Same here, except for the resistor that is 10 Ohm (with telosb). Urs Hunkeler ha scritto: > Hi David, > > I use a high-precision 1 Ohm or 10 Ohm resistor connected in series > between the mote and a laboratory power supply set to 3V. I then measure > the voltage over the resistor with a digital oscilloscope. This allows > me to sample the power consumption at a high frequency and thus > distinguish between different phases of operation (radio turning on vs. > listening vs. actually sending data). > > Cheers, > Urs > > > David Li wrote: > >> Hi, >> >> This is probably an age old question that was asked many times. I did search >> the archive but didn't find exactly what I was looking for. I am using >> TinyOS 2.1 on Ubuntu 9.10 on Iris motes. >> >> What's kind of instruments do people normally use to measure current and >> power consumptions? What's the standard practice to use these on motes >> running TinyOS2.1? >> >> I have heard about NI and Agilent. But I am hoping someone can point me to >> some detailed example or documentation. >> >> Thanks. >> >> David >> > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > >
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