[IMSAI Guy] wants you to build a non-contact scope probe. The cost? Assuming you have a bit of wire and a regular scope probe, it won’t cost you anything. Why do you want such a thing? You can see what he does with it in the video below.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/05/06/non-contact-scope-probe-costs-nearly-nothing/