{"product_id":"slot-type-ir-optocoupler-speed-sensor-module-3-3v-5v-counter-module-51-avr-pic-3-3v-5v-diy-kit-optical-speed-measuring-module","title":"Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMixture\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitching Transducer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTheory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOptical Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOptical-Electronics Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSpeed Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:24px;font-weight:600;letter-spacing:normal;text-align:center;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(192, 192, 192);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:8px;padding-bottom:8px;padding-top:8px;padding-left:8px;padding-right:8px;box-sizing:content-box' align=\"center\"\u003eDIY-Victor Hot Koop\u003c\/div\u003e\n\u003cdiv style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:center;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box' align=\"center\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:5px 0px;padding-bottom:5px;padding-top:5px;padding-left:0px;padding-right:0px;display:inline-block;box-sizing:content-box\" align=\"center\"\u003e\u003ctable style=\"border-collapse:collapse\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/1005003835642039.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf8ac028c3c7947278be816cf5da6308aX.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/1005003932809308.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S65eda4e4f31b4fb99b2d0993f525a9edF.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/1005003814107230.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S89b655d94c824bc4a6318603161cea31T.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 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style=\"color:rgb(88, 176, 207);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/1005003788398021.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S58e51124738340edb9d03264e2a82e67J.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/32300047786.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S520df8bad1ab45d6a4529bcd810656aft.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/4001243777742.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2141c772f3194b87a3040e2e37a5aaa9o.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/1445006612.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4d1152f88b084b8c8efcbeebb0ef1528W.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/32737473499.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se65b941cd71141c8a55d370d5f3eab51j.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003ca style=\"color:rgb(46, 156, 195);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"http:\/\/www.aliexpress.com\/item\/anywhere\/33028427400.html\" target=\"_self\" class=\"\"\u003e\u003cimg style=\"border:0px currentcolor;margin:1px;margin-bottom:1px;margin-top:1px;margin-left:1px;margin-right:1px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sfccc2204d43b447b9b0b4007adc53e296.png\" slate-data-type=\"image\"\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"23829675\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000000872035\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv style=\"font-family:arial, helvetica;font-size:inherit;font-weight:normal;line-height:18px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px currentcolor;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\"\u003e\n\u003cp style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:18px;font-family:\"times new roman\", times, serif'\u003eWe still have a lot of inventory not uploaded to AliExpress,\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:18px;font-family:\"times new roman\", times, serif'\u003eIf there are other suppliers and any other requirements that we do not show in AliExpress, please contact us by creating a new link for you so that you can purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:18px;font-family:\"times new roman\", times, serif'\u003e\u0026lt;If you have a target price for some parts, you can ask us directly.\u0026gt;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:18px;font-family:\"times new roman\", times, serif'\u003e \u0026lt; In practice, we found that a single order of AliExpress cannot purchase more than 999 pieces. If you purchase more than 999 pieces, please contact us to add the option of purchasing one piece=1000 pieces of commodity card for you  \u0026gt;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:18px;font-family:\"times new roman\", times, serif'\u003e\u0026lt;If you have any questions, our customer service staff will be happy to help you. We will try our best to reply to your email as soon as possible, but we may not be able to reply to your email immediately due to the number of emails we receive every day and time zone restrictions. Please allow us to reply within 24 working hours.\u0026gt;\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"font-size:inherit;border:0px currentcolor;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\"\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color:rgb(159, 5, 0);font-size:22px\"\u003eWide body use:\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003eWidely used in motor speed detection, pulse counting, position limit, etc.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003eModule features:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e1, using imported slot type optocoupler sensor\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e2. The groove width is 10mm.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e3. There is an output status indicator, the output high level light is off, and the output low level light is on.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e4, there is occlusion, output high level; no occlusion, output low level.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e5, the comparator output, the signal is clean, the waveform is good, the driving ability is strong, more than 15mA.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e6, working voltage 3.3V-5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e7, output form: digital switch output (0 and 1)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e8, with fixed bolt holes for easy installation\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e9, small board PCB size: 2.3cmx2cm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e10. Use a wide voltage LM393 comparator\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003eModule instructions:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e1. When there is no occlusion in the module slot, the receiving tube is turned on, and the module DO outputs a low level. When occluding, the DO outputs a high level;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e2. The module DO can be connected to the relay to form a limit switch and other functions. It can also be connected to the active buzzer module to form an alarm.\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4a07734547de436d802887c1856570e2P.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd6d7baf8e0304cd6842c7d15da9dcf8bX.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Narrow body \/ China Mainland","offer_id":55564035653931,"sku":"14:29#Narrow body;200007763:201336100","price":4.08,"currency_code":"USD","in_stock":true},{"title":"Wide body \/ China Mainland","offer_id":55564035686699,"sku":"14:10#Wide body;200007763:201336100","price":4.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S6a94996f2b974f869ffba898a9889c297.webp?v=1789453646","url":"https:\/\/yoeruyo.com\/products\/slot-type-ir-optocoupler-speed-sensor-module-3-3v-5v-counter-module-51-avr-pic-3-3v-5v-diy-kit-optical-speed-measuring-module","provider":"Yoeruyo","version":"1.0","type":"link"}