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InfraRed transmitter

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Discussion in 'General Electronics Discussion' started by Raptor0102, Mar 29, 2016.

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  1. Mar 29, 2016 #1
    Raptor0102

    Raptor0102

    2
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    Mar 29, 2016
    Hi guys, I'm Very new at Electronics and Electronics circuits.
    I'm trying to create a Matrix with an Infrared transmitter.
    I have two issues:

    1) How to calculate the wave-length I need to my InfraRed transmitter While I know the this:

    "Each pulse is turned on and off at a frequency of 38kHz"

    2) How to choose an Infrared transmitter, I have seen many types, My needs are:


    a) Same wave-length as I will caculate from the frequency.
    b) I need a transmitter that can transmit to long distance as much as I can.
    c) I don't mind to spend 15$ for one transmitter as long its good!


    Thanks!!!
     
    Last edited by a moderator: Mar 30, 2016
  2. Mar 29, 2016 #2
    davenn

    davenn Moderator

    13,709
    1,909
    Sep 5, 2009
    I have edited the post to remove reference to very high power IR emitters

    concentrate on IR diodes that are 100mW or less

    knowing where you were heading, I wont hesitate to close the thread again should you
    start going down the same path

    and I want you to describe VERY CLEARLY exactly what your goals are



    Regards
    Dave
     
    Last edited: Mar 30, 2016
  3. Mar 31, 2016 #3
    Raptor0102

    Raptor0102

    2
    0
    Mar 29, 2016
    My goals are: Im trying to control syma107g Helicopter without the remote control but via my arduino uno,
    I want to try to connect InfraRed to my arduino uno, I manged to to do so, But the signal of the Infra was working only for half\one meter from the Heli.
     
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