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https://revolutionpi.de/forum/viewtopic.php?f=18&t=3118

Is there …?

Would it be possible to operate the IO cards remotely with a cable between the RevPi base module?

Yes, you have to realize this yourself, for example with a maker set:

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The RS485 interface of the PiBridge sometimes delivers a strange signal. It is not rectangular formed, is this normal?

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