change ciruit into pcb

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Discussion in 'The Projects Forum' started by _ian_g_, Nov 27, 2006.

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  1. Nov 27, 2006 #1
    _ian_g_

    Thread Starter New Member

    Oct 14, 2006
    5
    0
    how do u change a photo transistor circuit using Lm 324 op amp with using 4 leds and it comes on in the dark thank u
     
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  2. Nov 27, 2006 #2
    beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    293
    Hi,

    You say "change a ... circuit". If you can post the circuit, perhaps we can make suggestions.
     
    #2 Reply
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