{"version":"1.0","provider_name":"Brick&#039;R&#039;knowledge","provider_url":"https:\/\/www.brickrknowledge.eu\/es\/","title":"Transistor as inverter - Brick&#039;R&#039;knowledge","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"KWaOisoIbI\"><a href=\"https:\/\/www.brickrknowledge.eu\/es\/project\/transistor-as-inverter\/\">Transistor as inverter<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.brickrknowledge.eu\/es\/project\/transistor-as-inverter\/embed\/#?secret=KWaOisoIbI\" width=\"600\" height=\"338\" title=\"&#8220;Transistor as inverter&#8221; &#8212; Brick&#039;R&#039;knowledge\" data-secret=\"KWaOisoIbI\" 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:\/\/brickrknowledge.org\/content\/uploads\/2016\/06\/9_7_1-1024x768.jpg","thumbnail_width":1024,"thumbnail_height":768,"description":"To implement a dark or twilight circuit, a transistor can be used an an inverter. In this case, the transistor inverts the switching behaviour of the second. If the threshold voltage of the first\u00a0transistor is reached when the LDR gets light, a current ows between collector and emitter of transistor 1 and the voltage at [&hellip;]"}