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Thread: Question for the experts regarding relays

  1. #1
    FLAC SFiorito's Avatar
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    Question for the experts regarding relays

    Hey guys, I'd like to make use of an old head unit for in dash controls (volume, stations, etc.) so I was looking to use a Phidget interface kit. Now, it's got 5V outputs, but how can I use that to power the 12V power antenna? I don't really know how relays work, but is there such a thing as a relay that is controlled by 5V but uses 12V output? If not what would I need to do? Convert the 5V to 12V and just use a regular 12V relay?

  2. #2
    My man uses Levitra. Peoples's Avatar
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    you use relays as switches....so yes.....you can hook up the relays to connect a 12v feed to your antenna when 5v is applied
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  3. #3
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    thats exactly what its designed to do,
    you use a small circuit wil low power and current draws to control a bigger one,

  4. #4
    My man uses Levitra. Peoples's Avatar
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    like everyone says, goto the12volt.com for more info on relays
    PC Components:
    Lilliput; XPC/FLEX mobo; 1.7 ghz P4 Mobile;512 DDR; 160 gb HDD; opus 150; slot usb dvd-rw
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