In message <[EMAIL PROTECTED]>, Hal Murr ay writes: >>>Measuring current gets tricky. >> Actually not, there are several good chips like the INA197. > >Mostly, what I was trying to point out is that measuring current probably >won't work well with a simple off-the-shelf general purpose A/D via USB setup.
If you hook it to a Hall based current-sensor like the LEM LTSR, then there is no problem with it. >If you were going to build a gizmo for this sort of work, what would you >include? Actually, I am building a gizmo somewhat of that sort: A DC power system for my lab, which can deliver a battery backed +12VDC and +28VDC via switched, metered outputs. :-) -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ 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.
