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Discussion in 'Microcontrollers, Programming and IoT' started by chirag vishwakarma, Feb 27, 2017.

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  1. chirag vishwakarma

    chirag vishwakarma

    Feb 27, 2017
    I want to know how 32 Input ground (4 Ic 251) and 48 Output High ( 6 Ic 259) And a decoder ic, Can be used be controlled by arm processor minimum 3 To 6 Pin connection.
    Last edited: Feb 27, 2017
  2. Wilksey


    Mar 3, 2010
    Your question makes no real sense!
    Put a bit of meat into it and explanation and maybe someone will reply.
    davenn likes this.
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