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The oscilloscopes/how-to-measure-current-with-an-oscilloscope.md article is a great explanation on measuring current. It points out common pitfalls measuring current on a scope. It would be great to tie this in with the Saleae Logic Pro:

• Which of these also apply to a Saleae Logic Pro device?
• Are ground loops a concern?
• Is the ground common among all the channels?
• Show an example of how to configure Logic Pro for a differential voltage calculation

The article also explains calculating and instantaneous current measurement well. By integrating over time, average current drains can also be calculated (more useful in predicting battery life). Is the Saleae software capable of doing this calculation? If not an example of exporting data / calculating offline would be great.