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Thanks for the reference. I get a lot from IEEE but missed that one.
"not working" was my first text, but (obviously) not what got posted. It took me surprisingly long to figure out that the resistor values were selected by sliding the box at the top. I think that the resistor captcha would be more obvious to a human (an no less automatically parseable to a ‘bot) if there were some graphic indicator (an arrow?) on the sliders.
Is this episode going to be uploaded to Vimeo? – Apologies if it’s already there but I can’t find it!