I love running 40V across 0.5mm pencil lead and watching it evaporate into gas in a flash of blinding white light :)

@skobkin no, 40V but i should have said 3.2A since it is current limited and for short runs of pencil "lead" it is only running at about 5V.

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@skobkin That said I have run it at high voltages of (40ish V) and it goes up almost instantly at that voltage/current. Just not what I'm running it at today.

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