Today's hardware WTF: HDMI monitor deliberately back-feeding 5V power to the source. Through a diode, even. Why on earth‽
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sounds pretty cool for a raspberry or something tbh
Yeah except the Raspberry isn't designed for that and doesn't actually run on 5V through HDMI, but it tries to, and then it won't shut down when you pull the power, nor reboot properly when you power it again, and you have to disconnect HDMI every time.
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but can you start it with just hdmi power?
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Nope.
End of conversation
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Ahh, the joys of parasitic powering stuff through the ESD protection diodes :-)
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Pretty sure this is going through a FET straight to the 5V rail or something (maybe not even a FET). It's not data, it's a power rail.
End of conversation
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