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Tools to check current [uA]

Discussion in 'Microcontrollers, Programming and IoT' started by jacobkats, Nov 29, 2017.

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  1. jacobkats


    Nov 29, 2017
    Hi all,

    I am currently developing a system which includes some components and a Micro-Controller.
    I would like to know what tools can be used to measure the exact current being consumed by the system (the system uses 2 regimes : Active and Sleep. I need to check the current being consumed in both of them. Sleep mode current units should be at range of [uA]).

  2. BobK


    Jan 5, 2010
    An Ammeter with a μA range perhaps?

    Both of my modest level multimeters will read down to 1/10 th of a μA. Just tried it with a 1Meg resistor and 0.3V source, which was as low as my variable power supply would go. Both read 0.3 on the μA range.

    Last edited: Nov 30, 2017
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