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  • @DrAzzy, if no load is on the 12V output you can see some nasty spikes on the 5V supply. I have observed this behavior myself, but others have also reported this like Paul Stoffregen at PJRC. It might be universal in the sense that the PSU design is pretty standard - they must provide the bulk of the power at 12V. However I have not seen it go past 9-10V so if your regulator/device can cope with this, you might never notice :)


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