I just fried my Duemillanove today. I connected the ground to an oscilloscope that had the case ground shorted to the AC line.
QuoteI just fried my Duemillanove today. I connected the ground to an oscilloscope that had the case ground shorted to the AC line. This is interesting. Were you powering the Duemilanove from the USB port on your PC? I just did some tests on my notebook PCs. The USB shields and ground pins on the FTDIcable seem to be isolated from the AC Mains. I don't see see how that could blow themains breaker.
Maybe kitty's house is mis-wired at one of the outlets? That's the only explanation for your breaker popping.I'd call an electrician.
What do you mean the scope had a fault, that's now fixed. That sounds like very low probability.
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