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<!doctype html><html lang=en><head><title>Posts :: Privacynerd's blog</title><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content><meta name=keywords content><meta name=robots content="noodp"><link rel=canonical href=https://blog.privacynerd.de/en/posts/><link rel=stylesheet href=https://blog.privacynerd.de/css/buttons.min.86f6b4c106b6c6eb690ae5203d36b442c1f66f718ff4e8164fa86cf6c61ad641.css><link rel=stylesheet href=https://blog.privacynerd.de/css/code.min.d529ea4b2fb8d34328d7d31afc5466d5f7bc2f0bc9abdd98b69385335d7baee4.css><link rel=stylesheet href=https://blog.privacynerd.de/css/fonts.min.5bb7ed13e1d00d8ff39ea84af26737007eb5051b157b86fc24487c94f3dc8bbe.css><link rel=stylesheet href=https://blog.privacynerd.de/css/footer.min.eb8dfc2c6a7eafa36cd3ba92d63e69e849e2200e0002a228d137f236b09ecd75.css><link rel=stylesheet href=https://blog.privacynerd.de/css/gist.min.a751e8b0abe1ba8bc53ced52a38b19d8950fe78ca29454ea8c2595cf26aad5c0.css><link rel=stylesheet href=https://blog.privacynerd.de/css/header.min.75c7eb0e2872d95ff48109c6647d0223a38db52e2561dd87966eb5fc7c6bdac6.css><link rel=stylesheet href=https://blog.privacynerd.de/css/main.min.97f8670f58356dccf88ab7d8d60fd73f127d4e08a2da774ab0e0acfff5e093b4.css><link rel=stylesheet href=https://blog.privacynerd.de/css/menu.min.3c17467ebeb3d38663dce68f71f519901124fa5cbb4519b2fb0667a21e9aca39.css><link rel=stylesheet href=https://blog.privacynerd.de/css/pagination.min.bbb986dbce00a5ce5aca0504b7925fc1c581992a4bf57f163e5d69cc1db7d836.css><link rel=stylesheet href=https://blog.privacynerd.de/css/post.min.e6dddd258e64c83e05cec0cd49c05216742d42fc8ecbfbe6b67083412b609bd3.css><link rel=stylesheet href=https://blog.privacynerd.de/css/syntax.min.a0773cce9310cb6d8ed23e50f005448facf29a53001b57e038828daa466b25c0.css><link rel=stylesheet href=https://blog.privacynerd.de/css/terminal.min.e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855.css><link rel=stylesheet href=https://blog.privacynerd.de/css/terms.min.b81791663c3790e738e571cdbf802312390d30e4b1d8dc9d814a5b5454d0ac11.css><link rel=stylesheet href=https://blog.privacynerd.de/terminal.css><link rel="shortcut icon" href=https://blog.privacynerd.de/favicon.png><link rel=apple-touch-icon href=https://blog.privacynerd.de/apple-touch-icon.png><meta name=twitter:card content="summary"><meta name=twitter:site content><meta name=twitter:creator content><meta property="og:locale" content="en"><meta property="og:type" content="website"><meta property="og:title" content="Posts"><meta property="og:description" content><meta property="og:url" content="https://blog.privacynerd.de/en/posts/"><meta property="og:site_name" content="Privacynerd's blog"><meta property="og:image" content="https://blog.privacynerd.de/og-image.png"><meta property="og:image:width" content="1200"><meta property="og:image:height" content="627"><link href=/en/posts/index.xml rel=alternate type=application/rss+xml title="Privacynerd's blog"><style>#banner{width:100%;height:2rem;display:grid;grid-template-columns:1fr auto;background:var(--accent)}#banner span{display:flex;align-items:center;justify-content:center}#banner a{color:var(--background);display:inline}#banner>button{padding:0 5px 0 0;margin:0}</style><div id=banner><span><a href=https://git.privacynerd.de/git.privacynerd.de/blog.privacynerd.de>Construction site 🚧 | Work in progress</a></span></div></head><body><div class="container center"><header class=header><div class=header__inner><div class=header__logo><a href=/en><div class=logo>Privacynerd's blog</div></a></div><ul class="menu menu--mobile"><li class=menu__trigger>Menu ▾</li><li><ul class=menu__dropdown><li><a href=/en/about>About</a></li><li><a href=/en/tags>Tags</a></li><hr><li><b><a href=/en/posts/>English</a></b></li><li><a href=/de/posts/>Deutsch</a></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>en ▾</li><li><ul class=menu__dropdown><li><b><a href=/en/posts/>English</a></b></li><li><a href=/de/posts/>Deutsch</a></li></ul></li></ul></div><nav class=navigation-menu><ul class="navigation-menu__inner menu--desktop"><li><a href=/en/about>About</a></li><li><a href=/en/tags>Tags</a></li></ul></nav></header><div class=content><div class=posts><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/en/posts/2026/04/exposure-unit-upgrade/>Verbesserung des UV-Belichters</a></h2><div class=post-meta><time class=post-date>2026-04-10</time></div><img src=/en/posts/2026/04/exposure-unit-upgrade/cover.png class=post-cover alt="Verbesserung des UV-Belichters" title="Cover Image"><div class=post-content><h2 id=introduction>Introduction</h2><p>After a long period of using the <a href=https://blog.privacynerd.de/en/posts/2025/04/diy-uv-pcb-exposure-unit/>unit</a> with exposure times exceeding 40 minutes in PCB manufacturing, it was finally time for the previously announced upgrade. The goal was to double the number of LEDs from 48 to 96. This is intended to achieve more uniform coverage of the exposure area, as well as, of course, shorter exposure times.</p><h2 id=problems>1. PCB Problems</h2><p>The increased number of LEDs also increases the power requirement. And that posed a problem - the first control board was only rated for 1A at 12V. So a new one is needed - the exposure unit exposes its own controller board.</p></div><div><a class="read-more button inline" href=/en/posts/2026/04/exposure-unit-upgrade/>[Read more]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/en/posts/2025/12/bottle-dryer/>Bottle Dryer?!</a></h2><div class=post-meta><time class=post-date>2025-12-25</time></div><img src=/en/posts/2025/12/bottle-dryer/cover.jpg class=post-cover alt="Bottle Dryer?!" title="Cover Image"><div class=post-content><h2 id=introduction>The Idea</h2><p>It’s christmas time. And that means finding something to give as a gift to your closest. And a problem that especially families might know is that when washing many bottles by hand, the dish rack is filled as they consume a lot of space. To tackle this, i imagined a simple bottle dryer to hold the wet bottles. After sorting ideas, I came up with a collapsible design that can adapt to the available space.</p></div><div><a class="read-more button inline" href=/en/posts/2025/12/bottle-dryer/>[Read more]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/en/posts/2025/11/nostalgic_memories/>Between Homeschooling And Web Design - nostalgic memories of seventh grade</a></h2><div class=post-meta><time class=post-date>2025-11-03</time></div><img src=/en/posts/2025/11/nostalgic_memories/cover.png class=post-cover alt="Between Homeschooling And Web Design - nostalgic memories of seventh grade" title="Cover Image"><div class=post-content><h2 id=times-are-changing>Times are changing</h2><p>No one really knows one way or the other - it’s an unprecedented situation. And yet, somehow, we have to deal with it. A virus is spreading, and suddenly the whole world is barricading itself behind its windows and front doors. Clearly, we are talking about the COVID-19 pandemic and the accompanying lockdown(s). Schools in Germany were also closed for a long time during this period, with homeschooling replacing face-to-face teaching. For some, the internet was still new territory (”Neuland”, as some famous female german chancellor once said), while for others, this new reality created unexpected opportunities (including in terms of free time). I was one of the latter - at the time in seventh grade at a Bavarian high school.</p></div><div><a class="read-more button inline" href=/en/posts/2025/11/nostalgic_memories/>[Read more]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/en/posts/2025/04/diy-uv-pcb-exposure-unit/>Self-built UV exposure unit (LED)</a></h2><div class=post-meta><time class=post-date>2025-04-14</time></div><img src=/en/posts/2025/04/diy-uv-pcb-exposure-unit/cover.jpg class=post-cover alt="Self-built UV exposure unit (LED)" title="Cover Image"><div class=post-content><p>If you’ve been around the (electronics) DIY scene for a while, at some point you can’t avoid circuit boards (printed circuit boards/PCBs). The main advantages over soldering circuits by hand on perforated or strip-grid boards are that they are easier to replicate (once designed a circuit can theoretically be produced as often as you like) and that space can be used more efficiently (a board is almost always smaller than a soldered perforated grid board with the same circuit). Ultimately, devices with circuit boards also simply look more professional. There are certainly more advantages (and of course also disadvantages!), but I will not list them here for the sake of simplicity.</p></div><div><a class="read-more button inline" href=/en/posts/2025/04/diy-uv-pcb-exposure-unit/>[Read more]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/en/posts/2025/04/how-it-all-began/>How everything began - or: the first post!</a></h2><div class=post-meta><time class=post-date>2025-04-13</time></div><img src=/en/posts/2025/04/how-it-all-began/cover.png class=post-cover alt="How everything began - or: the first post!" title="Cover Image"><div class=post-content><h2 id=thinking>Initial considerations</h2><p>I’ve been thinking about how to write this post for a long time. What needs to be told, what is unimportant? A lot has to be left out for the sake of clarity, and I might not even remember some of it. In any case, I would like to use this article to explain my intention in starting this blog. But to explain that, you have to understand the origins.</p></div><div><a class="read-more button inline" href=/en/posts/2025/04/how-it-all-began/>[Read more]</a></div></article><div class=pagination><div class=pagination__buttons></div></div></div></div><footer class=footer><style>.antidiscovery i{display:none}</style><div class=footer__inner><div class="copyright copyright--user"><span class=antidiscovery>© 2026 <i>L</i>B<i>P</i>e<i>o</i>n<i>i</i>j<i>n</i>a<i>c</i>m<i>G</i>i<i>N</i>n<i>U</i> <i>S</i>B<i>k</i>u<i>o</i>r<i>K</i>k<i>y</i>h<i>f</i>a<i>H</i>r<i>r</i>d<i>y</i>t</span>
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