On Wed, 18 Sep 2019 21:39:23 -0500 John Hasler <[email protected]> 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
