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 Post subject: put in a potentiometer
PostPosted: 01.10.2005 14:56 
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Junior Modder
Junior Modder

Joined: 01.10.2005 14:52
Posts: 24
in this:

http://www.metku.net/index.html?sect=vi ... /index_eng

i want to change the 47k resistor to a potentiometer, so I can change the speed of the leds.

And i wonder how should i do, cause a potentiometer has three legs


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 Post subject:
PostPosted: 01.10.2005 15:05 
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Site Admin
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Joined: 24.01.2002 10:09
Posts: 4683
Location: Finland
Use the center leg and then one from the either end. That will then change the resistance from 0 ohms to the maximum of the potentiometer. As that ~0 ohms is bit useless, you can place for example a 22 kilo-ohm resistor in series with all this and then have 22kohm-max of the potentiometer range in use.

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 Post subject:
PostPosted: 02.10.2005 16:28 
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Junior Modder
Junior Modder

Joined: 01.10.2005 14:52
Posts: 24
ok, which one of these are right:

http://surl.se/ssu

if none of them are right please do one for me


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 Post subject:
PostPosted: 02.10.2005 17:05 
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Both will work as the order doesn't matter when working with resistors in series.

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Main Computer: Intel i5, MSI H55M-ED55, 12 Gigabytes of DDR3, 3 Terabytes of HDD, GTX295 and Benq 27"


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 Post subject:
PostPosted: 02.10.2005 20:01 
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Junior Modder
Junior Modder

Joined: 01.10.2005 14:52
Posts: 24
lol, i knew that :P


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