Took a bit longer than expected, but got a pair of controller cards today. I need to make a custom Y-split cable to power them, but hopefully during this weekend I get to test the first skeleton code I wrote earlier. I can't test all the functions as the cards aren't connected to anything, but at least the basic communication and such. Once I get that phase done you could try it with your dome. Did you get the shutter working? Could it be that the link between the cards has become unpaired for some reason?

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