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Please Help with digital lock

Discussion in 'Electronics Homework Help' started by szak1592, Mar 7, 2013.

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  1. szak1592

    szak1592

    2
    0
    Mar 7, 2013
    Please give me some basic info on how to make a digital lock.
    Like in a few steps. Please tell me what is going on in the larger circuit I have attached.
    Also I am going to use a keypad for input 0 to 9, now what do I use to convert it to binary.
    Please give me some basics.
    Thanks
     

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  2. BobK

    BobK

    7,682
    1,688
    Jan 5, 2010
    Welcome to the forum!

    A single microcontroller chip would replace all of that logic and could be programmed to be more flexible.

    Bob
     
    Last edited: Mar 7, 2013
  3. szak1592

    szak1592

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    Mar 7, 2013
    Thanks, Microprocessors are not allowed.
     
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