n\u00e0o l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y?<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Existe uma diferen\u00e7a que muda tudo na hora de usar uma trena digital no celular: o aparelho n\u00e3o mede dist\u00e2ncia \u2014 ele a calcula. Entender essa\u2026<\/p>","protected":false},"author":1,"featured_media":94879,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_revidia_rewards_active":"","footnotes":""},"categories":[3,1],"tags":[],"class_list":["post-94745","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dicas","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trena Digital no Celular: Como Medir Melhor e Onde Ela Falha - Crismob<\/title>\n<meta name=\"description\" content=\"Um guia pr\u00e1tico de medi\u00e7\u00e3o por realidade aumentada: calibra\u00e7\u00e3o, erro esperado, cuidados de luz e as situa\u00e7\u00f5es em que s\u00f3 a trena f\u00edsica serve.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/crismob.com\/vi_eu\/hay-hoc-cach-do-chinh-xac-bang-thuoc-day-dien-tu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trena Digital no Celular: Como Medir Melhor e Onde Ela Falha - 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