Re: confused, seems to be my normal state
On Wed, 18 Sep 2019 21:39:23 -0500
John Hasler <jhasler@newsguy.com> wrote:
> Joe writes:
> > What would be a real pain is actually accessing HDMI signals while
> > the thing is running. It's no good just looking into a connector,
> > it needs to see something hanging on the end before it will power
> > up and activate.
>
> Well of course he'd have to build a breakout box. Trickier than RS232
> but straightforward enough as long as you know how to deal with UHF
> and impedance matching as Gene clearly does.
>
It's still a pain. Almost the only available HDMI plugs are PCB mount,
and a real nuisance to solder wires to. I have made a couple of (very
short) HDMI cables by hand.
Easier to buy another cable and Pi.
> An rf voltmeter would suffice to determine if the lines are waggling.
--
Joe
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