Recommended · for some experience
#386 How to measure low Currents for ESP/Arduino? Power Profiler, Otii, µCurrent Gold, Joulescope
Why people recommend it
Andreas Spiess compares tools for measuring tiny and pulsed currents, from the Nordic Power Profiler Kit II to the Joulescope; recommended when a multimeter misses ESP32 current spikes.
Watch for: ESP32 brownout current peaks
In their words
You may also have a look at that video: [video]: It is related to measuring small currents, but at some point, it shows brownout issues with an ESP32 and measures its associated current peaks.
Blup1980 on electronics.stackexchange.com, Jun 2021. CC BY-SA.
This video [video] from Andreas Spies has some comparisons of a few products you might want to look into
Mat on electronics.stackexchange.com, Nov 2021. CC BY-SA.
Andreas Spiess just did a video comparing various products to do just that.
Martin on electronics.stackexchange.com, Jun 2021. CC BY-SA.
