Check these out over on that auction site; Item # 112706101220. I bought 3 of them and they seem to work.
73 es HH, Dick, W1KSZ On Wed, Dec 4, 2019 at 2:01 PM jimlux <jim...@earthlink.net> wrote: > Any recommendations or brickbats for devices that measure the power > drawn by USB powered devices. I've been using a modified cable that > breaks out the red wire to run to a meter, but it would be nice to have > something that has a ADC and some sort of interface (USB?) that would > make it possible to log the power draw. > > I've got a bunch of wireless Beagleboards with GPS receivers and RTL-SDR > pods (to do phased array measurements) and I'm trying to come up with > better power information. > > (the recent WiFi NTP low power discussion prompts this). > > What would be great is if there were some USB "thru" pod that measured > this and reported the data over a USB interface (recognizing all sorts > of isolation issues that are possible), so I could plug the USB power > "to" the beagle board and the USB power to the RTL-SDR, and log them both. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
