Check out this Joulescope JS220 demo ...

...  created for Embedded World North America 2024 in Austin, TX, USA. We showcase the basic functionality of the JS220 and Joulescope User Interface with some interactive buttons that activate an LED, a fan, and a dancing cactus.

The Joulescope™ JS220 is the most affordable and easy-to-use precision DC energy analyzer. It measures current and voltage, then computes power and energy. Many modern battery-powered devices and IoT devices have a high dynamic current range, which makes accurate measurement difficult. https://youtu.be/Qx4blp_y1Lg