Hal Murray wrote: >> (My goal is to add digital voltage and current monitoring to some >> older bench power supplies.) > > Measuring voltage is simple. If the input range is too big, you need a few > resistors. If it's small, you lose a few bits from the top of the A/D. Add > an op-amp if you need them. > > Measuring current gets tricky.
Fortunately the power supplies in question already have analog voltage and current metering, so I should be able to just tap into the existing shunt resistors, though I may need to do some calibration and scaling. John _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
