I have a Pi with Sheepwalk RPi3 adapter running multiple temperature and I/O.  I get random read failures and bus lock up, read failures every day or two, bus lock up every week or so. Currently I have separate power supplies (Meanwell units) for the Pi and the 1-wire and they are both floating.

Question - Is there an advantage in linking the 0v on the two supplies?  Also should the 0v be connected to the mains earth?

Thanks

Mick



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