{"version":"1.0","provider_name":"Brick&#039;R&#039;knowledge","provider_url":"https:\/\/www.brickrknowledge.eu\/it\/","title":"Display PCF8574 2x7seg - Brick&#039;R&#039;knowledge","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"JcKJp2SlJk\"><a href=\"https:\/\/www.brickrknowledge.eu\/it\/brick\/display-pcf8574-2x7seg\/\">Display PCF8574 2x7seg<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.brickrknowledge.eu\/it\/brick\/display-pcf8574-2x7seg\/embed\/#?secret=JcKJp2SlJk\" width=\"600\" height=\"338\" title=\"&#8220;Display PCF8574 2x7seg&#8221; &#8212; Brick&#039;R&#039;knowledge\" data-secret=\"JcKJp2SlJk\" 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 *\/\r\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\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.brickrknowledge.eu\/content\/uploads\/2015\/10\/113713.jpg","thumbnail_width":800,"thumbnail_height":1067,"description":"7-segment display: It includes 7 light bars and a dot &#8211; these are the respective light diodes. Two bricks 8574T controll the LEDs (16 output cables to the LEDs). On the back you can set the I2C address with little switches. There is a maximum of four of these bricks possible on a I2C bus."}