Please help me to made the simple switch with photo-diode

Discussion in 'General Electronics Chat' started by codon, Feb 22, 2009.

  1. codon

    Thread Starter New Member

    Feb 21, 2009
    1
    0
    Could some one show me how to built the simplest on-off switch using a photo-diode driving 12v replay.When you block the photo-diode,replay will turn on and turn off when unblock the photo-diode.The diode transmitter and photo-diode about 30cm far.Thanks!
     
    Last edited: Feb 22, 2009
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