> However my application calls for measuring > 10 amps at > 24v which would require a sense resistor of 5 mOhm. How > on earth (apart from a pcb track which I don't think > I will be able to measure or make) do I get 5 mOhm ? My impression has been that at higher currents, you start looking at current transformers or linear hall effect sensors... Still, 10A doesn't seem like it would be THAT high; maybe you're just looking at a sense amp designed for lower currents, and need to find a different part... BillW -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body