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HDMI signal detection (lemmy.world)

submitted 3 days ago by Meberem@lemmy.world to c/askelectronics@discuss.tchncs.de

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I have a HDMI breakout board for a cheap and cheerful projector in a Hush box with some automations (turn of fans, dim the lights and the like). This was great, as whenever we turned on the media player - magic!

However due to new HDCP requirements from my partner's favourite app, this solution will no longer work. I have found a HDMI splitter that sorts out the HDCP issue, but CEC traffic isn't passed through and I am at a bit of a loss. I had 2 thoughts:

Open the splitter and wire the CEC lanes
Listen to some of the other pins for Video output

I have no idea if either of those would work, has anyone had any experience with this, or got any advice?

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