Electronics > Beginners
Potentiometer Range
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vidarr:
Interesting... I use it on my desk to keep the air from blowing my papers away.
AngraMelo:
Hello my friend,

I think it would be rude of me to answer you in Portuguese given that we are in a english forum.
Im also a beginner but I believe I can help you.

If you need assistance with that experiment email me at: thiagomelogomes@yahoo.com.br

tooki:

--- Quote from: vidarr on October 13, 2018, 07:13:42 pm ---I have a recycled potentiometer that I want to use on very simple 3.3-5v projects. Right now, I am only getting a range from 2.9v to 3.10v. I saw some tutorials of people scraping the pots to decrease the resistance, so maybe I could get up to (or closer to) the full 5v? But, I don't see a way to easily do that with the one I have.

--- End quote ---
By the way, scraping the conductive trace in a potentiometer would increase its resistance, not decrease it.
rstofer:

--- Quote from: vidarr on October 14, 2018, 10:59:35 pm ---Interesting... I use it on my desk to keep the air from blowing my papers away.

--- End quote ---

Don't damage it and don't lose it!  Those air capacitors are rare and valuable.  They were used for changing the frequency of radios and such.
ataradov:

--- Quote from: rstofer on October 15, 2018, 02:16:48 pm ---Those air capacitors are rare and valuable.

--- End quote ---
I would argue the valuable part.
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