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Canon EOS 6D hot shoe to 5v logic trigger

Discussion in 'General Electronics Discussion' started by CommanderLake, Jun 21, 2019.

  1. CommanderLake

    CommanderLake

    162
    3
    Oct 2, 2012
    Not sure where this thread should go so please move it if required.
    I'm trying to use the hot shoe of a Canon EOS 6D to trigger a 5v logic circuit for a Picaxe but the pulse from the camera is triangular with a width of about 130nS and a peak of about 950mV which is too small to amplify with anything I have.

    I have:
    OPA197 in a DIP socket
    A few BC547C and BC557C
    2x ZVN3310A

    How could I convert such a small pulse into something a Picaxe can use?
     
  2. CommanderLake

    CommanderLake

    162
    3
    Oct 2, 2012
    Sorry posted too early, I just found out the hot shoe is a switch that closes to trigger the flash.
     
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