Low Pass/High Pass Filter Calculator - DigiKey

https://www.digikey.nl/en/resources/conversion-calculators/conversion-calculator-low-pass-and-high-pass-filter

Measuring inductance with an oscilloscope and signal generator👍

https://www.youtube.com/watch?v=iQQe8uSZ8xc

Apr 22, 2020 Here I show you an easy way to measure inductance using a signal generator and oscilloscope, if you don’t have an LCR meter. In my case I wanted to check the inductance of a small inductor that my component tester couldn’t read.

Here is an explanation of how this formual works: https://www.dos4ever.com/inductor/inductor.html

By https://www.youtube.com/@ScottMarley

Measuring inductance with a frequency-meter (multimeter) 👍👍

https://www.youtube.com/watch?v=1YLepeKbFeQ