Systems now have to run forever from a measly electron or two. Some MCUs only need tens of microamps/MHz. So, how much current does your system require?
Back in 2013 I wrote about the Real-Time Current Monitor (RTCM), an inexpensive tool for measuring the current consumed by low-power electronic devices. There’s a new version of the RTCM which, among other things, adds USB connectivity for both control, and display of voltage, current and power. Like the older unit,
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