Robuta

https://www.tinkercad.com/things/33RB5mfcJyI-
Circuit design Merlin's Magic Square (EEVBlog) created by milezeemoo with Tinkercad
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https://www.eevblog.org/eevblog.php?watch=EEVblog537-SKA-PAF-640x360.m4v
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