{"id":12098,"date":"2024-04-20T20:47:58","date_gmt":"2024-04-20T12:47:58","guid":{"rendered":"https:\/\/shchimay.com\/?p=12098"},"modified":"2024-04-21T10:31:07","modified_gmt":"2024-04-21T02:31:07","slug":"ph-meter-with-arduino","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/ph-meter-with-arduino\/","title":{"rendered":"m\u00e1y \u0111o ph v\u1edbi arduino"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shchimay.com\/vi\/ph-meter-with-arduino\/#Cach_che_tao_may_do_pH_bang_Arduino\" title=\"C\u00e1ch ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino\">C\u00e1ch ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shchimay.com\/vi\/ph-meter-with-arduino\/#Theo_doi_do_pH_cua_dat_bang_may_do_pH_Arduino\" title=\"Theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u00e1y \u0111o pH Arduino\">Theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u00e1y \u0111o pH Arduino<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"how-to-build-a-ph-meter-using-arduino-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cach_che_tao_may_do_pH_bang_Arduino\"><\/span>C\u00e1ch ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH l\u00e0 thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a ch\u1ea5t l\u1ecfng. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m, n\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o duy tr\u00ec m\u1ee9c \u0111\u1ed9 pH th\u00edch h\u1ee3p. M\u00e1y \u0111o pH c\u00f3 th\u1ec3 \u0111\u1eaft ti\u1ec1n, nh\u01b0ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed DIY, gi\u1edd \u0111\u00e2y b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH c\u1ee7a ri\u00eang m\u00ecnh b\u1eb1ng Arduino.<\/p>\n<p>Arduino l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111i\u1ec7n t\u1eed ngu\u1ed3n m\u1edf cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ea1o c\u00e1c d\u1ef1 \u00e1n t\u01b0\u01a1ng t\u00e1c. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u1ed9ng \u0111\u1ed3ng nh\u00e0 s\u1ea3n xu\u1ea5t v\u00ec t\u00ednh linh ho\u1ea1t v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p bo m\u1ea1ch Arduino v\u1edbi c\u1ea3m bi\u1ebfn pH, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u00e1y \u0111o pH ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/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 tr\u1ef1c tuy\u1ebfn \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n d\u00f2ng CCT-3300<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng \u0111\u1ed5i<\/td>\n<td>0,01cm<sup>-1<\/sup>, 0,1cm<sup>-1<\/sup>, 1,0cm<sup>-1<\/sup>, 10,0 cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(0,5~20)mS\/cm,(0,5~2.000)uS\/cm, (0,5~200)uS\/cm, (0,05~18,25)MQ\u00b7cm<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>(250~10.000)ppm, (0,5~1.000)ppm, (0,25~100)ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td>(0~50)\u2103<\/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, TDS:0,01ppm, Nhi\u1ec7t \u0111\u1ed9: 0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 1,5% (FS), \u0110i\u1ec7n tr\u1edf su\u1ea5t:2,0% (FS), TDS: 1,5% (FS), 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>(0-50)\u00b0C (v\u1edbi 25\u2103 l\u00e0 Ti\u00eau chu\u1ea9n)<\/td>\n<\/tr>\n<tr>\n<td>Chi\u1ec1u d\u00e0i c\u00e1p<\/td>\n<td>\u22645m(MAX)<\/td>\n<\/tr>\n<tr>\n<td>\u0111\u1ea7u ra mA<\/td>\n<td>C\u00e1ch ly (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>ti\u1ebfp \u0111i\u1ec3m r\u01a1le: B\u1eacT\/T\u1eaeT, C\u00f4ng su\u1ea5t t\u1ea3i: AC 230V\/5A(Max)<\/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;\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>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>CCT-3300:DC 24V; CCT-3310: AC 110V; CCT-3320: AC 220V<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>48mmx96mmx80mm(HxWxD)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>44mmx92mm(CxR)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td>G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\n\u0110\u1ec3 ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino, b\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n ch\u00ednh. Th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t l\u00e0 c\u1ea3m bi\u1ebfn pH, c\u00f3 nhi\u1ec7m v\u1ee5 \u0111o \u0111\u1ed9 pH c\u1ee7a ch\u1ea5t l\u1ecfng. C\u00f3 r\u1ea5t nhi\u1ec1u c\u1ea3m bi\u1ebfn pH c\u00f3 s\u1eb5n tr\u00ean th\u1ecb tr\u01b0\u1eddng, nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ch\u1ecdn m\u1ed9t c\u1ea3m bi\u1ebfn t\u01b0\u01a1ng th\u00edch v\u1edbi Arduino. Ngo\u00e0i ra, b\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t bo m\u1ea1ch Arduino, m\u1ed9t b\u1ea3ng m\u1ea1ch, d\u00e2y n\u1ed1i v\u00e0 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb c\u00e1c ch\u1ec9 s\u1ed1 pH.<\/p>\n<p>Sau khi \u0111\u00e3 thu th\u1eadp t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng m\u00e1y \u0111o pH c\u1ee7a m\u00ecnh. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i c\u1ea3m bi\u1ebfn pH v\u1edbi bo m\u1ea1ch Arduino b\u1eb1ng d\u00e2y n\u1ed1i. \u0110\u1ea3m b\u1ea3o tu\u00e2n theo s\u01a1 \u0111\u1ed3 n\u1ed1i d\u00e2y do nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea3m bi\u1ebfn cung c\u1ea5p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i th\u00edch h\u1ee3p. Ti\u1ebfp theo, k\u1ebft n\u1ed1i bo m\u1ea1ch Arduino v\u1edbi m\u00e0n h\u00ecnh b\u1eb1ng d\u00e2y nh\u1ea3y. \u0110i\u1ec1u n\u00e0y s\u1ebd cho ph\u00e9p b\u1ea1n xem ch\u1ec9 s\u1ed1 pH trong th\u1eddi gian th\u1ef1c.<\/p>\n<p><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-12098-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4<\/a><\/video><\/div>Sau khi k\u1ebft n\u1ed1i t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n, b\u1ea1n s\u1ebd c\u1ea7n vi\u1ebft m\u00e3 \u0111\u1ec3 l\u1eadp tr\u00ecnh b\u1ea3ng Arduino. M\u00e3 s\u1ebd h\u01b0\u1edbng d\u1eabn Arduino \u0111\u1ecdc d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn pH v\u00e0 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm m\u00e3 m\u1eabu tr\u1ef1c tuy\u1ebfn ho\u1eb7c t\u1ea1o m\u00e3 m\u1eabu c\u1ee7a ri\u00eang m\u00ecnh d\u1ef1a tr\u00ean y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. \u0110\u1ea3m b\u1ea3o ki\u1ec3m tra m\u00e3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH.<\/p>\n<p>Sau khi l\u1eadp tr\u00ecnh th\u00e0nh c\u00f4ng b\u1ea3ng Arduino, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng m\u00e1y \u0111o pH t\u1ef1 l\u00e0m c\u1ee7a m\u00ecnh. Ch\u1ec9 c\u1ea7n nh\u00fang c\u1ea3m bi\u1ebfn pH v\u00e0o ch\u1ea5t l\u1ecfng b\u1ea1n mu\u1ed1n ki\u1ec3m tra v\u00e0 \u0111\u1ee3i k\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. M\u00e1y \u0111o pH s\u1ebd cung c\u1ea5p cho b\u1ea1n c\u00e1c ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n theo d\u00f5i \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a ch\u1ea5t l\u1ecfng.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/TUR-2200L-2.jpg\" alt=\"alt-2910\" class=\"wp-image-2910\" id=\"i2910\" \/><\/p>\n<p>Ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb v\u00e0 mang t\u00ednh gi\u00e1o d\u1ee5c m\u00e0 b\u1ea5t k\u1ef3 ai c\u00f3 ki\u1ebfn \u200b\u200bth\u1ee9c \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n \u0111\u1ec1u c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ebft ki\u1ec7m chi ph\u00ed cho m\u00e1y \u0111o pH th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Cho d\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi c\u00f3 s\u1edf th\u00edch hay chuy\u00ean nghi\u1ec7p, m\u00e1y \u0111o pH t\u1ef1 l\u00e0m c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb trong kho v\u0169 kh\u00ed c\u1ee7a b\u1ea1n.<\/p>\n<p>T\u00f3m l\u1ea1i, ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino l\u00e0 m\u1ed9t d\u1ef1 \u00e1n b\u1ed5 \u00edch, v\u1eeba mang t\u00ednh gi\u00e1o d\u1ee5c v\u1eeba th\u1ef1c t\u1ebf. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p bo m\u1ea1ch Arduino v\u1edbi c\u1ea3m bi\u1ebfn pH, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u00e1y \u0111o pH ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. V\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ph\u00f9 h\u1ee3p v\u00e0 m\u1ed9t ch\u00fat l\u1eadp tr\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp v\u00e0 ch\u1ea1y m\u00e1y \u0111o pH c\u1ee7a ri\u00eang m\u00ecnh ngay l\u1eadp t\u1ee9c. V\u1eady t\u1ea1i sao b\u1ea1n kh\u00f4ng th\u1eed xem b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng g\u00ec v\u1edbi Arduino?<\/p>\n<h1 id=\"monitoring-soil-ph-levels-with-arduino-ph-meter-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Theo_doi_do_pH_cua_dat_bang_may_do_pH_Arduino\"><\/span>Theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u00e1y \u0111o pH Arduino<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. Vi\u1ec7c theo d\u00f5i c\u00e1c m\u1ee9c n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n t\u1ed1i \u01b0u cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. M\u1ed9t c\u00e1ch \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y l\u00e0 s\u1eed d\u1ee5ng m\u00e1y \u0111o pH v\u1edbi Arduino, m\u1ed9t n\u1ec1n t\u1ea3ng \u0111i\u1ec7n t\u1eed ngu\u1ed3n m\u1edf ph\u1ed5 bi\u1ebfn cho ph\u00e9p t\u1ea1o c\u00e1c d\u1ef1 \u00e1n t\u01b0\u01a1ng t\u00e1c.<\/p>\n<p>M\u00e1y \u0111o pH Arduino t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 ch\u1ebf t\u1ea1o v\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p s\u1ed1 \u0111\u1ecdc pH ch\u00ednh x\u00e1c theo th\u1eddi gian th\u1ef1c c\u1ee7a \u0111\u1ea5t. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u1ea3m bi\u1ebfn pH v\u1edbi b\u1ea3ng Arduino, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1o ra gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t.<\/p>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9900-Conductivity-Resistivity-Measurement-and-Control-Instrument5-1.png\" alt=\"alt-2917\" class=\"wp-image-2917\" id=\"i2917\" \/><br \/>\n\u0110\u1ec3 ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino, b\u1ea1n s\u1ebd c\u1ea7n c\u1ea3m bi\u1ebfn pH, b\u1ea3ng Arduino, b\u1ea3ng m\u1ea1ch v\u00e0 m\u1ed9t s\u1ed1 d\u00e2y n\u1ed1i. C\u1ea3m bi\u1ebfn pH l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a thi\u1ebft l\u1eadp, v\u00ec n\u00f3 ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. C\u1ea3m bi\u1ebfn th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi m\u1ed9t \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ea5t \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o.<\/p>\n<p>Sau khi c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u l\u1eafp r\u00e1p m\u00e1y \u0111o pH. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i c\u1ea3m bi\u1ebfn pH v\u1edbi bo m\u1ea1ch Arduino b\u1eb1ng d\u00e2y n\u1ed1i. \u0110\u1ea3m b\u1ea3o tu\u00e2n theo s\u01a1 \u0111\u1ed3 n\u1ed1i d\u00e2y do nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea3m bi\u1ebfn cung c\u1ea5p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u0111\u00fang c\u00e1ch.<\/p>\n<p>Ti\u1ebfp theo, t\u1ea3i m\u00e3 Arduino l\u00ean bo m\u1ea1ch. M\u00e3 s\u1ebd h\u01b0\u1edbng d\u1eabn Arduino \u0111\u1ecdc d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn pH v\u00e0 hi\u1ec3n th\u1ecb m\u1ee9c pH tr\u00ean m\u00e0n h\u00ecnh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0n h\u00ecnh LCD ho\u1eb7c m\u00e0n h\u00ecnh m\u00e1y t\u00ednh. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp Arduino \u0111\u1ec3 g\u1eedi d\u1eef li\u1ec7u \u0111\u1ed9 pH \u0111\u1ebfn n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y \u0111\u1ec3 theo d\u00f5i t\u1eeb xa.<\/p>\n<p>Sau khi thi\u1ebft l\u1eadp v\u00e0 ch\u1ea1y m\u00e1y \u0111o \u0111\u1ed9 pH, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. Ch\u1ec9 c\u1ea7n c\u1eafm \u0111\u1ea7u d\u00f2 c\u1ea3m bi\u1ebfn pH v\u00e0o \u0111\u1ea5t v\u00e0 \u0111\u1ee3i Arduino hi\u1ec3n th\u1ecb m\u1ee9c pH. B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec1u ph\u00e9p \u0111o t\u1ea1i c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau trong \u0111\u1ea5t \u0111\u1ec3 hi\u1ec3u to\u00e0n di\u1ec7n v\u1ec1 m\u1ee9c \u0111\u1ed9 pH trong khu v\u01b0\u1eddn ho\u1eb7c trang tr\u1ea1i c\u1ee7a m\u00ecnh.<\/p>\n<p>S\u1eed d\u1ee5ng m\u00e1y \u0111o pH v\u1edbi Arduino mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf so v\u1edbi m\u00e1y \u0111o pH truy\u1ec1n th\u1ed1ng. M\u00e1y \u0111o pH Arduino ti\u1ebft ki\u1ec7m chi ph\u00ed, c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. Ch\u00fang c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t hi\u1ec7n c\u00f3 v\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\">M\u00e1y \u0111o pH\/ORP tr\u1ef1c tuy\u1ebfn d\u00f2ng pH\/ORP-3500<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>pH<\/td>\n<td>ORP<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td>0,00\uff5e14,00<\/td>\n<td>(-2000\uff5e+2000)mV<\/td>\n<td>(0.0\uff5e99.9)\u2103\uff08Nhi\u1ec7t \u0111\u1ed9. B\u1ed3i th\u01b0\u1eddng \uff1aNTC10K)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>0.01<\/td>\n<td>1mV<\/td>\n<td>0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10.1<\/td>\n<td>\u00b15mV\uff08b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed\uff09<\/td>\n<td>\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Dung d\u1ecbch \u0111\u1ec7m<\/td>\n<td colspan=\"3\">9.18\uff1b6.86\uff1b4.01\uff1b10.00\uff1b7.00\uff1b4.00<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td colspan=\"3\">(0\uff5e50)\u2103\uff08v\u1edbi 25\u2103 v\u00e0 nbsp;theo ti\u00eau chu\u1ea9n \uff09th\u1ee7 c\u00f4ng \/ b\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng cho l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra T\u01b0\u01a1ng T\u1ef1<\/td>\n<td colspan=\"3\">C\u00e1ch ly m\u1ed9t k\u00eanh\uff084\uff5e20\uff09mA\uff0cThi\u1ebft b\u1ecb \/ B\u1ed9 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 colspan=\"3\">\u0110\u1ea7u ra r\u01a1le k\u00e9p\uff08ON\/OFF\uff09<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"3\"> v\u00e0 lt;3W<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"3\">Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c. v\u00e0 nbsp;(0\uff5e50)\u2103\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m RH\uff08kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td colspan=\"3\">Nhi\u1ec7t \u0111\u1ed9. v\u00e0 nbsp;(-20\uff5e60)\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m RH\uff08kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td colspan=\"3\">48mm\u00d796mm\u00d780mm (H\u00d7W\u00d7D)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"3\">44mm\u00d792mm (H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"3\">B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c g\u1eafn, c\u00e0i \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Ngo\u00e0i ra, m\u00e1y \u0111o pH Arduino c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau ngo\u00e0i vi\u1ec7c theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng th\u1ee7y canh, b\u1ec3 c\u00e1 v\u00e0 nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 pH v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n t\u1ed1i \u01b0u cho th\u1ef1c v\u1eadt v\u00e0 \u0111\u1eddi s\u1ed1ng th\u1ee7y sinh.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"4-20ma Hydraulic Pressure Transmitters For Liquid Gas And Steam chimaytech.com\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/9uMa6GV5GzY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nNh\u00ecn chung, x\u00e2y d\u1ef1ng m\u00e1y \u0111o \u0111\u1ed9 pH b\u1eb1ng Arduino l\u00e0 m\u1ed9t c\u00e1ch thi\u1ebft th\u1ef1c v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p s\u1ee9c m\u1ea1nh c\u1ee7a Arduino v\u1edbi c\u1ea3m bi\u1ebfn pH, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t gi\u1ea3i ph\u00e1p linh ho\u1ea1t v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 theo d\u00f5i m\u1ee9c \u0111\u1ed9 pH trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. Cho d\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn c\u00f3 s\u1edf th\u00edch hay m\u1ed9t n\u00f4ng d\u00e2n chuy\u00ean nghi\u1ec7p, m\u00e1y \u0111o pH Arduino c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n duy tr\u00ec \u0111\u1ea5t kh\u1ecfe m\u1ea1nh v\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng t\u1ed1i \u01b0u.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch ch\u1ebf t\u1ea1o m\u00e1y \u0111o pH b\u1eb1ng Arduino M\u00e1y \u0111o pH l\u00e0 thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a ch\u1ea5t l\u1ecfng. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m, n\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o duy tr\u00ec m\u1ee9c \u0111\u1ed9 pH th\u00edch h\u1ee3p. M\u00e1y&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3231,"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":true,"content":true,"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":true,"content":true,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":false,"content":false,"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\/12098"}],"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=12098"}],"version-history":[{"count":12,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/12098\/revisions"}],"predecessor-version":[{"id":12241,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/12098\/revisions\/12241"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/3231"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=12098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=12098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=12098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}