> > > What it your requirement for the current proble? I believe the current > measuring range/bandwidth/resolution will be the major problem and make > the probes expensive. Those cheap ones, for examples, hall current > sensors, > do not normally measure down to a few milliamps. > > Regards, > Xiaofan > 5mA to 1A or so... Regards, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist