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PCB and potentiometer question

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Discussion in 'PCB Layout, Design and Manufacture' started by McDroogie, Dec 25, 2012.

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  1. Dec 25, 2012 #1
    McDroogie

    McDroogie

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    Dec 25, 2012
    I have a question regarding the placement of the potentiometer pictured below. There are three solder points for each placement (RV1 and RV2), however I see an extra one in the middle. Is this one supposed to be a stand alone solder point or am I missing something?

    Also I am not sure if it is even a potentiometer. If it is, am I supposed to connect something external to it so I can physically control the current?
     

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  2. Dec 25, 2012 #2
    (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    I'm pretty sure you'll find those two "middle" connections are connected together. It allows you to use a vertical mount trimpot, or a horizontal mount trimpot (like the one you have) to be fitted here.
     
  3. Dec 26, 2012 #3
    McDroogie

    McDroogie

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    Dec 25, 2012
    I did not solder those two points. The pots work fine.
     
  4. Dec 26, 2012 #4
    (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    You need to solder all three leads.
     
  5. Dec 26, 2012 #5
    McDroogie

    McDroogie

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    Dec 25, 2012
    I soldered all three. I just didn't solder the middle copper points in between the three.
     
  6. Dec 26, 2012 #6
    (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Yep, that's right
     
  7. Dec 26, 2012 #7
    McDroogie

    McDroogie

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    Dec 25, 2012
    But what is the purpose of the two copper points in the middle of the pots?
     
  8. Dec 26, 2012 #8
    Relayer

    Relayer

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    Dec 15, 2012
    They are used, as steve has already pointed out, for placement of horizontal trimpots.
    The makers of the kit allow for a variety of pots.
    Regards,
    Relayer :D
     
  9. Dec 27, 2012 #9
    (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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