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help !!!

Discussion in '8051/8951' started by ranauiueee, Dec 1, 2012.

  1. ranauiueee

    ranauiueee New Member

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    how can i operate a relay by at 89c51 micro controller by using proteus ?????
     
  2. Ian Rogers

    Ian Rogers Super Moderator Most Helpful Member

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    Can you program the 89c51? Do you know how to drive a relay via a basic transistor?

    I ask these questions because Proteus will allow a direct drive to the relay ( impossible in the real world )

    Is this just a simple project.. Or is it homework?
     
  3. dengxinjun

    dengxinjun New Member

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    Signal through a triode amplifying MCU can control relay
     

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