diff --git a/layouts/partials/extended_footer.html b/layouts/partials/extended_footer.html
index ec71f24..210acdd 100644
--- a/layouts/partials/extended_footer.html
+++ b/layouts/partials/extended_footer.html
@@ -15,7 +15,7 @@ To add an extended footer section, please create
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diff --git a/public/de/404.html b/public/de/404.html
index 107b3df..d84d299 100644
--- a/public/de/404.html
+++ b/public/de/404.html
@@ -1,3 +1,3 @@
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diff --git a/public/de/about/index.html b/public/de/about/index.html
index b1ca797..8a07e4e 100644
--- a/public/de/about/index.html
+++ b/public/de/about/index.html
@@ -4,4 +4,4 @@ Dies ist mein persönlicher Blog (den ich in meiner Freizeit betreibe, all das i
 Dies ist mein persönlicher Blog (den ich in meiner Freizeit betreibe, all das ist nur ein Hobby), in dem ich über alle möglichen Dinge schreibe, die ich DIY-mäßig mache. Dazu gehören:
 "><meta property="og:url" content="https://blog.privacynerd.de/de/about/"><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"><meta property="article:published_time" content="2025-04-13 13:02:20 +0200 CEST"><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>Baustelle 🚧 | laufende Arbeiten</a></span></div></head><body><div class="container center"><header class=header><div class=header__inner><div class=header__logo><a href=/de><div class=logo>Privacynerd's blog</div></a></div><ul class="menu menu--mobile"><li class=menu__trigger>Menü&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/de/about>Über</a></li><li><a href=/de/tags>Tags</a></li><hr><li><a href=/en/about/>English</a></li><li><b><a href=/de/about/>Deutsch</a></b></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>de&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/en/about/>English</a></li><li><b><a href=/de/about/>Deutsch</a></b></li></ul></li></ul></div><nav class=navigation-menu><ul class="navigation-menu__inner menu--desktop"><li><a href=/de/about>Über</a></li><li><a href=/de/tags>Tags</a></li></ul></nav></header><div class=content><article class=post><h1 class=post-title><a href=https://blog.privacynerd.de/de/about/>Über</a></h1><div class=post-meta><time class=post-date>2025-04-13</time><span class=post-reading-time>3 Minuten Lesezeit (246 Wörter)</span></div><div class=post-content><div><h2 id=intention>Worum es hier gehen soll<a href=#intention class=hanchor arialabel=Anchor>#</a></h2><p>Also, mein Name ist Benjamin, und ich bin meistens als BlueFox bekannt. Ich liebe es, an Elektronik herumzubasteln, Sachen in 3D zu drucken und mit Holz zu arbeiten, aber ich programmiere auch ein bisschen und bin ein begeisterter Selbsthoster.</p><p>Dies ist mein persönlicher Blog (den ich in meiner Freizeit betreibe, all das ist nur ein Hobby), in dem ich über alle möglichen Dinge schreibe, die ich DIY-mäßig mache. Dazu gehören:</p><ul><li>Posts über meine DIY-Projekte,</li><li>über neue Erfahrungen, die ich beim Basteln sammle,</li><li>auch hier und da ein Update zu vorhandenen Projekten, Libraries von mir,</li><li>und vielleicht ja auch etwas ganz Neues!</li></ul><p>Schau dich doch <a href=/de/>einfach mal um</a>, und vielleicht findest du ja etwas Interessantes!</p><h2 id=the-logo>Das Logo<a href=#the-logo class=hanchor arialabel=Anchor>#</a></h2><p>Das Logo für diesen Blog ist entstanden, als mir irgendwann mal langweilig war. Es gefiel mir einfach, und seitdem verwende ich es regelmäßig für meine Projekte. Um genau zu sein, habe ich es gezeichnet, als ich vielleicht 11 Jahre alt war, und das erste Mal wurde es in einem <code>Django + Python</code>-Projekt von mir verwendet, das sich „PiFi“ nannte - was jetzt auch der Name eines High-Speed-Wifi-Nachrüstsatzes und eines HiFi-Systems ist, die beide auf Raspberry Pi&rsquo;s basieren (aber diese sind völlig unabhängig voneinander und konnten meine Namensgebung nicht kennen). Naja.</p><h2 id=the-story-behind-it>Die Geschichte dahinter (und noch mehr)<a href=#the-story-behind-it class=hanchor arialabel=Anchor>#</a></h2><p>Der erste Post in diesem Blog verrät viel über die Geschichte und wie es zu der Idee für diesen Blog kam. Wen es interessiert, der kann es <a href=https://blog.privacynerd.de/de/posts/2025/04/how-it-all-began/>hier</a> nachlesen.</p></div></div></article></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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diff --git a/public/de/categories/index.html b/public/de/categories/index.html
index 8915cb1..db47f61 100644
--- a/public/de/categories/index.html
+++ b/public/de/categories/index.html
@@ -1,3 +1,3 @@
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diff --git a/public/de/index.html b/public/de/index.html
index b79853c..f84dd9f 100644
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 <!doctype html><html lang=de><head><meta name=generator content="Hugo 0.159.0"><title>Privacynerd's blog</title><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content="Blog von privacynerd"><meta name=keywords content><meta name=robots content="noodp"><link rel=canonical href=https://blog.privacynerd.de/de/><link rel=stylesheet href=https://blog.privacynerd.de/css/buttons.min.86f6b4c106b6c6eb690ae5203d36b442c1f66f718ff4e8164fa86cf6c61ad641.css><link rel=stylesheet href=https://blog.privacynerd.de/css/code.min.c4581949edab7810737609fc5568852bcd908945f14561e366dcd2300a370545.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="de"><meta property="og:type" content="website"><meta property="og:title" content="Privacynerd's blog"><meta property="og:description" content="Blog von privacynerd"><meta property="og:url" content="https://blog.privacynerd.de/de/"><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"><meta property="article:published_time" content="2025-04-13 12:54:00 +0200 CEST"><link href=/de/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>Baustelle 🚧 | laufende Arbeiten</a></span></div></head><body><div class="container center"><header class=header><div class=header__inner><div class=header__logo><a href=/de><div class=logo>Privacynerd's blog</div></a></div><ul class="menu menu--mobile"><li class=menu__trigger>Menü&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/de/about>Über</a></li><li><a href=/de/tags>Tags</a></li><hr><li><a href=/en/>English</a></li><li><b><a href=/de/>Deutsch</a></b></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>de&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/en/>English</a></li><li><b><a href=/de/>Deutsch</a></b></li></ul></li></ul></div><nav class=navigation-menu><ul class="navigation-menu__inner menu--desktop"><li><a href=/de/about>Über</a></li><li><a href=/de/tags>Tags</a></li></ul></nav></header><div class=content><div class="index-content framed"><h1 id=ich-grüße-sie->Ich grüße Sie! 👋</h1><p>Mein Name ist Benjamin, und ich bin hauptsächlich als <em>BlueFox</em> bekannt.</p><p>Willkommen in diesem Blog! Ich liebe es, an Elektronik herumzubasteln, Sachen in 3D zu drucken und mit Holz zu arbeiten, aber ich <code>programmiere</code> auch ein bisschen und bin ein begeisterter Selbsthoster. Hier poste ich hin und wieder, was ich so anstelle.</p><p><strong>Schau dich doch einfach mal um!</strong></p></div><div class=posts><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/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>Einleitung</h2><p>Nach längerer Zeit mit über 40 Minuten Belichtungszeit bei der Platinenherstellung mit dem <a href=https://blog.privacynerd.de/de/posts/2025/04/diy-uv-pcb-exposure-unit/>UV-Belichter Marke Eigenbau</a> wurde es nun Zeit für das schon angekündigte Upgrade. Ziel war die Verdopplung der Anzahl der LEDs von 48 auf 96. Zum einen soll dadurch eine homogenere Abdeckung der Belichtungsfläche erzielt werden, zum anderen natürlich auch schnellere Belichtungszeiten.</p><h2 id=problems>1. Platinenprobleme</h2><p>Durch die erhöhte Anzahl LEDs erhöht sich auch die benötigte Leistung. Und das stellte ein Problem dar - die erste Steuerplatine war nur auf 1A bei 12V ausgelegt. Es muss also eine neue her - der Belichter belichtet seine eigene neue Controllerplatine.</p></div><div><a class="read-more button inline" href=/de/posts/2026/04/exposure-unit-upgrade/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/12/bottle-dryer/>Ein Flaschentrockner?!</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="Ein Flaschentrockner?!" title="Cover Image"><div class=post-content><h2 id=introduction>Die Idee</h2><p>Es ist Weihnachtszeit. Und das bedeutet, dass man etwas als Geschenk für seine Liebsten finden muss. Ein Problem, das vor allem Familien kennen dürften, ist, dass beim Spülen vieler Flaschen von Hand der Abtropfständer schnell voll ist, da die Flaschen viel Platz einnehmen. Um dieses Problem zu lösen, habe ich mir einen einfachen Flaschentrockner ausgedacht, in dem die nassen Flaschen Platz finden. Nach dem Sortieren verschiedener Ideen kam ich auf ein zusammenklappbares Design, das sich an den verfügbaren Platz anpassen lässt.</p></div><div><a class="read-more button inline" href=/de/posts/2025/12/bottle-dryer/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/11/nostalgic_memories/>Zwischen Homeschooling und Webdesign - nostalgische Erinnerung an die siebte Klasse</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="Zwischen Homeschooling und Webdesign - nostalgische Erinnerung an die siebte Klasse" title="Cover Image"><div class=post-content><h2 id=times-are-changing>Die Zeiten ändern sich</h2><p>Niemand weiß so recht hin oder her - es ist eine nie dagewesene Situation. Und doch muss man irgendwie damit umgehen. Ein Virus geht um, und alle Welt verschanzt sich plötzlich hinter ihren Fenstern und Haustüren. Ganz klar: es geht um die Corona-Pandemie, und den damit einhergehenden Lockdown. Auch Schulen waren in dieser Zeit lange geschlossen, statt Präsenzunterricht vor Ort gab es nun Homeschooling. Für einige war das Internet dabei noch immer Neuland, für andere schuf diese neue Lebensrealität ungeahnte (auch zeitliche) Möglichkeiten. Darunter auch ich - damals in der siebten Klasse eines bayerischen Gymnasiums.</p></div><div><a class="read-more button inline" href=/de/posts/2025/11/nostalgic_memories/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/04/diy-uv-pcb-exposure-unit/>UV-Belichter (LED) aus Marke Eigenbau</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="UV-Belichter (LED) aus Marke Eigenbau" title="Cover Image"><div class=post-content><p>Ist man eine gewisse Zeit lang in der (Elektronik-)DIY-Szene unterwegs, kommt man irgendwann auch um Platinen (gedruckte Leiterplatten/PCBs) nicht herum. Vorteile gegenüber dem manuellen Löten von Schaltungen auf Loch- bzw. Streifenrasterplatinen sind vor allem die einfachere Replizierbarkeit (einmal designed kann man eine Schaltung theoretisch beliebig oft herstellen) und die Möglichkeit, Platz effizienter zu nutzen (eine Platine ist fast immer kleiner als eine gelötete Lochrasterplatine mit der selben Schaltung). Letzendlich wirken Geräte mit Platinen aber auch schlicht professioneller. Sicherlich gibt es noch mehr Vorteile (und natürlich auch Nachteile!), auf deren Auflistung ich hier allerdings aus Gründen der Einfachheit verzichte.</p></div><div><a class="read-more button inline" href=/de/posts/2025/04/diy-uv-pcb-exposure-unit/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/04/how-it-all-began/>Wie es alles anfing - oder: der erste 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="Wie es alles anfing - oder: der erste Post!" title="Cover Image"><div class=post-content><h2 id=thinking>Vorüberlegungen</h2><p>Ich habe lange überlegt, wie ich diesen Post schreibe. Was muss erzählt werden, was ist unwichtig? Vieles muss wegen der Übersichtlichkeit weggelassen werden, und an so manches erinnere ich mich vielleicht schon gar nicht mehr. Jedenfalls möchte ich mit diesem Artikel meine Intention erklären, wie ich dazu kam, diesen Blog zu starten. Doch um das zu erklären, muss man die Ursprünge verstehen.</p><h2 id=beginnings>Wie alles anfing</h2><p>Alles begann damit, dass ich als Schüler der 5. oder 6. Klasse (ich weiß es nicht mehr so genau!) anfing, auf einem Laptop für die Schule ein Batch-Skript zu schreiben. Ja, so war es, ich gebe es zu - auch wenn ich nicht weiß, wer oder was mich dazu trieb. Eine grobe Vorstellung habe ich aber: Ich glaube, es war so eine intrinsische Motivation eines Kindes, herauszufinden, wie dieser Computer da vor ihm funktioniert, die mich dazu trieb.</p></div><div><a class="read-more button inline" href=/de/posts/2025/04/how-it-all-began/>[Mehr lesen]</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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 </a>::
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 </span></span><span class=line><span class=cl><span class=k>exit</span>
 </span></span></code></pre></div><p>Nun ja, daraufhin schenkte mir mein Vater das Buch ein Lehrbuch zu Python3<sup id=fnref:1><a href=#fn:1 class=footnote-ref role=doc-noteref>1</a></sup>, und es gab kein Zurück mehr. Ich glaube, ich habe mit meinen 11 oder 12 Jahren das gesamte Lehrbuch durchgelesen. Jedenfalls stieg ich irgendwann auf Linux um (anfangs <a href=https://linuxmint.com/>Linux Mint</a>) - dann kam Corona<sup id=fnref:2><a href=#fn:2 class=footnote-ref role=doc-noteref>2</a></sup>.</p><h2 id=covid-19>Corona<a href=#covid-19 class=hanchor arialabel=Anchor>#</a></h2><p>Für Schüler bedeutete Corona und das damit einhergehende Homeschooling und die Isolation vor allem eins: viel Zeit. Man nutzte sie unterschiedlich. Ich eben dafür, meinem neuen Hobby intensiv nachzugehen. In dieser Zeit lernte ich neue Programmiersprachen wie Java (z.T. für Minecraft-Plugins, <a href=https://git.privacynerd.de/BlueFox/MC-Plugins>hier</a> sind einige zu finden), brachte mir sogar etwas C und Assembler bei.</p><p>In dieser Zeit bekam ich meinen ersten Raspberry Pi geschenkt - mit weitreichenden Folgen. Denn es führte dazu, dass ich mich mehr und mehr der Hardwareseite zuwandte. Hatte ich zuvor Webapps mit Datenbank in <a href=https://www.djangoproject.com/>Django</a> bzw. <a href=https://flask.palletsprojects.com/en/stable/>Flask</a> und Python geschrieben, programmierte ich jetzt einfache Blinkschaltungen, dann irgendwann Skripte, die Sensordaten auslesen und auf einem kleinen OLED-Display (0.96") anzeigen oder die Lampen in meinem Zimmer auf Knopfdruck an- und ausschalteten (weil ein Lichtschalter ja nicht genug ist!). Ich entdeckte in dieser Zeit auch einen 3D-Drucker für mich, der bei uns seit längerer Zeit fast unbenutzt herumstand.</p><figure><img src=/en/posts/2025/04/how-it-all-began/esafep.jpg alt="Bild des ESafeP - ein „Tresor“ aus Holz mit eigener Software"><figcaption><p>Der „ESafeP“ - sehr stabil!</p></figcaption></figure><p>Noch hardwarenäher wurde es dann mit meinem ersten ESP32 - neue Ideen entstanden und damit neue Projekte. Ein selbstgebauter Tresor (supersicher aus Holz!) mit eigener <a href=https://git.privacynerd.de/BlueFox/ESafeP>Software</a> gehörten ebenso dazu wie ein eigener <a href=https://git.privacynerd.de/NetSpeaker/NetSpeaker>MP3-(und vieles mehr)-Player</a>. Immer wieder kam dabei eben auch der 3D-Drucker zur Anwendung, wie es im DIY-Raum eben so üblich ist - zum Beispiel für das Gehäuse zu meinem batteriebetriebenen <a href=https://git.privacynerd.de/BlueFox/losungepaper>Losungs-ePaper</a>.</p><figure><img src=/en/posts/2025/04/how-it-all-began/netspeaker.jpg alt="Bild eines fertigen, selbstgebauten NetSpeakers in Gehäuse - unter anderem ein MP3-Player."><figcaption><p>Ein NetSpeaker</p></figcaption></figure><figure><img src=/en/posts/2025/04/how-it-all-began/losung-epaper.jpg alt="Bild des fertigen ePapers, welches die aktuelle Tageslosung anzeigt"><figcaption><p>Das Losungs-ePaper</p></figcaption></figure><p>Alles in allem hatte die Corona-Pandemie dadurch zumindest für mich vorher ungeahnte neue Räume eröffnet und eben auch ihre positiven Seiten: In dieser Zeit entwickelte sich mein Interesse am 3D-Druck, was auch in diesem Blog thematisiert werden könnte.</p><h2 id=until-now>Bis jetzt&mldr;<a href=#until-now class=hanchor arialabel=Anchor>#</a></h2><p>Nun, sehr viel hat sich seither nicht mehr geändert. Irgendwann kam dann noch das Self-Hosting dazu, und ich lernte auch Holz als spannendes Werksmaterial kennen (wie etwas weiter oben schon angerissen). Es ist so spannend zu sehen, was man alles selber hosten kann: seinen eigenen Datei-Synchronisationsservice, sein <a href=https://git.privacynerd.de/>eigenes Github</a>, Medienserver, und so weiter. Anfangs lief alles auf dem besagten Raspberry Pi. Später musste jedoch auch Zugang von außerhalb des Heimnetzes her, und seither laufen viele Dienste auf einem angemieteten Server.</p><figure><img src=/en/posts/2025/04/how-it-all-began/gitea-a-self-hosted-github.png alt="Screenshot meiner selbstgehosteten Gitea-Instanz"><figcaption><p>Ein „selbst gehostetes Github“</p></figcaption></figure><p>Vor nicht allzu langer Zeit kam mir dann eine Idee. Ich war dabei, selbst Platinen ätzen zu lernen, und die Informationen hierzu bezog ich vor allem in Blogs anderer „Maker”. Warum also nicht darüber, was du machst, schreiben? Zum einen könnte es ja tatsächlich sein, dass sich ein Suchender auf den Blog verirrt, zum anderen ist es aber auch einfach eine sinnvolle Dokumentationsweise, und vielleicht sogar etwas Gutes für spätere Bewerbungen.</p><figure><img src=/en/posts/2025/04/how-it-all-began/etching-station.jpg alt="Bild eines Aufbaus, um Platinen manuell zu ätzen; im Bild: ein selbst gebauter UV-Belichter, ein Ätzgerät sowie ein Gefäß mit Natronlauge"><figcaption><p>Der Ätzaufbau</p></figcaption></figure><p>Also, hingesetzt und nach Möglichkeiten gesucht, einen Blog zu erstellen. Natürlich musste er selbst gehostet sein, und vielleicht sogar ein bisschen selbst gemacht. Das führte mich zu <a href=https://gohugo.io/>Hugo</a> (auch Jekyll war eine Überlegung), einem relativ simplen (und sehr schnellen) Static-Site-Generator, der aus Markdown (unter anderem) Websites generieren kann und somit eigentlich perfekt für einen Blog geeignet ist. Bei der Theme-Auswahl schwankte ich anfangs zwischen „selbst erstellen“ und „vorhandenes nutzen“. Aus Zeitmangel und Gründen der Einfachheit wurde es dann eben ein vorhandenes, genauer <a href=https://themes.gohugo.io/themes/hugo-theme-terminal/>Terminal</a>. An meine Bedürfnisse angepasst, war der Blog an sich schon recht schnell fertig<sup id=fnref:3><a href=#fn:3 class=footnote-ref role=doc-noteref>3</a></sup>. Jetzt wartet er nur noch darauf, mit Inhalt gefüllt zu werden.</p><h2 id=planned-content>Geplante Inhalte<a href=#planned-content class=hanchor arialabel=Anchor>#</a></h2><p>Was man am Anfang plant, wird selten genau so umgesetzt - und so wird es vermutlich auch mit diesem Blog sein, und das ist gut so. Schließlich entwickelt sich alles weiter. Aber ich schreibe hier jetzt dennoch auf, was ich plane, in Zukunft auf diesem Blog zu schreiben - eine grobe Vorstellung habe ich nämlich doch.</p><ul><li>über meine DIY-Projekte,</li><li>über neue Erfahrungen, die ich beim Basteln sammle,</li><li>auch hier und da ein Update zu vorhandenen Projekten, Libraries von mir,</li><li>und vielleicht ja auch etwas ganz Neues!</li></ul><p>Zusammengefasst: alles, was ich DIY-mäßig tue, möchte ich hier (wenn Zeit und Lust da sind) teilen bzw. dokumentieren - in der Hoffnung, dass sich vielleicht wirklich mal jemand die genau selbe Frage stellt wie ich oder eine ähnliche Idee hat wie ich, und sich dann in diesen Blog verirrt.</p><div class=footnotes role=doc-endnotes><hr><ol><li id=fn:1><p><a href=https://www.rheinwerk-verlag.de/python-3-das-umfassende-handbuch/>Python3 - das umfassende Handbuch von Johannes Ernesti und Peter Kaiser</a> (keine Werbung!)&#160;<a href=#fnref:1 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:2><p>So einfach war es dann auch wieder nicht, aber aus Gründen der Übersichtlichkeit habe ich hier eben vereinfacht.&#160;<a href=#fnref:2 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:3><p>&mldr;einige Nachmittage (und Abende bis Nächte) gingen aber doch dafür drauf (um ehrlich zu sein).&#160;<a href=#fnref:3 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li></ol></div></div></div><div class=pagination><div class=pagination__title><span class=pagination__title-h>Andere Posts lesen</span><hr></div><div class=pagination__buttons><a href=https://blog.privacynerd.de/de/posts/2025/04/diy-uv-pcb-exposure-unit/ class="button inline prev">&lt; [<span class=button__text>UV-Belichter (LED) aus Marke Eigenbau</span>]</a></div></div></article></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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diff --git a/public/de/posts/2026/04/exposure-unit-upgrade/index.html b/public/de/posts/2026/04/exposure-unit-upgrade/index.html
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 "><meta property="og:url" content="https://blog.privacynerd.de/de/posts/2026/04/exposure-unit-upgrade/"><meta property="og:site_name" content="Privacynerd's blog"><meta property="og:image" content="https://blog.privacynerd.de/en/posts/2026/04/exposure-unit-upgrade/cover.png"><meta property="og:image:width" content="1200"><meta property="og:image:height" content="627"><meta property="article:published_time" content="2026-04-10 18:09:20 +0200 CEST"><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>Baustelle 🚧 | laufende Arbeiten</a></span></div></head><body><div class="container center"><header class=header><div class=header__inner><div class=header__logo><a href=/de><div class=logo>Privacynerd's blog</div></a></div><ul class="menu menu--mobile"><li class=menu__trigger>Menü&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/de/about>Über</a></li><li><a href=/de/tags>Tags</a></li><hr><li><a href=/en/posts/2026/04/exposure-unit-upgrade/>English</a></li><li><b><a href=/de/posts/2026/04/exposure-unit-upgrade/>Deutsch</a></b></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>de&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/en/posts/2026/04/exposure-unit-upgrade/>English</a></li><li><b><a href=/de/posts/2026/04/exposure-unit-upgrade/>Deutsch</a></b></li></ul></li></ul></div><nav class=navigation-menu><ul class="navigation-menu__inner menu--desktop"><li><a href=/de/about>Über</a></li><li><a href=/de/tags>Tags</a></li></ul></nav></header><div class=content><article class=post><h1 class=post-title><a href=https://blog.privacynerd.de/de/posts/2026/04/exposure-unit-upgrade/>Verbesserung des UV-Belichters</a></h1><div class=post-meta><time class=post-date>2026-04-10</time><span class=post-reading-time>3 Minuten Lesezeit (291 Wörter)</span></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=table-of-contents><h2>Inhaltsverzeichnis</h2><nav id=TableOfContents><ul><li><a href=#introduction>Einleitung</a></li><li><a href=#problems>1. Platinenprobleme</a></li><li><a href=#new-look>2. Neuer Anstrich</a></li><li><a href=#ergebnis>Ergebnis</a></li></ul></nav></div><div class=post-content><div><h2 id=introduction>Einleitung<a href=#introduction class=hanchor arialabel=Anchor>#</a></h2><p>Nach längerer Zeit mit über 40 Minuten Belichtungszeit bei der Platinenherstellung mit dem <a href=https://blog.privacynerd.de/de/posts/2025/04/diy-uv-pcb-exposure-unit/>UV-Belichter Marke Eigenbau</a> wurde es nun Zeit für das schon angekündigte Upgrade. Ziel war die Verdopplung der Anzahl der LEDs von 48 auf 96. Zum einen soll dadurch eine homogenere Abdeckung der Belichtungsfläche erzielt werden, zum anderen natürlich auch schnellere Belichtungszeiten.</p><h2 id=problems>1. Platinenprobleme<a href=#problems class=hanchor arialabel=Anchor>#</a></h2><p>Durch die erhöhte Anzahl LEDs erhöht sich auch die benötigte Leistung. Und das stellte ein Problem dar - die erste Steuerplatine war nur auf 1A bei 12V ausgelegt. Es muss also eine neue her - der Belichter belichtet seine eigene neue Controllerplatine.</p><p><img src=/en/posts/2026/04/exposure-unit-upgrade/pcb_arrangement.png alt="Das Layout"></p><p>Im Vergleich mit der ersten Version zeigt sich der Vorteil von PCBs gegenüber von Lochrasterplatinen deutlich:</p><figure><img src=/en/posts/2026/04/exposure-unit-upgrade/pcb_comparison_old_new.jpg alt="Die alte und die neue Steuerplatine im Vergleich: die neue ist deutlich kleiner als die alte"><figcaption><p>Links: neu - rechts: alt</p></figcaption></figure><p>Durch ein zweiseitiges Layout konnte der benötigte Platz deutlich reduziert werden.</p><h2 id=new-look>2. Neuer Anstrich<a href=#new-look class=hanchor arialabel=Anchor>#</a></h2><p>Für noch bessere Effizienz durch Reflexion wir die neue Platine auch wie die alte mit Chromeffektlack besprüht. Weil der geringere Abstand zwischen den LEDs allerdings auch eine andere Platzierung der beiden LED-Trägerplatinen (etwas geringerer Abstand in der Mitte, um homogen zu bleiben) nötig macht, musste um der Schönheit willen auch der Innenraum des Belichters nochmals lackiert werden - sonst sähe man die Abdrücke der alten Platinen noch immer.</p><p><img src=/en/posts/2026/04/exposure-unit-upgrade/before-after-spray.png alt="Vorher-Nachher-Bild der Lackierung der Trägerplatinen und des Innenraums des Belichters"></p><h2 id=ergebnis>Ergebnis<a href=#ergebnis class=hanchor arialabel=Anchor>#</a></h2><p>Das Ergebnis kann sich sehen lassen - man kann nun fast keine einzelnen Lichtkegel auf Belichtungsabstand (dort, wo die Platine aufliegt) mehr sehen, es ergibt sich ein sehr homogenes Bild.</p><figure><img src=/en/posts/2026/04/exposure-unit-upgrade/before-after_homogenity.jpg alt="Vorher-Nachher-Bild der Ausleuchtung: Links sehr homogen, rechts noch einzelne Lichtkgeel erkennbar"><figcaption><p>Links: neue Trägerplatine (48 LEDs); rechts: alte Trägerplatine (24 LEDs)</p></figcaption></figure><p>Im Bild wurde auf die Glasscheibe ein Papier gelegt, um die Ausleuchtung der Fläche festzustellen. Rechts wurde die alte (24 LEDs), links eine neue Trägerplatine (48 LEDs) eingebaut.
 Die neuen Belichtungszeiten konnten aufgrund von Zeitmangel nicht genau festgestellt werden, werden sich jedoch im Bereich um 15-20 Minuten bewegen.</p></div></div><div class=pagination><div class=pagination__title><span class=pagination__title-h>Andere Posts lesen</span><hr></div><div class=pagination__buttons><a href=https://blog.privacynerd.de/de/posts/2025/12/bottle-dryer/ class="button inline next">[<span class=button__text>Ein Flaschentrockner?!</span>] ></a></div></div></article></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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 <!doctype html><html lang=de><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/de/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.c4581949edab7810737609fc5568852bcd908945f14561e366dcd2300a370545.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="de"><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/de/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=/de/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>Baustelle 🚧 | laufende Arbeiten</a></span></div></head><body><div class="container center"><header class=header><div class=header__inner><div class=header__logo><a href=/de><div class=logo>Privacynerd's blog</div></a></div><ul class="menu menu--mobile"><li class=menu__trigger>Menü&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/de/about>Über</a></li><li><a href=/de/tags>Tags</a></li><hr><li><a href=/en/posts/>English</a></li><li><b><a href=/de/posts/>Deutsch</a></b></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>de&nbsp;▾</li><li><ul class=menu__dropdown><li><a href=/en/posts/>English</a></li><li><b><a href=/de/posts/>Deutsch</a></b></li></ul></li></ul></div><nav class=navigation-menu><ul class="navigation-menu__inner menu--desktop"><li><a href=/de/about>Über</a></li><li><a href=/de/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/de/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>Einleitung</h2><p>Nach längerer Zeit mit über 40 Minuten Belichtungszeit bei der Platinenherstellung mit dem <a href=https://blog.privacynerd.de/de/posts/2025/04/diy-uv-pcb-exposure-unit/>UV-Belichter Marke Eigenbau</a> wurde es nun Zeit für das schon angekündigte Upgrade. Ziel war die Verdopplung der Anzahl der LEDs von 48 auf 96. Zum einen soll dadurch eine homogenere Abdeckung der Belichtungsfläche erzielt werden, zum anderen natürlich auch schnellere Belichtungszeiten.</p><h2 id=problems>1. Platinenprobleme</h2><p>Durch die erhöhte Anzahl LEDs erhöht sich auch die benötigte Leistung. Und das stellte ein Problem dar - die erste Steuerplatine war nur auf 1A bei 12V ausgelegt. Es muss also eine neue her - der Belichter belichtet seine eigene neue Controllerplatine.</p></div><div><a class="read-more button inline" href=/de/posts/2026/04/exposure-unit-upgrade/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/12/bottle-dryer/>Ein Flaschentrockner?!</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="Ein Flaschentrockner?!" title="Cover Image"><div class=post-content><h2 id=introduction>Die Idee</h2><p>Es ist Weihnachtszeit. Und das bedeutet, dass man etwas als Geschenk für seine Liebsten finden muss. Ein Problem, das vor allem Familien kennen dürften, ist, dass beim Spülen vieler Flaschen von Hand der Abtropfständer schnell voll ist, da die Flaschen viel Platz einnehmen. Um dieses Problem zu lösen, habe ich mir einen einfachen Flaschentrockner ausgedacht, in dem die nassen Flaschen Platz finden. Nach dem Sortieren verschiedener Ideen kam ich auf ein zusammenklappbares Design, das sich an den verfügbaren Platz anpassen lässt.</p></div><div><a class="read-more button inline" href=/de/posts/2025/12/bottle-dryer/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/11/nostalgic_memories/>Zwischen Homeschooling und Webdesign - nostalgische Erinnerung an die siebte Klasse</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="Zwischen Homeschooling und Webdesign - nostalgische Erinnerung an die siebte Klasse" title="Cover Image"><div class=post-content><h2 id=times-are-changing>Die Zeiten ändern sich</h2><p>Niemand weiß so recht hin oder her - es ist eine nie dagewesene Situation. Und doch muss man irgendwie damit umgehen. Ein Virus geht um, und alle Welt verschanzt sich plötzlich hinter ihren Fenstern und Haustüren. Ganz klar: es geht um die Corona-Pandemie, und den damit einhergehenden Lockdown. Auch Schulen waren in dieser Zeit lange geschlossen, statt Präsenzunterricht vor Ort gab es nun Homeschooling. Für einige war das Internet dabei noch immer Neuland, für andere schuf diese neue Lebensrealität ungeahnte (auch zeitliche) Möglichkeiten. Darunter auch ich - damals in der siebten Klasse eines bayerischen Gymnasiums.</p></div><div><a class="read-more button inline" href=/de/posts/2025/11/nostalgic_memories/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/04/diy-uv-pcb-exposure-unit/>UV-Belichter (LED) aus Marke Eigenbau</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="UV-Belichter (LED) aus Marke Eigenbau" title="Cover Image"><div class=post-content><p>Ist man eine gewisse Zeit lang in der (Elektronik-)DIY-Szene unterwegs, kommt man irgendwann auch um Platinen (gedruckte Leiterplatten/PCBs) nicht herum. Vorteile gegenüber dem manuellen Löten von Schaltungen auf Loch- bzw. Streifenrasterplatinen sind vor allem die einfachere Replizierbarkeit (einmal designed kann man eine Schaltung theoretisch beliebig oft herstellen) und die Möglichkeit, Platz effizienter zu nutzen (eine Platine ist fast immer kleiner als eine gelötete Lochrasterplatine mit der selben Schaltung). Letzendlich wirken Geräte mit Platinen aber auch schlicht professioneller. Sicherlich gibt es noch mehr Vorteile (und natürlich auch Nachteile!), auf deren Auflistung ich hier allerdings aus Gründen der Einfachheit verzichte.</p></div><div><a class="read-more button inline" href=/de/posts/2025/04/diy-uv-pcb-exposure-unit/>[Mehr lesen]</a></div></article><article class="post on-list"><h2 class=post-title><a href=https://blog.privacynerd.de/de/posts/2025/04/how-it-all-began/>Wie es alles anfing - oder: der erste 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="Wie es alles anfing - oder: der erste Post!" title="Cover Image"><div class=post-content><h2 id=thinking>Vorüberlegungen</h2><p>Ich habe lange überlegt, wie ich diesen Post schreibe. Was muss erzählt werden, was ist unwichtig? Vieles muss wegen der Übersichtlichkeit weggelassen werden, und an so manches erinnere ich mich vielleicht schon gar nicht mehr. Jedenfalls möchte ich mit diesem Artikel meine Intention erklären, wie ich dazu kam, diesen Blog zu starten. Doch um das zu erklären, muss man die Ursprünge verstehen.</p><h2 id=beginnings>Wie alles anfing</h2><p>Alles begann damit, dass ich als Schüler der 5. oder 6. Klasse (ich weiß es nicht mehr so genau!) anfing, auf einem Laptop für die Schule ein Batch-Skript zu schreiben. Ja, so war es, ich gebe es zu - auch wenn ich nicht weiß, wer oder was mich dazu trieb. Eine grobe Vorstellung habe ich aber: Ich glaube, es war so eine intrinsische Motivation eines Kindes, herauszufinden, wie dieser Computer da vor ihm funktioniert, die mich dazu trieb.</p></div><div><a class="read-more button inline" href=/de/posts/2025/04/how-it-all-began/>[Mehr lesen]</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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diff --git a/public/en/about/index.html b/public/en/about/index.html
index 86ba881..bf22903 100644
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@@ -6,4 +6,4 @@ This is my personal blog (driven in my free time, all of this is just a hobby) a
 posts about my DIY projects, about new experiences that I gather while tinkering, also an update here and there on existing projects and libraries of mine, and maybe something completely new! Just have a look around, perhaps you&rsquo;ll find something interesting!
 "><meta property="og:url" content="https://blog.privacynerd.de/en/about/"><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"><meta property="article:published_time" content="2025-04-13 13:02:20 +0200 CEST"><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&nbsp;▾</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/about/>English</a></b></li><li><a href=/de/about/>Deutsch</a></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>en&nbsp;▾</li><li><ul class=menu__dropdown><li><b><a href=/en/about/>English</a></b></li><li><a href=/de/about/>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><article class=post><h1 class=post-title><a href=https://blog.privacynerd.de/en/about/>About</a></h1><div class=post-meta><time class=post-date>2025-04-13</time><span class=post-reading-time>3 minutes to read (244 words)</span></div><div class=post-content><div><h2 id=intention>The intention<a href=#intention class=hanchor arialabel=Anchor>#</a></h2><p>Well, my Name is Benjamin, and I’m mostly known as BlueFox. I love tinkering around with electronics, 3D printing stuff and working with wood, but I also do a bit of programming and am an avid self-hoster.</p><p>This is my personal blog (driven in my free time, all of this is just a hobby) about all the kinds of things I&rsquo;m doing DIY-wise. This includes:</p><ul><li>posts about my DIY projects,</li><li>about new experiences that I gather while tinkering,</li><li>also an update here and there on existing projects and libraries of mine,</li><li>and maybe something completely new!</li></ul><p>Just have a <a href=/en/>look around</a>, perhaps you&rsquo;ll find something interesting!</p><h2 id=the-logo>The Logo<a href=#the-logo class=hanchor arialabel=Anchor>#</a></h2><p>The logo for this blog was created when I was bored at some point. I just loved the look of it and since then, I use it regularly for projects of mine. To be more precise, I drew it when I was maybe 11 years old, and the first time it was used was in a <code>Django + Python</code> project of mine, called “PiFi” - which is now also the name of a high-speed wifi upgrade kit and a hifi system, both based on Raspberry Pi&rsquo;s (but these are completely unrelated and couldn&rsquo;t have known my naming). Whatever.</p><h2 id=the-story-behind-it>The story behind it (and more)<a href=#the-story-behind-it class=hanchor arialabel=Anchor>#</a></h2><p>The first post in this blog reveals a lot about the history and how the idea for this blog came about. If you are interested, you can read it <a href=https://blog.privacynerd.de/en/posts/2025/04/how-it-all-began/>here</a>.</p></div></div></article></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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diff --git a/public/en/categories/index.html b/public/en/categories/index.html
index b16d175..a66af3e 100644
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@@ -1,3 +1,3 @@
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diff --git a/public/en/index.html b/public/en/index.html
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 <!doctype html><html lang=en><head><meta name=generator content="Hugo 0.159.0"><title>Privacynerd's blog</title><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content="Blog of privacynerd"><meta name=keywords content><meta name=robots content="noodp"><link rel=canonical href=https://blog.privacynerd.de/en/><link rel=stylesheet href=https://blog.privacynerd.de/css/buttons.min.86f6b4c106b6c6eb690ae5203d36b442c1f66f718ff4e8164fa86cf6c61ad641.css><link rel=stylesheet href=https://blog.privacynerd.de/css/code.min.c4581949edab7810737609fc5568852bcd908945f14561e366dcd2300a370545.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="Privacynerd's blog"><meta property="og:description" content="Blog of privacynerd"><meta property="og:url" content="https://blog.privacynerd.de/en/"><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"><meta property="article:published_time" content="2025-04-13 12:54:00 +0200 CEST"><link href=/en/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&nbsp;▾</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/>English</a></b></li><li><a href=/de/>Deutsch</a></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>en&nbsp;▾</li><li><ul class=menu__dropdown><li><b><a href=/en/>English</a></b></li><li><a href=/de/>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="index-content framed"><h1 id=hey-there->Hey there! 👋</h1><p>My Name is Benjamin, and I&rsquo;m mostly known as <em>BlueFox</em>.</p><p>Welcome to this blog! I love tinkering around with electronics, 3D printing stuff and working with wood, but I also do a bit of <code>programming</code> and am an avid self-hoster. This is where I post about my activities from time to time.</p><p><strong>Just have a look around!</strong></p></div><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 new 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&rsquo;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&rsquo;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&rsquo;ve been around the (electronics) DIY scene for a while, at some point you can&rsquo;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&rsquo;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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 </a>::
 <a href=https://blog.privacynerd.de/en/posts/2025/04/how-it-all-began/ class="button inline next">[<span class=button__text>How everything began - or: the first post!</span>] ></a></div></div></article></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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-<span>:: <a href=https://github.com/panr/hugo-theme-terminal target=_blank>Theme</a> made by <a href=https://github.com/panr target=_blank>panr</a> (customized)</span></div></div></footer><script type=text/javascript src=/bundle.min.js></script><script src=https://swetrix.privacynerd.de/script.js defer></script><script>document.addEventListener("DOMContentLoaded",function(){swetrix.init("GyBjobBbBEEC",{apiURL:"https://swetrix.privacynerd.de/backend/log"}),swetrix.trackViews(),swetrix.trackErrors({sampleRate:1,callback:0[0]})})</script><noscript><img src="https://swetrix.privacynerd.de/api/log/noscript?pid=GyBjobBbBEEC" alt referrerpolicy=no-referrer-when-downgrade></noscript></div></body></html>
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 </span></span><span class=line><span class=cl><span class=k>exit</span>
 </span></span></code></pre></div><p>Well, then my father gave me the book, a textbook on Python3<sup id=fnref:1><a href=#fn:1 class=footnote-ref role=doc-noteref>1</a></sup>, and there was no turning back. I think I read the entire textbook when I was 11 or 12 years old. Anyway, at some point I switched to Linux (initially <a href=https://linuxmint.com/>Linux Mint</a>) - then came COVID-19<sup id=fnref:2><a href=#fn:2 class=footnote-ref role=doc-noteref>2</a></sup>.</p><h2 id=covid-19>COVID-19<a href=#covid-19 class=hanchor arialabel=Anchor>#</a></h2><p>For students, COVID-19 and the associated homeschooling and isolation meant one thing above all: a lot of time. They used it in different ways. I used it to pursue my new hobby intensively. During this time, I learned new programming languages like Java (partly for Minecraft plugins, <a href=https://git.privacynerd.de/BlueFox/MC-Plugins>here</a> you can find some), and even taught myself some C and assembler.</p><p>During this time, I was given my first Raspberry Pi - with far-reaching consequences. Because it led to me turning more and more to the hardware side. While I had previously written web apps with a database in <a href=https://www.djangoproject.com/>Django</a> or <a href=https://flask.palletsprojects.com/en/stable/>Flask</a> and Python, I was now programming simple blinking circuits, then at some point scripts that read sensor data and displayed it on a small OLED display (0.96") or switched the lamps in my room on and off at the touch of a button (because a light switch is not enough!). During this time, I also discovered for myself a 3D printer that had been sitting around almost unused for a long time.</p><figure><img src=/en/posts/2025/04/how-it-all-began/esafep.jpg alt="Picture of the ESafeP - a wooden ”safe“ with its own software"><figcaption><p>The ”ESafeP“ - very stable!</p></figcaption></figure><p>Things got even more hardware-oriented with my first ESP32 - new ideas emerged and with them new projects. A self-built safe (super safe made of wood!) with my own <a href=https://git.privacynerd.de/BlueFox/ESafeP>software</a> was just as much a part of it as my own <a href=https://git.privacynerd.de/NetSpeaker/NetSpeaker>MP3 (and much more) player</a>. The 3D printer was also used time and again, as it is common in the DIY space - for example for the housing for my battery-powered <a href=https://git.privacynerd.de/BlueFox/losungepaper>ePaper showing the german ”Tageslosung“ - a verse from the bible for every day</a>.</p><figure><img src=/en/posts/2025/04/how-it-all-began/netspeaker.jpg alt="Image of a finished, self-made NetSpeaker in housing - which is (not) just MP3 player."><figcaption><p>A NetSpeaker</p></figcaption></figure><figure><img src=/en/posts/2025/04/how-it-all-began/losung-epaper.jpg alt="Image of the finished ePaper, which displays the current daily verse of the bibel (german ”Tageslosung“)"><figcaption><p>Losungs-ePaper (showing a biblical verse of the day)</p></figcaption></figure><p>All in all, the corona pandemic had opened up previously unimagined new spaces, at least for me, and also had its positive sides: During this time, I developed an interest in 3D printing, which could also be the subject of this blog.</p><h2 id=until-now>Until now&mldr;<a href=#until-now class=hanchor arialabel=Anchor>#</a></h2><p>Well, not much has changed since then. At some point, self-hosting got a thing for me, and I also got to know wood as an exciting material (as already mentioned above). It&rsquo;s so cool to see what you can host yourself: your own file synchronization service, your <a href=https://git.privacynerd.de/>own Github</a>, media servers, and so on. Initially, everything ran on the aforementioned Raspberry Pi. Later, however, access from outside the home network was required, and since then many services have been running on a rented server.</p><figure><img src=/en/posts/2025/04/how-it-all-began/gitea-a-self-hosted-github.png alt="Screenshot of my self-hosted instance of Gitea"><figcaption><p>A ”self-hosted Github“</p></figcaption></figure><p>Not so long ago, I had an idea: I was learning to etch circuit boards myself, and the information I was getting was mainly from other makers&rsquo; blogs. Thus, why not write about what you do? On the one hand, it could actually be that someone looking for it might find their way to the blog, but on the other hand, it&rsquo;s simply a useful way of documenting it, and maybe even something good for future job applications.</p><figure><img src=/en/posts/2025/04/how-it-all-began/etching-station.jpg alt="Picture of a setup for manually etching circuit boards; in the picture: a self-built UV exposure unit, an etching unit and a container with caustic soda solution"><figcaption><p>The etching setup</p></figcaption></figure><p>So, I sat down and looked for ways to create a blog. Of course, it had to be self-hosted, and maybe even a bit self-made. This led me to <a href=https://gohugo.io/>Hugo</a> (Jekyll was also a consideration), a relatively simple (and very fast) static site generator that can generate websites from Markdown (among other things) and is therefore actually perfect for a blog. When choosing a theme, I initially wavered between ”create it myself“ and ”use an existing one“. Due to a lack of time and for reasons of simplicity, I ended up using an existing one, more precisely <a href=https://themes.gohugo.io/themes/hugo-theme-terminal/>Terminal</a>. Adapted to my needs, the blog itself was already finished relatively quickly<sup id=fnref:3><a href=#fn:3 class=footnote-ref role=doc-noteref>3</a></sup>. Now it&rsquo;s just waiting to be filled with content.</p><h2 id=planned-content>Planned content<a href=#planned-content class=hanchor arialabel=Anchor>#</a></h2><p>What you plan at the beginning is rarely implemented in exactly the same way in the end - and that will probably also be the case with this blog, and that&rsquo;s a good thing. After all, everything evolves. But I&rsquo;m still going to write down what I plan to write on this blog in the future - because I do have a rough idea.</p><ul><li>about my DIY projects,</li><li>about new experiences that I gather while tinkering,</li><li>also an update here and there on existing projects and libraries of mine,</li><li>and maybe something completely new!</li></ul><p>To summarize: everything I do DIY-wise, I would like to share resp. document here (if there is time and inclination) - in the hope that maybe someone will ask themselves the exact same question as me or have a similar idea to mine, and then find their way to this blog.</p><div class=footnotes role=doc-endnotes><hr><ol><li id=fn:1><p><a href=https://www.rheinwerk-verlag.de/python-3-das-umfassende-handbuch/>Python3 - das umfassende Handbuch von Johannes Ernesti und Peter Kaiser</a> (no advertising!)&#160;<a href=#fnref:1 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:2><p>Then again, it wasn&rsquo;t that easy, but for the sake of clarity I&rsquo;ve just simplified here.&#160;<a href=#fnref:2 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:3><p>&mldr;but, to be honest, a few afternoons (and evenings and nights) were spent on it.&#160;<a href=#fnref:3 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li></ol></div></div></div><div class=pagination><div class=pagination__title><span class=pagination__title-h>Read other posts</span><hr></div><div class=pagination__buttons><a href=https://blog.privacynerd.de/en/posts/2025/04/diy-uv-pcb-exposure-unit/ class="button inline prev">&lt; [<span class=button__text>Self-built UV exposure unit (LED)</span>]</a></div></div></article></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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 "><meta property="og:url" content="https://blog.privacynerd.de/en/posts/2026/04/exposure-unit-upgrade/"><meta property="og:site_name" content="Privacynerd's blog"><meta property="og:image" content="https://blog.privacynerd.de/en/posts/2026/04/exposure-unit-upgrade/cover.png"><meta property="og:image:width" content="1200"><meta property="og:image:height" content="627"><meta property="article:published_time" content="2026-04-10 18:09:20 +0200 CEST"><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&nbsp;▾</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/2026/04/exposure-unit-upgrade/>English</a></b></li><li><a href=/de/posts/2026/04/exposure-unit-upgrade/>Deutsch</a></li></ul></li></ul><ul class="menu menu--desktop menu--language-selector"><li class=menu__trigger>en&nbsp;▾</li><li><ul class=menu__dropdown><li><b><a href=/en/posts/2026/04/exposure-unit-upgrade/>English</a></b></li><li><a href=/de/posts/2026/04/exposure-unit-upgrade/>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><article class=post><h1 class=post-title><a href=https://blog.privacynerd.de/en/posts/2026/04/exposure-unit-upgrade/>Verbesserung des UV-Belichters</a></h1><div class=post-meta><time class=post-date>2026-04-10</time><span class=post-reading-time>3 minutes to read (319 words)</span></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=table-of-contents><h2>Table of Contents</h2><nav id=TableOfContents><ul><li><a href=#introduction>Introduction</a></li><li><a href=#problems>1. PCB Problems</a></li><li><a href=#2-fresh-coat>2. Fresh coat</a></li><li><a href=#result>Result</a></li></ul></nav></div><div class=post-content><div><h2 id=introduction>Introduction<a href=#introduction class=hanchor arialabel=Anchor>#</a></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<a href=#problems class=hanchor arialabel=Anchor>#</a></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 new controller board.</p><p><img src=/en/posts/2026/04/exposure-unit-upgrade/pcb_arrangement.png alt="The layout"></p><p>Compared to the first version, the advantage of PCBs over breadboards is clear:</p><figure><img src=/en/posts/2026/04/exposure-unit-upgrade/pcb_comparison_old_new.jpg alt="The new and old controller boards compared; the new one is significantly smaller than the old one"><figcaption><p>Left: new - right: old</p></figcaption></figure><p>A double-sided layout made it possible to significantly reduce the amount of space required.</p><h2 id=2-fresh-coat>2. Fresh coat<a href=#2-fresh-coat class=hanchor arialabel=Anchor>#</a></h2><p>To further improve efficiency through reflection, the new circuit board is also sprayed with chrome-effect paint, just like the old one. However, because the smaller distance between the LEDs also requires a different placement of the two LED carrier boards (slightly less distance in the middle to maintain uniformity), the interior of the exposure unit had to be repainted for aesthetic reasons - otherwise, the footprints of the old boards would still be visible.</p><p><img src=/en/posts/2026/04/exposure-unit-upgrade/before-after-spray.png alt="Before-and-after image of the coating on the carrier circuit boards and the interior of the exposure unit"></p><h2 id=result>Result<a href=#result class=hanchor arialabel=Anchor>#</a></h2><p>The result is impressive - you can now barely see any individual light cones at the exposure distance (where the circuit board is placed), resulting in a very uniform image.</p><figure><img src=/en/posts/2026/04/exposure-unit-upgrade/before-after_homogenity.jpg alt="Before-and-after image of the illumination: Very uniform on the left, individual light cones still visible on the right"><figcaption><p>Left: new (48x) LED board; right: old (24x) LED board</p></figcaption></figure><p>In the image, a piece of paper was placed on the glass pane to determine the illumination of the surface. The old circuit board (24 LEDs) was installed on the right, and a new one (48 LEDs) on the left.
 The new exposure times could not be determined precisely due to time constraints, but they will be in the range of 15-20 minutes.</p></div></div><div class=pagination><div class=pagination__title><span class=pagination__title-h>Read other posts</span><hr></div><div class=pagination__buttons><a href=https://blog.privacynerd.de/en/posts/2025/12/bottle-dryer/ class="button inline next">[<span class=button__text>Bottle Dryer?!</span>] ></a></div></div></article></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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 <!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.c4581949edab7810737609fc5568852bcd908945f14561e366dcd2300a370545.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&nbsp;▾</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&nbsp;▾</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 new 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&rsquo;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&rsquo;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&rsquo;ve been around the (electronics) DIY scene for a while, at some point you can&rsquo;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&rsquo;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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