{"id":12248,"date":"2020-08-13T13:46:08","date_gmt":"2020-08-13T10:46:08","guid":{"rendered":"https:\/\/etqan.sa\/product\/jsn-sr04t-waterproof-ultrasonic-distance-measuring-module\/"},"modified":"2024-01-06T20:53:26","modified_gmt":"2024-01-06T17:53:26","slug":"jsn-sr04t-waterproof-ultrasonic-distance-measuring-module","status":"publish","type":"product","link":"https:\/\/qariya.net\/en\/product\/jsn-sr04t-waterproof-ultrasonic-distance-measuring-module\/","title":{"rendered":"JSN-SR04T waterproof ultrasonic distance measuring module"},"content":{"rendered":"<h1>JSN-SR04T waterproof ultrasonic distance measuring module<\/h1>\n<div id=\"productDescriptionBox\">\n<div id=\"productDescription\" class=\"biggerText\">This is a Water Proof Ultrasonic Ranger, it has the same usage of HC-SR04, those are non-contact distance measurement module, it provides high accuracy and high-resolution ultrasonic proximity detection and ranging in air. This ultrasonic sensor detects objects from 20cm to 600cm.<\/div>\n<\/div>\n<p><strong>Features:<\/strong><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Working voltage: DC 3.0-5.5V<\/li>\n<li>Working current: \uff1c8mA<\/li>\n<li>Accuracy: \u00b11cm<\/li>\n<li>Acoustic emission frequency: 40khz<\/li>\n<li>Angle: less than 75 degrees<\/li>\n<li>Working temperature: -20 ~ 70 \u2103<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b><span style=\"font-family: Tahoma;\">There are three working modes for this module to choose from, and customers can switch or experiment according to their actual needs.\u00a0As shown below<\/span><\/b><\/p>\n<p><img decoding=\"async\" src=\"\" \/><\/p>\n<p><b><span style=\"font-family: \u96b6\u4e66;\">Mode 1:<\/span>\u00a0R27=open means no welding is required.\u00a0The mode is explained as follows<\/b><\/p>\n<p>1.\u00a0<span style=\"font-family: \u5b8b\u4f53;\">Basic working principle:<\/span><\/p>\n<p>(1) Use IO port TRIG to trigger distance measurement, giving a high level signal of less than 10us.<\/p>\n<p data-spm-anchor-id=\"2013.1.0.i19.1134618dljhdQE\"><span data-spm-anchor-id=\"2013.1.0.i20.1134618dljhdQE\">\u00a0 (2) The module automatically sends 8 40khz square waves, and automatically detects whether there is a signal return;<\/span><\/p>\n<p><span data-spm-anchor-id=\"2013.1.0.i21.1134618dljhdQE\">(3) There is a signal return, and a high level is output through the IO port ECHO. The duration of the high level is the time from the ultrasonic wave to the return.\u00a0Test distance = (high level time * speed of sound (340M\/S))\/2;<\/span><\/p>\n<p><span style=\"font-family: \u5b8b\u4f53;\">(<\/span>\u00a04) After the module is triggered for ranging, if the echo cannot be received (because it exceeds the measured range or the probe is not directly facing the measured object), the ECHO port will automatically change to low level after 60MS, marking this time The measurement ends, regardless of success or failure.<\/p>\n<p><span style=\"font-family: \u5b8b\u4f53;\">(<\/span>\u00a05) Description of LED indicator, LED is not a power indicator, it will light up after the module receives the trigger signal, and the module is in working state at this time.<\/p>\n<p>2. Ultrasonic timing chart:<\/p>\n<p><img align=\"absMiddle\" \/><\/p>\n<p><b>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/b><b><span style=\"font-family: \u5b8b\u4f53;\">Figure 2.\u00a0<\/span><\/b><b><span style=\"font-family: \u5b8b\u4f53;\">Ultrasonic timing diagram<\/span><\/b><b>\u00a0<\/b><b><\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>\u00d8\u00a0<\/b><b><span style=\"font-family: \u96b6\u4e66;\">Model II:<\/span>\u00a0R27 = 47K 47K i.e. resistance welding.\u00a0The mode is explained as follows<\/b><\/p>\n<p data-spm-anchor-id=\"2013.1.0.i8.1134618dljhdQE\"><span style=\"font-family: Tahoma;\">The output\u00a0<\/span><span style=\"font-family: Tahoma;\">format of the\u00a0<\/span><span style=\"font-family: Tahoma;\">serial port\u00a0<\/span><span style=\"font-family: Tahoma;\">is<\/span>\u00a0TTL level\u00a0<span style=\"font-family: Tahoma;\">, which means: the module<\/span>\u00a0automatically outputs the value of the distance with a period of 100MS, in mm.\u00a0Serial port baud rate: 9600, n, 8, 1.<\/p>\n<p><span style=\"font-family: Tahoma;\">After the module is powered on and recognized<\/span>\u00a0, it directly enters the working mode. The module carries out distance measurement every 100ms, and outputs a frame from the pin TX, including 4 8-bit data. The frame format is: 0XFF+H_DATA+L_DATA+SUM<br \/>\n1.0XFF : It is the start data of a frame, used for judgment;<br \/>\n2.H_DATA: the upper 8 bits of the<br \/>\ndistance data\u00a0;\u00a03.L_DATA: the lower 8 bits of the distance data;<br \/>\n4.SUM: the sum of the data, used for validation.\u00a0<span style=\"font-family: Tahoma;\">Its<\/span>\u00a00XFF+H_DATA+L_DATA =SUM (lower 8 bits only)<br \/>\n<span style=\"font-family: Tahoma;\">Note<\/span>\u00a0: H_DATA and L_DATA combine 16-bit data, that is, the distance value in millimeters<\/p>\n<p><span style=\"font-family: Tahoma;\">E.g:<\/span><\/p>\n<p><span style=\"font-family: Tahoma;\">Product response<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 FF 07 A1 A7<\/p>\n<p><span style=\"font-family: Tahoma;\">The check code<\/span>\u00a0SUM=A7=(0x07+0xA1+0Xff)&amp;0x00ff<\/p>\n<p>0x07 is the high data of the distance;<\/p>\n<p>0xA1 is the low data of the distance;<\/p>\n<p><span style=\"font-family: Tahoma;\">The distance value is<\/span>\u00a00x07A1; converted to decimal is 1953; the unit is: mm<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: Tahoma;\">Note: The module outputs a short distance value in the blind zone. If the module cannot measure the data or exceeds the distance range, the output will not be measured.<\/span><\/p>\n<p>LED indicator description, LED is not a power indicator, it will flash after the module is powered on, and the module is in working state at this time.<\/p>\n<p>&nbsp;<\/p>\n<p><b>\u00d8Mode\u00a0<\/b><b><span style=\"font-family: \u96b6\u4e66;\">3:<\/span>\u00a0R27=120K means welding 120K resistance.\u00a0In this serial mode<\/b><\/p>\n<p><span style=\"font-family: Tahoma;\">After the module is powered on and recognized<\/span>\u00a0, the\u00a0\u00a0module enters the standby state, the\u00a0<span style=\"font-family: Tahoma;\">serial port output format is<\/span>\u00a0TTL level, and the serial port baud rate: 9600, n, 8, 1.\u00a0When the RX port receives the\u00a00X55\u00a0<span style=\"font-family: Tahoma;\">command, the module starts a ranging<\/span>\u00a0, and outputs a frame from the pin TX, which contains 4 8-bit data. The frame format is: 0XFF+H_DATA+L_DATA+SUM<br \/>\n1.0XFF: the start of a frame Data, used for judgment;<br \/>\n2. H_DATA: the high 8 bits of the<br \/>\ndistance data\u00a0;\u00a03. L_DATA: the low 8 bits of the distance data;<br \/>\n4. SUM: the sum of the data, used for validation. Its 0XFF+H_DATA+L_DATA=SUM (only low 8 bits)<br \/>\n<span style=\"font-family: Tahoma;\">Note<\/span>\u00a0: H_DATA and L_DATA combine 16-bit data, that is, the distance value in millimeters<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: Tahoma;\">Note: The module outputs a short distance value in the blind zone. If the module cannot measure the data or exceeds the distance range, the output will not be measured.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p data-spm-anchor-id=\"2013.1.0.i23.1134618dljhdQE\">LED indicator description, LED is not a power indicator, it will light up after the module receives a 0X55 trigger signal, and the module is in working state<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JSN-SR04T waterproof ultrasonic distance measuring module This is a Water Proof Ultrasonic Ranger, it has the same usage of HC-SR04, those are non-contact distance measurement module, it provides high accuracy and high-resolution ultrasonic proximity detection and ranging in air. This ultrasonic sensor detects objects from 20cm to 600cm. Features: &nbsp; Working voltage: DC 3.0-5.5V Working [&hellip;]\n","protected":false},"featured_media":12246,"template":"","meta":[],"product_cat":[15],"product_tag":[],"_links":{"self":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product\/12248"}],"collection":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/media\/12246"}],"wp:attachment":[{"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/media?parent=12248"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product_cat?post=12248"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/qariya.net\/en\/wp-json\/wp\/v2\/product_tag?post=12248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}