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Coool, very nice again, Jack.

Hey - did you know you can record the variac's output into your TC4's analog input? :) I'm not sure if roastlogger will then let you track this, but if it does, it'd be cool.

I just did this having a variac controll fan speed, following a similar setup introduced to me by Jim and Allen:
http://code.googl...onitor.jpg

Well, it's nearly identical.. and the results (I'm really proud, project worked out and I didn't blow anything up or burn myself!):