{"id":24805,"date":"2024-09-04T14:05:52","date_gmt":"2024-09-04T06:05:52","guid":{"rendered":"https:\/\/chimaytech.net\/?p=24805"},"modified":"2024-09-06T14:49:58","modified_gmt":"2024-09-06T06:49:58","slug":"water-flow-sensor-esp8266","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/water-flow-sensor-esp8266\/","title":{"rendered":"c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc Esp8266"},"content":{"rendered":"<h1 id=\"understanding-water-flow-sensors-and-how-to-interface-them-with-esp8266-wpaicgheading\">T\u00ecm hi\u1ec3u v\u1ec1 c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 c\u00e1ch k\u1ebft n\u1ed1i ch\u00fang v\u1edbi ESP8266<\/h1>\n<p>\nC\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau, m\u00e1y n\u01b0\u1edbc n\u00f3ng v\u00e0 quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc qua \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c k\u00eanh v\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 th\u1ea3o lu\u1eadn c\u00e1ch k\u1ebft n\u1ed1i ch\u00fang v\u1edbi b\u1ed9 vi \u0111i\u1ec1u khi\u1ec3n ESP8266 ph\u1ed5 bi\u1ebfn.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Brass Pressure Sensor For Havc Chimay\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/1jaH1uQP5kI?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>C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, bao g\u1ed3m c\u1ea3m bi\u1ebfn tuabin, b\u00e1nh gu\u1ed3ng v\u00e0 c\u1ea3m bi\u1ebfn si\u00eau \u00e2m. C\u1ea3m bi\u1ebfn tuabin s\u1eed d\u1ee5ng r\u00f4to quay \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, trong khi c\u1ea3m bi\u1ebfn b\u00e1nh gu\u1ed3ng d\u1ef1a v\u00e0o b\u00e1nh xe quay \u0111\u1ec3 ph\u00e1t hi\u1ec7n d\u00f2ng n\u01b0\u1edbc. M\u1eb7t kh\u00e1c, c\u1ea3m bi\u1ebfn si\u00eau \u00e2m s\u1eed d\u1ee5ng s\u00f3ng \u00e2m \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. M\u1ed7i lo\u1ea1i c\u1ea3m bi\u1ebfn \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf, t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<p>Khi k\u1ebft n\u1ed1i c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u1edbi b\u1ed9 vi \u0111i\u1ec1u khi\u1ec3n ESP8266, c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd. B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 ch\u1ecdn m\u1ed9t c\u1ea3m bi\u1ebfn t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ch\u1ecdn m\u1ed9t c\u1ea3m bi\u1ebfn c\u00f3 ph\u1ea1m vi d\u00f2ng ch\u1ea3y v\u00e0 t\u00edn hi\u1ec7u \u0111\u1ea7u ra ph\u00f9 h\u1ee3p \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng giao ti\u1ebfp v\u1edbi ESP8266.<\/p>\n<p>Sau khi b\u1ea1n \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ph\u00f9 h\u1ee3p, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u1edbi b\u1ed9 vi \u0111i\u1ec1u khi\u1ec3n ESP8266. H\u1ea7u h\u1ebft c\u00e1c c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ec1u c\u00f3 ba d\u00e2y: ngu\u1ed3n, n\u1ed1i \u0111\u1ea5t v\u00e0 t\u00edn hi\u1ec7u. B\u1ea1n s\u1ebd c\u1ea7n k\u1ebft n\u1ed1i d\u00e2y ngu\u1ed3n v\u00e0 d\u00e2y n\u1ed1i \u0111\u1ea5t v\u1edbi c\u00e1c ch\u00e2n t\u01b0\u01a1ng \u1ee9ng tr\u00ean ESP8266 v\u00e0 d\u00e2y t\u00edn hi\u1ec7u v\u1edbi m\u1ed9t trong c\u00e1c ch\u00e2n GPIO. \u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i tham kh\u1ea3o b\u1ea3ng d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn \u0111\u1ec3 bi\u1ebft h\u01b0\u1edbng d\u1eabn s\u01a1 \u0111\u1ed3 ch\u00e2n v\u00e0 n\u1ed1i d\u00e2y ch\u00ednh x\u00e1c.<\/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 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n tr\u1ef1c tuy\u1ebfn EC-1800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi<\/td>\n<td>0-2000\/4000uS\/cm 0-20\/200mS\/cm<\/td>\n<\/tr>\n<tr>\n<td>0-1000\/2000PPM<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5% , 2% , 3% (FS)<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng d\u1ef1a tr\u00ean 25\\\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng 0\\\uff5e50\\\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\\\uff5e120\\\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>C=0,1\/1,0\/10,0cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n h\u00ecnh LCD 128*64<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V\/RS485<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\\\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\\\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\\\uff5e50\\\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\\\u226485 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96\\\u00d796\\\u00d7100mm(H\\\u00d7W\\\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\\\u00d792mm(H\\\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nSau khi k\u1ebft n\u1ed1i c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u1edbi ESP8266, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u \u0111\u1ecdc d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y t\u1eeb c\u1ea3m bi\u1ebfn b\u1eb1ng b\u1ed9 vi \u0111i\u1ec1u khi\u1ec3n. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ADC (B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u01b0\u01a1ng t\u1ef1 sang s\u1ed1) t\u00edch h\u1ee3p c\u1ee7a ESP8266 \u0111\u1ec3 \u0111\u1ecdc t\u00edn hi\u1ec7u \u0111\u1ea7u ra analog t\u1eeb c\u1ea3m bi\u1ebfn v\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u00f3 th\u00e0nh gi\u00e1 tr\u1ecb k\u1ef9 thu\u1eadt s\u1ed1. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u n\u00e0y v\u00e0 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh ho\u1eb7c g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y \u0111\u1ec3 ph\u00e2n t\u00edch th\u00eam.<\/p>\n<p>M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c k\u1ebft n\u1ed1i c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u1edbi ESP8266 l\u00e0 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng n\u01b0\u1edbc t\u1eeb xa. B\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i ESP8266 v\u1edbi m\u1ea1ng Wi-Fi, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 d\u00f2ng th\u1eddi gian th\u1ef1c t\u1eeb m\u1ecdi n\u01a1i tr\u00ean th\u1ebf gi\u1edbi b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh ho\u1eb7c m\u00e1y t\u00ednh. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p b\u1ea1n gi\u00e1m s\u00e1t vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc, ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 v\u00e0 t\u1ed1i \u01b0u h\u00f3a d\u00f2ng n\u01b0\u1edbc trong th\u1eddi gian th\u1ef1c.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2023\/11\/MFC-8800-IOT-Meter-Multi-channel-Controller-6.png\" alt=\"alt-5610\" class=\"wp-image-5610\" id=\"i5610\" \/><\/p>\n<p>T\u00f3m l\u1ea1i, c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau y\u00eau c\u1ea7u \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i c\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y v\u1edbi b\u1ed9 vi \u0111i\u1ec1u khi\u1ec3n ESP8266, b\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng n\u01b0\u1edbc t\u1eeb xa c\u0169ng nh\u01b0 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc. V\u1edbi vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea3m bi\u1ebfn ph\u00f9 h\u1ee3p v\u00e0 \u0111i d\u00e2y ph\u00f9 h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u1edbi ESP8266 v\u00e0 t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng c\u1ee7a n\u00f3 \u0111\u1ec3 qu\u1ea3n l\u00fd n\u01b0\u1edbc hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 c\u00e1ch k\u1ebft n\u1ed1i ch\u00fang v\u1edbi ESP8266 C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau, m\u00e1y n\u01b0\u1edbc n\u00f3ng v\u00e0 quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc qua&#8230;<\/p>\n","protected":false},"author":1,"featured_media":19712,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[202],"tags":[87075,203228,87617],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"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":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"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":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"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:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24805"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=24805"}],"version-history":[{"count":16,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24805\/revisions"}],"predecessor-version":[{"id":25220,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24805\/revisions\/25220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/19712"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=24805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=24805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=24805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}