more then 555 timer in monostable mode to actuate a relay

Discussion in 'The Projects Forum' started by makelex, Apr 14, 2013.

  1. makelex

    Thread Starter New Member

    Mar 7, 2013
    3
    0
    A part of my project requires to actuate a relay through 555 timer output in monostable mode, i have five monostable timer o/p can i connect all o/p to a single relay coil to actuate it?
     
    Last edited: Apr 14, 2013
  2. #12

    Expert

    Nov 30, 2010
    16,298
    6,809
    I don't think so. 555 timers have active high and active low outputs. If you just connect them together, they will fight. You will have to use steering diodes.
     
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