{"version":"1.0","provider_name":"FAIRPLY ENTERPRISES INC.","provider_url":"https:\/\/www.fairply.com\/blog","author_name":"admin","author_url":"https:\/\/www.fairply.com\/blog\/author\/admin\/","title":"HOLTEK HT9170D(DTMF Receiver) - FAIRPLY ENTERPRISES INC.","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"ur1T0XOFPe\"><a href=\"https:\/\/www.fairply.com\/blog\/product\/holtek-ht9170ddtmf-receiver\/\">HOLTEK HT9170D(DTMF Receiver)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.fairply.com\/blog\/product\/holtek-ht9170ddtmf-receiver\/embed\/#?secret=ur1T0XOFPe\" width=\"600\" height=\"338\" title=\"HOLTEK HT9170D(DTMF Receiver) &#8212; FAIRPLY ENTERPRISES INC.\" data-secret=\"ur1T0XOFPe\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.fairply.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.fairply.com\/blog\/wp-content\/uploads\/2025\/08\/HT9170D.png","thumbnail_width":650,"thumbnail_height":650,"description":"HOLTEK HT9170D(DTMF Receiver)  \u4ecb\u7d39 Features \u25cf Operating voltage: 2.5V~5.5V \u25cf Minimal external components \u25cf No external filter is required \u25cf Low standby current (on power down mode) \u25cf Excellent performance \u25cf Tristate data output for MCU interface \u25cf 3.58MHz crystal or ceramic resonator \u25cf 1633Hz can be inhibited by the INH pin \u25cf HT9170D: 18-pin SOP package"}