[sdiy] Cooking pots

aankrom aankrom at bluemarble.net
Mon Sep 12 07:08:28 CEST 2011


 How much resistance do you actually need? Maybe just add a resistor in 
 series with that end. Or just try the pots as is?

 AA


>> Has anyone here tried to get increased resistance on pots by 
>> intentionally driving them with too much current and burning off the 
>> conductive material?
>>
>> I've got a circuit with quad 20k pots and I need to add some 
>> resistance to one side of one path.  The exact value isn't critical.
>>
>> epk
>
> Yeah, that sounds like a Really Bad Idea. How about using the 20K pot
> to drive a vactrol (or homebrew LED / photocell combo)? With a
> photocell and a fixed resistor in parallel, you should be able to get
> pretty much any resistance you want.
>
>
> Tim (I'LL be the one proposing the really bad ideas around here, 
> thank
> you) Servo




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