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[Al Rettich]

Has anyone ever seen a push button controller that connects via the GPIO port on a profile?

[David Sturzenbecher]

Can you post a picture of the connector?


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[Al Rettich]

Can you post a picture of the connector?


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[brian maddox]

Can you post a picture of the connector?


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http://akmedia.digidesign.com/support/docs/VENUE_Profile_Guide_v29_69758.pdf

Page 247, 248

Two DB25 connectors. Male connector is GPIO INPUT, Female connector is GPIO OUTPUT because, well, reasons.

[brian maddox]

Has anyone ever seen a push button controller that connects via the GPIO port on a profile?

I think it's assumed that anything like this would be a custom build according to your needs. That being said, these kinds of controllers are super easy to build. Even I can do it, and I'm an idiot.

[David Sturzenbecher]

Could also rig something up with a breakout board…

https://www.winford.com/products/brksd25.php


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[Brian Jojade]

Two DB25 connectors. Male connector is GPIO INPUT, Female connector is GPIO OUTPUT because, well, reasons.

The backwards logic of that angers me a little bit.  Sort of like how DMX is backwards compared to audio lines in the male/female signal flow concept.

[Nikhil Mulay]

The backwards logic of that angers me a little bit.  Sort of like how DMX is backwards compared to audio lines in the male/female signal flow concept.

Certainly a pain in the lower back.. Maybe there was some reason we're not aware of that lighting went the other way.

Sent from my RMX1931 using Tapatalk

[Matthew Knischewsky]

The backwards logic of that angers me a little bit.  Sort of like how DMX is backwards compared to audio lines in the male/female signal flow concept.

One could argue that DMX got it right. Flame suit on!

It mimics the AC distribution scheme. Easy to remember. The output of something doesn't have exposed terminals.

[David Sturzenbecher]

One could argue that DMX got it right. Flame suit on!

It mimics the AC distribution scheme. Easy to remember. The output of something doesn't have exposed terminals.

You don’t have 48V on exposed terminals with the audio config.


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[Jared Bartimus]

Certainly a pain in the lower back.. Maybe there was some reason we're not aware of that lighting went the other way.

Sent from my RMX1931 using Tapatalk

Reducing the chance of damaging the lighting controller?  Bent pins, shorted outputs and static discharge risk is all reduced by putting the female connectors on the controller.

Similarly on an audio mixer the connectors that are more likely to be disconnected/reconnected regularly and left with a loose connector laying around to be accidentally touched/zapped (input lines) has the female connector.

That may not have been the original intent they are some of the benefits you get.

[Matthew Knischewsky]

You don’t have 48V on exposed terminals with the audio config.


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This is true.

But I have gotten a good jolt from an XLR line output under test!

[Marc Sibilia]

The backwards logic of that angers me a little bit.  Sort of like how DMX is backwards compared to audio lines in the male/female signal flow concept.

There is a good engineering reason for doing it that way.  If you accidently short together male input pins with the connector shell while mating the connectors, no harm is done.  If you short together male output pins that are at opposite levels, things can be damaged if the protection circuitry is inadequate.

[Jordan Wolf]

...Maybe there was some reason we're not aware of that lighting went the other way.

Whatever the reason, I'm glad it moved to (predominantly) 5-pin XLR.

Prior to DMX, a lot of shoebox dimmer packs used Microplex - analog control signal on a 3-pin XLR connection that sent power down the line to power smaller lighting boards.

Plug THAT into your mixer and you would be one unhappy camper...

[ProSoundWeb Community]