Drill through STEEL with a PENCIL using an Arduino?!

Drill through STEEL with a PENCIL using an Arduino?! Yes! superUnknown writes in-

Thanks for getting me interested in Electronics!
I used the Arduino I bought from Adafruit to make a EDM rig. I made a vid to
show a little parlor trick; drilling through a razor blade with a pencil.
Hope you enjoy!

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1 Comment

  1. Jack
    January 13, 2014 at 10:47 pm

    to be fair, that isn’t drilling, its essentially an inefficent plasma cutter

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