{"id":16678,"date":"2020-10-05T09:03:07","date_gmt":"2020-10-05T09:03:07","guid":{"rendered":"https:\/\/electropeak.com\/learn\/?p=16678"},"modified":"2024-03-03T12:28:24","modified_gmt":"2024-03-03T12:28:24","slug":"interfacing-ky-037-sound-sensor-with-arduino","status":"publish","type":"post","link":"https:\/\/electropeak.com\/learn\/interfacing-ky-037-sound-sensor-with-arduino\/","title":{"rendered":"Interfacing KY-037 Sound Sensor with Arduino"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"16678\" class=\"elementor elementor-16678\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-161a217 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"161a217\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0f4b845\" data-id=\"0f4b845\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fa48a75 elementor-widget elementor-widget-heading\" data-id=\"7fa48a75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">KY-037 Sound Sensor Module Features<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42ed744a elementor-widget elementor-widget-text-editor\" data-id=\"42ed744a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>KY-037 module consists of a capacitive microphone and an amplifier circuit. The output of this module is both analog and digital.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18cd4c93 elementor-widget elementor-widget-image\" data-id=\"18cd4c93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mic\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY2ODUsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIwXC8wOVwvbWljLmpwZyJ9\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic.jpg\" class=\"attachment-large size-large wp-image-16685\" alt=\"KY-037 Sound Sensor\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-400x400.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f5f4897 elementor-widget elementor-widget-text-editor\" data-id=\"3f5f4897\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>You can download the datasheet of this module here.<\/p><p><div class='w3eden wpdm_package_shortcode'><!-- WPDM Link Template: Call to Action 3 -->\n\n<div class=\"well c2a3\">\n    <div class=\"media\">\n        <div class=\"mr-3\" align=\"left\">\n            <img decoding=\"async\" class=\"wpdm_icon\" alt=\"Icon\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/plugins\/download-manager\/assets\/file-type-icons\/pdf.svg\" \/>\n        <\/div>\n        <div class=\"media-body\">\n            <h3 class=\"media-heading\" style=\"padding-top: 0px;border:0px;margin: 0 0 5px 0;font-size:12pt;\">\n                <a style=\"font-weight: 700\" href=\"https:\/\/electropeak.com\/learn\/download\/ky-037-datasheet\/\">KY-037-Datasheet<\/a>\n                <span style=\"font-size:8pt;font-weight:300\" class=\"text-muted ml-4\">\n                    <i class=\"fas fa-hdd mr-1\"><\/i> 218.94 KB\n                    <i class=\"ml-3 far fa-arrow-alt-circle-down mr-1\"><\/i> 1979 downloads\n                <\/span>\n            <\/h3>\n            &#8230;\n        <\/div>\n        <div class=\"ml-3\" align=\"right\">\n            <a class='wpdm-download-link download-on-click btn btn-primary '  rel='nofollow' href='#' data-downloadurl=\"https:\/\/electropeak.com\/learn\/download\/ky-037-datasheet\/?wpdmdl=16686&#038;refresh=6aae7b1c9dd791789819676\">Download<\/a>\n        <\/div>\n    <\/div>\n\n<\/div>\n<style>\n    .well.c2a3 .btn {\n        padding: 11px 30px;\n        font-size: 11pt;\n    }\n\n    .well.c2a3 .media-body {\n        font-size: 11pt;\n    }\n\n    .well.c2a3 .wpdm_icon {\n        height: 42px;\n        width: auto;\n    }<\/style>\n<\/div><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b6e3a9a elementor-widget elementor-widget-heading\" data-id=\"1b6e3a9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">KY-037 Sound Module Pinout<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78c58466 elementor-widget elementor-widget-text-editor\" data-id=\"78c58466\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>This module has 4 pins, 2 of them are for power supply.<\/p>\n<p>Pin 1: The analog output. It\u2019s value changes according to the intensity of the received sound. It can be connected to the Arduino analog (ADC) pins.<\/p>\n<p>Pin 4: The digital output. It a<span style=\"letter-spacing: 0px;\">cts as a key, and it&nbsp;<\/span><span style=\"letter-spacing: 0px;\">activates when sound intensity has reached a certain threshold. The sensitivity threshold can be adjusted using the potentiometer on the sensor<\/span><span style=\"letter-spacing: 0px;\">.<\/span><\/p>\n<p>You can see the pinout of this module in the following image.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b73f0cc elementor-widget elementor-widget-image\" data-id=\"2b73f0cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-pin.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mic-pin\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY2ODcsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIwXC8wOVwvbWljLXBpbi5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"680\" height=\"510\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-pin.jpg\" class=\"attachment-large size-large wp-image-16687\" alt=\"KY-037 Sound Module Pinout\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-pin.jpg 680w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-pin-533x400.jpg 533w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7912a124 elementor-widget elementor-widget-heading\" data-id=\"7912a124\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Required Materials<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d6ee6ae elementor-widget elementor-widget-image\" data-id=\"2d6ee6ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/Required-Materials-6.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Required-Materials\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY2ODgsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIwXC8wOVwvUmVxdWlyZWQtTWF0ZXJpYWxzLTYuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"500\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/Required-Materials-6.jpg\" class=\"attachment-large size-large wp-image-16688\" alt=\"\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/Required-Materials-6.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/Required-Materials-6-480x400.jpg 480w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-659d5947 elementor-widget elementor-widget-heading\" data-id=\"659d5947\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Hardware Components<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b88088a elementor-widget elementor-widget-html\" data-id=\"2b88088a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"table-2\">\r\n<table width=\"100%\" class=\"zebra\">\r\n<tbody>\r\n\r\n<tr>\r\n\t<td width=\"70%\">Arduino UNO R3 \r\n<\/td>\r\n\t<td class=\"center\" width=\"10%\">\u00d7<\/td>\r\n    <td class=\"center\" width=\"10%\">1<\/td>\r\n\t<td class=\"center\" width=\"10%\"><a href=\"https:\/\/electropeak.com\/arduino-uno-r3-original\" target=\"_blank\"><i class=\"fa fa-shopping-cart\" style=\"\"><\/i><\/a><\/td>\r\n<\/tr>\r\n<tr>\r\n\t<td width=\"70%\">KY-037\r\n<\/td>\r\n\t<td class=\"center\" width=\"10%\">\u00d7<\/td>\r\n    <td class=\"center\" width=\"10%\">1<\/td>\r\n\t<td class=\"center\" width=\"10%\"><a href=\"https:\/\/electropeak.com\/sound-sensor-ky-037\" target=\"_blank\"><i class=\"fa fa-shopping-cart\" style=\"\"><\/i><\/a><\/td>\r\n<\/tr>\r\n<tr>\r\n\t<td width=\"70%\">male-female-jumper-wire\r\n<\/td>\r\n\t<td class=\"center\" width=\"10%\">\u00d7<\/td>\r\n    <td class=\"center\" width=\"10%\">1<\/td>\r\n\t<td class=\"center\" width=\"10%\"><a href=\" https:\/\/electropeak.com\/10cm-40p-male-to-female-jumper-wire\" target=\"_blank\"><i class=\"fa fa-shopping-cart\" style=\"\"><\/i><\/a><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d6ade1c elementor-widget elementor-widget-heading\" data-id=\"6d6ade1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Software Apps<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ecd92af elementor-widget elementor-widget-html\" data-id=\"5ecd92af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"table-2\">\r\n<table width=\"100%\" class=\"zebra\">\r\n<tbody>\r\n\r\n<tr>\r\n\t<td width=\"90%\">Arduino IDE<\/td>\r\n\t<td class=\"center\" width=\"10%\"><a href=\"https:\/\/www.arduino.cc\/en\/Main\/Software\" target=\"_blank\"><i class=\"fa fa-info\" style=\"\"><\/i><\/a><\/td>\r\n<\/tr>\r\n\r\n\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19a088ad elementor-widget elementor-widget-heading\" data-id=\"19a088ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Interfacing KY-037 Sound Sensor with Arduino  <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47c3cab6 elementor-widget elementor-widget-heading\" data-id=\"47c3cab6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Step 1: Circuit<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6be1606f elementor-widget elementor-widget-text-editor\" data-id=\"6be1606f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Connect the wires according to the following circuit. This circuit is for analog mode.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7698b204 elementor-widget elementor-widget-image\" data-id=\"7698b204\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-wire.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mic-wire\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY2ODksInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIwXC8wOVwvbWljLXdpcmUuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-wire.jpg\" class=\"attachment-large size-large wp-image-16689\" alt=\"KY-037 Sound Module Circuit\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-wire.jpg 800w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-wire-533x400.jpg 533w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-717633ba elementor-widget elementor-widget-heading\" data-id=\"717633ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Step 2: Code<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9349d37 elementor-widget elementor-widget-text-editor\" data-id=\"9349d37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Upload the following code to Arduino.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2910923f elementor-widget elementor-widget-html\" data-id=\"2910923f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class=\"line-numbers lang-arduino\"><code>  \/*   \r\nmodified on June 5, 2018\r\nby Arduino Examples from arduino.cc\/en\/Tutorial\/ReadAnalogVoltage\r\nhttps:\/\/electropeak.com\/learn\/ \r\n*\/ \r\n\r\nvoid setup() {\r\n  \/\/ initialize serial communication at 9600 bits per second:\r\n  Serial.begin(9600);\r\n}\r\n\r\n\/\/ the loop routine runs over and over again forever:\r\nvoid loop() {\r\n  \/\/ read the input on analog pin 0:\r\n  int sensorValue = analogRead(A0);\r\n  \/\/ print out the value you read:\r\n  Serial.println(sensorValue);\r\n} \r\n<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9fa707 elementor-widget elementor-widget-text-editor\" data-id=\"c9fa707\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Then press <strong>Ctrl + Shift + L<\/strong> to open the <strong>Serial Plotter<\/strong> screen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee3dd6d elementor-widget elementor-widget-image\" data-id=\"ee3dd6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-serial.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"mic-serial\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY2OTAsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIwXC8wOVwvbWljLXNlcmlhbC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-serial.jpg\" class=\"attachment-large size-large wp-image-16690\" alt=\"\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-serial.jpg 800w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2020\/09\/mic-serial-533x400.jpg 533w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2d5d44fd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2d5d44fd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-6a701eb6\" data-id=\"6a701eb6\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7e95dfb8 elementor-view-stacked elementor-widget__width-auto elementor-absolute elementor-shape-circle elementor-widget elementor-widget-icon\" data-id=\"7e95dfb8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"far fa-lightbulb\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33b79521 elementor-widget elementor-widget-heading\" data-id=\"33b79521\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Note<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-199cca62 elementor-widget elementor-widget-text-editor\" data-id=\"199cca62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If you are using digital output, use the following code:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcaa5ad elementor-widget elementor-widget-html\" data-id=\"bcaa5ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class=\"line-numbers lang-arduino\"><code>\/*   \r\nmodified on Spe 2, 2020\r\nby MohammedDamirchi\r\nhttps:\/\/electropeak.com\/learn\/ \r\n*\/ \r\nconst int mic =  8;\r\nvoid setup() {\r\n  \/\/ initialize serial communication at 9600 bits per second:\r\n  Serial.begin(9600);\r\n  \/\/ initialize the digital pin as an input:\r\n  pinMode(mic, INPUT);\r\n}\r\n\r\nvoid loop() {\r\n  \/\/ check if the mic digitalout is high.\r\n  if (digitalRead(mic) == HIGH) {\r\n    Serial.println(\"hearing something\");\r\n  }\r\n}\r\n<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>KY-037 Sound Sensor Module Features KY-037 module consists of a capacitive microphone and an amplifier circuit. The output of this module is both analog and digital. You can download the datasheet of this module here. KY-037 Sound Module Pinout This module has 4 pins, 2 of them are for power supply. Pin 1: The analog [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":17784,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[933,932],"tags":[4435],"platform":[1071],"bytype":[1075],"difficulty":[1077],"related_products":[2462],"class_list":["post-16678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-audio","category-sensors","tag-audio-music","platform-arduino","bytype-hookup-guides","difficulty-beginner","related_products-sen-17-037"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Interfacing KY-037 Sound Sensor Module with Arduino - ElectroPeak<\/title>\n<meta name=\"description\" content=\"Learn How to interface a KY-037 Sound Sensor with Arduino. using KY-037 Sound Sensor example code, features , circuit, pinout, datasheet\" \/>\n<meta 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