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IT News<p>Dummy Plug Gets Smarter with Raspberry Pi - [Doug Brown] had a problem. He uses a dummy HDMI plug to fool a computer into thin... - <a href="https://hackaday.com/2025/06/16/dummy-plug-gets-smarter-with-raspberry-pi/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/06/16/dummy-</span><span class="invisible">plug-gets-smarter-with-raspberry-pi/</span></a> <a href="https://schleuss.online/tags/videohacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>videohacks</span></a> <a href="https://schleuss.online/tags/dummyplug" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dummyplug</span></a> <a href="https://schleuss.online/tags/edid" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>edid</span></a> <a href="https://schleuss.online/tags/hdmi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hdmi</span></a></p>
Hacker News<p>Modifying an HDMI dummy plug's EDID using a Raspberry Pi</p><p><a href="https://www.downtowndougbrown.com/2025/06/modifying-an-hdmi-dummy-plugs-edid-using-a-raspberry-pi/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">downtowndougbrown.com/2025/06/</span><span class="invisible">modifying-an-hdmi-dummy-plugs-edid-using-a-raspberry-pi/</span></a></p><p><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HackerNews</span></a> <a href="https://mastodon.social/tags/ModifyingHDMI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ModifyingHDMI</span></a> <a href="https://mastodon.social/tags/EDID" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EDID</span></a> <a href="https://mastodon.social/tags/RaspberryPi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RaspberryPi</span></a> <a href="https://mastodon.social/tags/TechDIY" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TechDIY</span></a> <a href="https://mastodon.social/tags/HomeAutomation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HomeAutomation</span></a></p>
Downes 🍁<p>Any action that denies the humanity of others is wrong. - Andrea Davis <a href="https://mastodon.social/tags/edid" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>edid</span></a></p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://hackers.town/@benbrown" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>benbrown</span></a></span> depends on your workflow.</p><ul><li>Personally, I have a dedicaded <a href="https://infosec.space/tags/HDMI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HDMI</span></a> <a href="https://infosec.space/tags/Recorder" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Recorder</span></a> that does <a href="https://infosec.space/tags/1080p30" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>1080p30</span></a>, but I'd recommend to choose something that uses <a href="https://infosec.space/tags/USB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>USB</span></a>-<a href="https://infosec.space/tags/UVC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UVC</span></a>.</li></ul><p>You can even use a <a href="https://infosec.space/tags/RaspberryPi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RaspberryPi</span></a> with the <a href="https://infosec.space/tags/HDMI2CSI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HDMI2CSI</span></a> adapter board.</p><ul><li>OFC you propably need a splitter so the sending device gets a proper <a href="https://infosec.space/tags/EDID" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EDID</span></a> and doesn't negotiate the wron resolution.</li></ul><p>Don't forget that cracking <a href="https://infosec.space/tags/HDCP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HDCP</span></a> is a legal no-no, but there's no way for anyone to find out...</p><p><a href="https://infosec.space/tags/NotLegalAdvice" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NotLegalAdvice</span></a></p>
Sandfuchsfroschy :autism: :solar_energy: 33.9W/108Wh<p>Hab noch mal versucht den wiederzu beleben, kann aber vom PC aus nicht die EDID neu schreiben also hoffnungslos mit EPROM-Brenner vielleicht aber das macht keinen sinn mehr bei einen Monitor der 2010 gebaut wurde, man könnte noch das über den Kernel machen also dem System eine EDID vorgaukeln.<br><br>Allerdings hab ich einige tolle Quellen für euch:<br><br>Sammlung von <a href="https://social.grautier.com/tags/edid" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EDID</span></a> Backups: <a href="https://github.com/linuxhw/EDID/tree/master" rel="nofollow noopener" target="_blank">https://github.com/linuxhw/EDID/tree/master</a><br>Bischen i2c-tool voodu: <a href="https://blog.voodoo-arts.net/content/edid-informationen-mancher-monitore-sind-falsch-das-kann-man-aber-%C3%A4ndern" rel="nofollow noopener" target="_blank">https://blog.voodoo-arts.net/content/edid-informationen-mancher-monitore-sind-falsch-das-kann-man-aber-%C3%A4ndern</a></p>