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You are here: Home / Topics / how to interface remote controller with HT12E and to RF Tx

how to interface remote controller with HT12E and to RF Tx

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Microcontroller › AVR › how to interface remote controller with HT12E and to RF Tx

  • This topic has 3 replies, 4 voices, and was last updated 11 years, 10 months ago by Deepak Gupta.
Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • March 4, 2012 at 3:48 pm #1605
    Naveen Srivastava
    Participant

    how does it works, signal sends through key to encoder? how the converson is made from 12 digit to 1 serial signal, which sends through transmitter to RF receiver…

    March 28, 2012 at 5:36 pm #7345
    D.V.G. Krishna
    Participant

    its very simple dude

     

    serial to parallel convertion

     

    if you want to know more detail

     

    refer to any 8051 book

     

    and try to understand the working of

    “SBUF” register

    June 10, 2013 at 8:18 am #9930
    Shrikant
    Participant

    the encoder ic HT12E basically does parallel to serial conversion.

    The entire setup is a ASK method

    Similarly at the receiver the decoder ic HT12D does serial to parallel conversion after getting the data from the Rx

    Hope this was helpful

    June 25, 2013 at 11:47 am #10028
    Deepak Gupta
    Participant

    Parallel to serial conversion is performed at encoder side. Data is continuously available at data out pin according to 12 input bits.

     

    When key is pressed that particular bit in serial data got changed.

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