The probe - Try 1 (not that good, please review try 2)
The probe - Try 2
Proof of work
The big problem with being a maker newbie, is that you have to have equipment. When I started, I bought soldering kit and a multimerter - things that don't cost allot and are very needful to start your first steps. But I believe the most important test equipment one need is oscilloscope, but it also very expensive. So there is a conflict... ...