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That's a large array of pins.
The Soft Switch only really needs 40 col Video, 80 Col Video in/out and -5V.
The rest of the signals (+5V and ground) can be picked up from the 9334 chip.
I would guess your selling these???
I would be interested....
MarkO
Maybe one or two. I need at least 2-3 of them myself to go along with the 80 column cards I am also building which are covered in a different thread.
I hadn't really intended on trying to sell any of these. My experience with trying to sell anything has been poor lately.
I would buy one...
Other sellers are already selling them on eBay for around what it costs me to build them so it doesn't appear to be worth the time. That's pretty much been my experience lately.
This?
http://tinyurl.com/3x3wtaz3
Those are direct ripoffs from my Github project.
But they do work as advertised. And the ebay seller did give me credit for the design, so I'm satisfied.
It's tough out there. But for less than $12 you can get ten boards made at JLCPCB or PCBWAY including shipping.
For another $15 or so you can buy the components and build one of those 10 boards up. And you still have 9 blank boards.
Members of the community would likely buy those off of you because they're not experienced with dealing with a PCB fabrication shop, but it's pretty easy to do it these days.
My own built-up board is home-etched (because it was satisfying to do) and it looks like a dog's breakfast, but it does work.
I have found it pleasurable to design pcbs using a utility like KiCAD, which makes the process really quite simple (once you get around the designed-by-committee- idiosyncrasies of the software)