Does this easy to make Curve Tracer work?

Hope you guys all have a great and safe 4th of July Weekend!
In this video we take a quick look at the simple Octopus type of Curve Tracer circuit. We look at the Op-amp type that I really always go to if needed in the past and then shift over to a very old and simple circuit type. I used a small 6V transformer from an old AB 800T pilot light transformer and its super compact and works pretty good! Thanks for watching!
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