Effective digital signage depends on readability and visual impact. Experts recommend several "golden rules" for developing signage text: eldertek/scovie - Digital Signage for High Schools - GitHub

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Avoid Android TV sticks (under $50). While cheap, they often overheat, lack hardware acceleration for open source codecs, and run outdated Android versions unpatched against security vulnerabilities.

Open-source digital signage offers a flexible, cost-effective alternative to proprietary systems by allowing users to modify source code and avoid recurring licensing fees. These systems typically consist of a Content Management System (CMS) to design and schedule layouts, and a Media Player that renders the content on a display. Popular Open-Source Solutions Anthias (formerly Screenly OSE)