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Thread: Laptop Auto Power-On / Turn-On Module

  1. #361
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    please email me pics/diagrams bro.

    thx

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  2. #362
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    I would like the schematics as well.

  3. #363
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    Quote Originally Posted by dmcdlrn View Post
    I would like the schematics as well.
    I hope this works posting a URL, but seems like there's sufficient interesting still on this, so FYI I've uploaded the image to: http://pic80.picturetrail.com/VOL976.../398485238.jpg

  4. #364
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    ^Yep! That's it!

  5. #365
    Who am I? HiJackZX1's Avatar
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    I have a question. I just finished building a multi-zone setup, which requires 600 watts of power. With that being said, I had to use an inverter and desktop PSU. Would this be something that I could use to automate the shutdown and startup process? My other system uses a OPUS 320 so I was going to have the OPUS control the second system also, but something tells me its going to cause headaches.
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  6. #366
    Newbie Cerberus's Avatar
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    Quote Originally Posted by dmcdlrn View Post
    I would like the schematics as well.


    C

  7. #367
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    Cool I have been looking for exactly something like this.

    I have a question for someone who is more technically minded than me. What is the point of the second USB powered relay? I can see how the first twelve volt relay closes for the time that it takes for the capacitor to charge. Once the capacitor is charged the relay will open since the resister will drop the full 12 volts across it. That is as far as the circuit needs to go since we can already have the .5 second closed circuit to the computer.

    Is the USB relay just there to ensure that the circuit is opened as the computer turns on? Isnt this redundant since the 12 volt relay will only be on for .5 seconds anyways? Do we really think that the computer will turn on and then turn off right away if it sees the closed circuit for .5 seconds?

    Enlighten me here please!
    Last edited by jdevo2004; 12-10-2011 at 12:28 PM.

  8. #368
    Low Bitrate Vinster03XR's Avatar
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    Quote Originally Posted by jdevo2004 View Post
    Is the USB relay just there to ensure that the circuit is opened as the computer turns on? Isnt this redundant since the 12 volt relay will only be on for .5 seconds anyways? Do we really think that the computer will turn on and then turn off right away if it sees the closed circuit for .5 seconds?

    Enlighten me here please!
    They are using the ACC in that circuit and not IGN. ACC is powered as long as the car is running. so the USB relay would be for exactly what you mentioned. if you used the IGN circuit then you ware right and don't need the USB relay.

    Vin
    Carputer works... but will never be complete....

  9. #369
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    Is there anyway one could assemble this circuit in a manner that it would create a high current draw? In other words, how important is it that the relays are rated at one amp? I added this circuit on my accessory rail along with my monitor and remote wire. Now, I blow the 7.5 amp fuse for the rail. None of the items on the rail should have much of a draw and I don't believe its a short; everything works for a while if the audio volume is low, but if I crank it up, everything dies.

  10. #370
    Low Bitrate Vinster03XR's Avatar
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    Quote Originally Posted by ace42588 View Post
    Is there anyway one could assemble this circuit in a manner that it would create a high current draw? In other words, how important is it that the relays are rated at one amp? I added this circuit on my accessory rail along with my monitor and remote wire. Now, I blow the 7.5 amp fuse for the rail. None of the items on the rail should have much of a draw and I don't believe its a short; everything works for a while if the audio volume is low, but if I crank it up, everything dies.
    Could be a lot a lot things, but my radio in my Toyota uses a 10 Amp fuse stock... I didn't change it... if you have a #16 power wire then you could do the same.

    as you turn up the volume, the audio amps will draw more and your radio will draw more... is there the possibility that something else could be tapped off the same line as your radio?

    depending on the radio you could top out a 7.5Amp fuse by adding a 1 amp relay.

    Vin
    Carputer works... but will never be complete....

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