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IR sensor query

Discussion in 'General Electronics' started by sandeepanand, Sep 26, 2004.

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  1. sandeepanand

    sandeepanand Guest

    hi
    I m working with 38 Khz IR sensor . I dont know how to supply
    such a frequeny using IR LED, can any body help me (ckt required)


    thanks
     
  2. CFoley1064

    CFoley1064 Guest

    Subject: IR sensor query
    VCC VCC VCC
    + + +
    | | |
    .-. | |
    | | .----o---o---.
    27K| | | 8 4 |
    '-' | | VCC
    | | | +
    o-----o 7 | ~ |
    | | | ___ ~ |
    .-. | 3 o-|___|--|<----'
    | | | 555 |
    4.7K| | | |
    '-' .--o 6 |
    | | | |
    o--o--o 2 |
    1nF | | |
    or --- | 1 5 |
    --- '----o---o---'
    ..001uF| | |
    === === ===
    GND GND GND
    created by Andy´s ASCII-Circuit v1.24.140803 Beta www.tech-chat.de
     
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