{"id":36013,"date":"2025-04-25T11:34:59","date_gmt":"2025-04-25T10:34:59","guid":{"rendered":"https:\/\/prusalab.cz\/?p=36013"},"modified":"2026-10-21T15:02:32","modified_gmt":"2026-10-21T13:02:32","slug":"je-neon-mrtvy-tak-to-ani-nahodou-petr-dolezal-jako-neon","status":"publish","type":"post","link":"https:\/\/prusalab.cz\/en\/je-neon-mrtvy-tak-to-ani-nahodou-petr-dolezal-jako-neon\/","title":{"rendered":"Is Neon Dead? Not a Chance! \u2013 Petr Dole\u017eal (Jako Neon)"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Neon tubes may seem like a relic of the past, but <strong>Petr Dole\u017eal<\/strong>, an up-and-coming electrical engineer and designer, is giving them a new life. At <em>Meet the Makers 22<\/em> he presented his project <strong><a href=\"https:\/\/makerfaire.cz\/makeri\/entry\/1825\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jako Neon<\/a><\/strong>, in which he has spent several years developing his own power supplies for neon signs \u2013 efficient, safe and well designed.<br>Petr is also one of the exhibitors at <strong>Maker Faire<\/strong>, where he presents his solution to the general public and fellow makers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Watch the full recording of the presentation here. \ud83d\udc47<\/p>\n\n\n<em>The video recording is in Czech.<\/em>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Is Neon Dead? Not a Chance! \u2013 Petr Dole\u017eal (Jako Neon)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/TndQejqjVWI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Petr started developing them because the market lacked a solution that was both high-quality and affordable. \u201cIf you want something cheap and good, you basically can\u2019t get it.\u201d His own power supply lights a neon tube while drawing just 2 watts, significantly less than conventional solutions, which consume around 200 W.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">From the first hack to a miniaturised module<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Development took about two years, around 4,000 hours and CZK 20,000 \u2013 a project demanding more in time than in money. Petr started out in the ROH workshop, where he and a colleague tried out the first prototypes. He gradually improved them, from the PCB design and 3D-printed enclosures to the output electronics and the transformer windings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He gradually moved to SMD components and resin 3D prints for greater precision and surface quality. Today the modular architecture even allows power from a power bank, and the whole solution is designed to be on display, with an emphasis on aesthetics too.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">From the workshop to the exhibition hall<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The current version of the power supplies is ready for small series and wider distribution. Petr had some components made in China, but the design and development stayed in his hands. The power supplies come in two product lines (basic and advanced) and, in addition to the modular version, also offer wireless lighting of the tubes via capacitive coupling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The project is gradually attracting attention \u2013 Petr is preparing his own website, and the first orders are coming in not only from the Czech Republic but also from abroad.<\/p>","protected":false},"excerpt":{"rendered":"<p>Neonov\u00e9 trubice mo\u017en\u00e1 p\u016fsob\u00ed jako p\u0159e\u017eitek minulosti, ale Petr Dole\u017eal, za\u010d\u00ednaj\u00edc\u00ed elektrotechnik a\u00a0design\u00e9r, jim d\u00e1v\u00e1 nov\u00fd \u017eivot. Na Meet the Makers 22 p\u0159edstavil sv\u016fj projekt Jako Neon, v\u00a0jeho\u017e r\u00e1mci n\u011bkolik let vyv\u00edj\u00ed vlastn\u00ed nap\u00e1jec\u00ed zdroje pro neony \u2013 \u00fasporn\u00e9, bezpe\u010dn\u00e9 a\u00a0designov\u011b propracovan\u00e9.<br \/>\nPetr je tak\u00e9 jedn\u00edm z\u00a0vystavovatel\u016f na festivalu Maker Faire, kde sv\u00e9 \u0159e\u0161en\u00ed prezentuje \u0161irok\u00e9 ve\u0159ejnosti i\u00a0dal\u0161\u00edm maker\u016fm.<\/p>","protected":false},"author":1,"featured_media":36016,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84,83],"tags":[],"class_list":["post-36013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-maker-faire","category-meet-the-makers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Je neon mrtv\u00fd? 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