{"id":13265,"date":"2024-04-28T10:47:37","date_gmt":"2024-04-28T02:47:37","guid":{"rendered":"https:\/\/shchimay.com\/?p=13265"},"modified":"2024-04-29T14:38:28","modified_gmt":"2024-04-29T06:38:28","slug":"arduino-water-monitoring-system","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/arduino-water-monitoring-system\/","title":{"rendered":"h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc arduino"},"content":{"rendered":"<h1 id=\"how-to-build-an-arduino-water-monitoring-system-for-your-home-wpaicgheading\">C\u00e1ch x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc Arduino cho ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n<\/h1>\n<p>\nN\u01b0\u1edbc l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 c\u1ea7n thi\u1ebft cho s\u1ef1 s\u1ed1ng. V\u1edbi nh\u1eefng lo ng\u1ea1i v\u1ec1 t\u00ecnh tr\u1ea1ng khan hi\u1ebfm n\u01b0\u1edbc v\u00e0 \u00f4 nhi\u1ec5m ng\u00e0y c\u00e0ng gia t\u0103ng, vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 ti\u1ebft ki\u1ec7m vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n bao gi\u1edd h\u1ebft. M\u1ed9t c\u00e1ch \u0111\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y l\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc Arduino cho ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n. Arduino l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111i\u1ec7n t\u1eed ngu\u1ed3n m\u1edf cho ph\u00e9p b\u1ea1n t\u1ea1o c\u00e1c d\u1ef1 \u00e1n t\u01b0\u01a1ng t\u00e1c. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n quy tr\u00ecnh x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n b\u1eb1ng Arduino.<br \/>\n<div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-13265-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CCT-5300E-Series.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CCT-5300E-Series.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CCT-5300E-Series.mp4<\/a><\/video><\/div><br \/>\n<div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-13265-2\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-1800.mp4?_=2\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-1800.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-1800.mp4<\/a><\/video><\/div>\u0110\u1ec3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc, b\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n ch\u00ednh. Ch\u00fang bao g\u1ed3m b\u1ea3ng Arduino, c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc, van \u0111i\u1ec7n t\u1eeb v\u00e0 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb. C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u1ea3y qua \u0111\u01b0\u1eddng \u1ed1ng, trong khi van \u0111i\u1ec7n t\u1eeb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc. M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb s\u1ebd hi\u1ec3n th\u1ecb cho b\u1ea1n d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u1ec1 l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1eed d\u1ee5ng.<\/p>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc c\u1ee7a b\u1ea1n l\u00e0 k\u1ebft n\u1ed1i c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u1edbi bo m\u1ea1ch Arduino. C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 ba ch\u00e2n: VCC, GND v\u00e0 OUT. K\u1ebft n\u1ed1i ch\u00e2n VCC v\u1edbi ch\u00e2n 5V tr\u00ean bo m\u1ea1ch Arduino, ch\u00e2n GND v\u1edbi ch\u00e2n GND v\u00e0 ch\u00e2n OUT v\u1edbi ch\u00e2n k\u1ef9 thu\u1eadt s\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u00e2n 2. Ti\u1ebfp theo, k\u1ebft n\u1ed1i van \u0111i\u1ec7n t\u1eeb v\u1edbi bo m\u1ea1ch Arduino. Van \u0111i\u1ec7n t\u1eeb c\u00f3 hai ch\u00e2n: VCC v\u00e0 GND. K\u1ebft n\u1ed1i ch\u00e2n VCC v\u1edbi ch\u00e2n 5V tr\u00ean bo m\u1ea1ch Arduino v\u00e0 ch\u00e2n GND v\u1edbi ch\u00e2n GND.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Oline d\u1eabn \u0111i\u1ec7n\/n\u1ed3ng \u0111\u1ed9 c\u1ea3m \u1ee9ng CIT-8800<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp trung<\/td>\n<td>1.NaOH:(0~15) ph\u1ea7n tr\u0103m ho\u1eb7c (25~50) ph\u1ea7n tr\u0103m ; 2.HNO<sub>3<\/sub>:(0~25) ph\u1ea7n tr\u0103m ho\u1eb7c (36~82) ph\u1ea7n tr\u0103m ; 3. \u0110\u01b0\u1eddng cong n\u1ed3ng \u0111\u1ed9 do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(500~2.000.000)uS\/cm<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>(250~1.000.000)ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>(0~120)\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 0,01uS\/cm; N\u1ed3ng \u0111\u1ed9: 0,01% ; TDS:0,01ppm, Nhi\u1ec7t \u0111\u1ed9: 0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: (500~1000)uS\/cm +\/-10uS\/cm; (1~2000)mS\/cm+\/-1,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>TDS: c\u1ea5p 1,5, Nhi\u1ec7t \u0111\u1ed9: +\/- 0,5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\n<td>Ph\u1ea1m vi: (0~120)\u00b0C; ph\u1ea7n t\u1eed: Pt1000<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed5ng giao ti\u1ebfp<\/td>\n<td>Giao th\u1ee9c RS485.Modbus RTU<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\n<td>Hai k\u00eanh c\u00e1ch ly\/c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (4-20)mA, Thi\u1ebft b\u1ecb \/ M\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\n<td>C\u00f4ng t\u1eafc quang \u0111i\u1ec7n b\u00e1n d\u1eabn ba k\u00eanh, C\u00f4ng t\u1eafc l\u1eadp tr\u00ecnh, xung v\u00e0 t\u1ea7n s\u1ed1<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(0~50)\u2103; \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 lt;95% RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(-20~60)\u2103;\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>DC 24V+15% <\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP65 (c\u00f3 n\u1eafp sau)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96mmx96mmx94mm(CxRxD)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>9lmx91mm(CxR)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CLA-7000-series-Total-chlorine-DPD-Online2.png\" alt=\"alt-105\" class=\"wp-image-105\" id=\"i105\" \/><br \/>\nKhi b\u1ea1n \u0111\u00e3 k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u vi\u1ebft m\u00e3 cho h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc c\u1ee7a m\u00ecnh. M\u00e3 s\u1ebd \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. N\u00f3 c\u0169ng s\u1ebd \u0111i\u1ec1u khi\u1ec3n van \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng n\u01b0\u1edbc. B\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh m\u00e3 \u0111\u1ec3 \u0111\u1eb7t ng\u01b0\u1ee1ng s\u1eed d\u1ee5ng n\u01b0\u1edbc v\u00e0 nh\u1eadn c\u1ea3nh b\u00e1o khi v\u01b0\u1ee3t qu\u00e1 c\u00e1c ng\u01b0\u1ee1ng n\u00e0y.<\/p>\n<p>Sau khi vi\u1ebft m\u00e3, h\u00e3y t\u1ea3i m\u00e3 l\u00ean bo m\u1ea1ch Arduino v\u00e0 ki\u1ec3m tra h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc c\u1ee7a b\u1ea1n. B\u1ea1n s\u1ebd th\u1ea5y d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ki\u1ec3m tra van \u0111i\u1ec7n t\u1eeb b\u1eb1ng c\u00e1ch b\u1eadt t\u1eaft \u0111\u1ec3 ki\u1ec3m so\u00e1t d\u00f2ng n\u01b0\u1edbc. N\u1ebfu m\u1ecdi th\u1ee9 \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c th\u00ec b\u1ea1n \u0111\u00e3 x\u00e2y d\u1ef1ng th\u00e0nh c\u00f4ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc cho ng\u00f4i nh\u00e0 c\u1ee7a m\u00ecnh.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>S\u1ed1 m\u1eabu<\/td>\n<td colspan=\"2\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1ef1c tuy\u1ebfn \u0111\u1ed9 d\u1eabn \/ n\u1ed3ng \u0111\u1ed9 c\u1ea3m \u1ee9ng CIT-8800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"6\">Ph\u1ea1m vi \u0111o<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>0,00\u03bcS\/cm ~ 2000mS\/cm<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">T\u1eadp trung<\/td>\n<td>1.NaOH\uff0c\uff080-15\uff09 ph\u1ea7n tr\u0103m ho\u1eb7c\uff0825-50\uff09 ph\u1ea7n tr\u0103m \uff1b<\/td>\n<\/tr>\n<tr>\n<td>2.HNO3\uff08l\u01b0u \u00fd kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a c\u1ea3m bi\u1ebfn\uff09\uff080-25\uff09 ph\u1ea7n tr\u0103m ho\u1eb7c\uff0836-82\uff09 ph\u1ea7n tr\u0103m \uff1b<\/td>\n<\/tr>\n<tr>\n<td>3.\u0110\u01b0\u1eddng cong n\u1ed3ng \u0111\u1ed9 do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>0,00ppm~1000ppt<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>\uff080.0 ~ 120.0\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>0,01\u03bcS\/cm<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp trung<\/td>\n<td>0.01%<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>0,01ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"5\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td rowspan=\"3\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>0\u03bcS\/cm ~1000\u03bcS\/cm \u00b110\u03bcS\/cm<\/td>\n<\/tr>\n<tr>\n<td>1 mS\/cm~500 mS\/cm \u00b11,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>500mS\/cm~2000 mS\/cm \u00b11,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>1,5 c\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\n<td>ph\u1ea7n t\u1eed<\/td>\n<td>Pt1000<\/td>\n<\/tr>\n<tr>\n<td>ph\u1ea1m vi<\/td>\n<td>\uff080.0~120.0\uff09\u2103 b\u00f9 tuy\u1ebfn t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\uff084~20\uff09mA D\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra<\/td>\n<td>k\u00eanh<\/td>\n<td>K\u00eanh \u0111\u00f4i<\/td>\n<\/tr>\n<tr>\n<td>t\u00ednh n\u0103ng<\/td>\n<td>C\u00e1ch ly, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, \u0111\u1ea3o ng\u01b0\u1ee3c, \u0111\u1ea7u ra 4-20MA, ch\u1ebf \u0111\u1ed9 thi\u1ebft b\u1ecb\/m\u00e1y ph\u00e1t.<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p<\/td>\n<td>400\u03a9\uff08Max\uff09\uff0cDC 24V<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>\u00b10.1mA<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"5\">Ki\u1ec3m so\u00e1t li\u00ean h\u1ec7<\/td>\n<td>K\u00eanh<\/td>\n<td>Ba k\u00eanh<\/td>\n<\/tr>\n<tr>\n<td>Li\u00ean h\u1ec7<\/td>\n<td>\u0110\u1ea7u ra r\u01a1le quang \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>C\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh<\/td>\n<td>C\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh \uff08 nhi\u1ec7t \u0111\u1ed9 \u3001\u0111\u1ed9 d\u1eabn\/n\u1ed3ng \u0111\u1ed9\/TDS\u3001th\u1eddi gian\uff09\u0111\u1ea7u ra<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh n\u0103ng<\/td>\n<td>C\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9\u3001\u0111\u1ed9 d\u1eabn\/n\u1ed3ng \u0111\u1ed9\/TDS\u3001 th\u1eddi gian l\u1ef1a ch\u1ecdn NO\/NC\/ PID<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea3i \u0111i\u1ec7n tr\u1edf<\/td>\n<td>50mA\uff08Max\uff09\uff0cAC\/DC 30V\uff08Max\uff09<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp d\u1eef li\u1ec7u<\/td>\n<td colspan=\"2\">Giao th\u1ee9c RS485,MODBUS<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"2\">DC 24V\u00b14V<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"2\">5.5W<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9\uff1a\uff080~50\uff09\u2103 \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5 )<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 nh\u1edb<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9\uff1a(-20~60)\u2103 \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td colspan=\"2\">IP65\uff08c\u00f3 n\u1eafp sau\uff09<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc ph\u00e1c th\u1ea3o<\/td>\n<td colspan=\"2\">96mm\u00d796 mm\u00d794mm (H\u00d7W\u00d7D)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"2\">91mm\u00d791mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"2\">G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nT\u00f3m l\u1ea1i, x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc Arduino l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 theo d\u00f5i v\u00e0 ti\u1ebft ki\u1ec7m l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1eed d\u1ee5ng trong nh\u00e0 b\u1ea1n. B\u1eb1ng c\u00e1ch theo d\u00f5i vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc theo th\u1eddi gian th\u1ef1c, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng khu v\u1ef1c n\u01b0\u1edbc \u0111ang b\u1ecb l\u00e3ng ph\u00ed v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5. V\u1edbi t\u1ea7m quan tr\u1ecdng ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a vi\u1ec7c b\u1ea3o t\u1ed3n n\u01b0\u1edbc, h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb cho ch\u1ee7 nh\u00e0. V\u1eady t\u1ea1i sao b\u1ea1n kh\u00f4ng th\u1eed v\u00e0 b\u1eaft \u0111\u1ea7u theo d\u00f5i vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc c\u1ee7a m\u00ecnh ngay h\u00f4m nay?<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-2015-RO\u7a0b\u5e8f\u63a7\u5236\u56684.png\" alt=\"alt-1010\" class=\"wp-image-1010\" id=\"i1010\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t n\u01b0\u1edbc Arduino cho ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n N\u01b0\u1edbc l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 c\u1ea7n thi\u1ebft cho s\u1ef1 s\u1ed1ng. V\u1edbi nh\u1eefng lo ng\u1ea1i v\u1ec1 t\u00ecnh tr\u1ea1ng khan hi\u1ebfm n\u01b0\u1edbc v\u00e0 \u00f4 nhi\u1ec5m ng\u00e0y c\u00e0ng gia t\u0103ng, vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 ti\u1ebft ki\u1ec7m vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc tr\u1edf n\u00ean&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2031,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[200],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":false,"content":false,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13265"}],"collection":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/comments?post=13265"}],"version-history":[{"count":10,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13265\/revisions"}],"predecessor-version":[{"id":13691,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13265\/revisions\/13691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/2031"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=13265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=13265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=13265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}