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Control OEM radio from my head unit

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  • Control OEM radio from my head unit

    Hi

    I have same questions about Fusion brain.

    I want to control my oem radio with carpc.(ON,OFF,CD,......)
    This is oem radio plate.


    I want to control this push buttons with fusion brain.
    I m solder wire for each button.

    For do that if i must buy fusion brain and relay for each button?

    Sorry for my english.

  • #2
    Originally posted by boy36 View Post

    For do that if i must buy fusion brain and relay for each button?

    Sorry for my english.
    To do that, you need 1 fusion brain (can handle 16 relays) and then 1 relay for each button

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    • #3
      May not need relays - they're probably all 12V low current. Hard to determine that for sure though.

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      • #4
        I'm using optoisolators for controlling the push buttons for my HVAC unit. This is essentially the same problem as you're having. I just hooked up a 1kOhm resistor to pin 1 of my optoisolator (LAA110 - http://www.clare.com/home/pdfs.nsf/www/LAA110_R09.pdf/$file/LAA110_R09.pdf). It seems to work really well, when the digital output on the fusion brain goes high, the optoisolator (or a solid state relay) connects the terminals, emulating a push button
        PowerVoice v1 | NaviVoice Source
        GammaControl v2.4
        SKINbedder v3

        1995 Lexus SC300

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