Maker Pro
Maker Pro

Power/current monitoring

I need to find a piece of equipment that can do something pretty
basic, but I'm having trouble finding anything -- I hope the people
here can point me in the right direction.

I'm working with a small embedded system microcontroller, and would
like to be able to sample current flow / power. Ideally, this would
be something with a computer interface, where data samples could be
downloaded and analyzed. Sampling at 20MHz would probably be
sufficient (in fact, it's probably overkill), where I could plot
power consumption vs. time. These devices run off AA batteries, so
something where I could stick a probe inline with the batteries and
record current flow would be ideal (I could use an external power
supply too if that makes anything easier).

I have absolutely no recent experience with hardware and electronic
monitoring or test equipment, so take it easy on me please -- I
actually have a degree in EE, some of which I even remember, but that
was a couple of decades and what seems like another life ago....

Any pointers?
 
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