I think the issue is always that the requirements with these machines are very different and that you never quite get what is needed.
When I build the cape I use on my lathe I sort of used a modular design. I based this on a prototype cape and used those small optocoupler and level shift modules that you get from China for the maker scene. It looks quite like a hack but you might see the three opto modules in the back and the two level shifters here: https://forum.zerspanungsbude.net/download/file.php?id=188366&mode=view There is an external pwm-> 0-10V module as well (not shown) for spindle control I always thought about making this nicer. I would have done it this way: A cape that: - Make PRU and GPIO Pins available in sets of 4? pins on standardized PIN headers + power. - Makes the terminals for connecting the cables available PLUS Small modules for level shift, opto isolation , spindle control (as desired). These would use the standardized connectors on the cape. For this I would actually rely on stuff that is already available (if so). -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/machinekit/924a72de-1889-4396-8e5a-80f5aaf89298o%40googlegroups.com.
