> Maybe this has been covered before, but please bear with me... > > I need to measure AC current at 60 Hertz, 0 to 35 amps to approx. 0.1A or so > precision. How might I most easily do such measurement using a > microcontroller? I understand that a voltage measurement across a precision > resistor, or a few wraps of coated wire around a conductor will allow a > current to be calculated, but with AC, isn't the measurement time varying? > Won't the A/D read a constantly varying event and get something between 0A > and peak current? > What am I missing here? > Any links to URLs with similar projects would be welcome. > Thanks for your time. > > Bill K.