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Thread: AMPCTRL via USB to serial adapter

  1. #11
    What can I say? I like serial. Curiosity's Avatar
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    My TMR-4 would work as a delay on and could actually be powered by the DLYON output and replace the relay driving the amp remote wires making it all clean and simple, but he can adjust the DLYON. That's not the problem. It's standby. A timer could add a delay allowing for more adjustment but it can't do anything during standby because the power supply doesn't change state.

    The TMR-4 trigger could actually be connected directly to the LED for example without interfering with it, then the timer can be adjusted to delay off that input. Like say 2 seconds from turn on and 0 from off.

    The main requirement for this is to have the amps turn on after the audio device powers up and charges all the capacitors, and turn off at the exact same time it powers off or sooner if that were possible.

  2. #12
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    _Dejan_'s Avatar
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    In my car I use USB Relay from Madboy link. Im write simple plugin for Centrafuse for it. I use it to turnig on my amplifiers. I can adjust delay, turn on/off with centrafuse, manual turn on/off...

  3. #13
    What can I say? I like serial. Curiosity's Avatar
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    That would be the best option because you can switch it off before entering standby or shutting down and after resuming plus you can adjust the delay a bit if it turns on too soon.

  4. #14
    Who am I? HiJackZX1's Avatar
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    Quote Originally Posted by J_Eatwell View Post
    wow madboy, that USB relay looks to be exactly what i need.

    Do you, or anyone else know if this USB relay could be used in conjuction with the AMPCTRL software? Upon installation of the USB driver, this relay creates a virtual COM3 port.

    Also the three relay contacts on the USB component are labeled NC, C, and NO

    im guessing C would be Control (again its a guess)

    Are these standard acronyms used with relays? or does someone have a similar product for reference?
    I use a USB relay to shut off my powered VGA splitters. As for my amps, i use a PAC-TR4 connected to a serial port. Problem is alot of motherboards are phasing out Com ports. When I bought my Zotac it has no Com port, so I thought. I bought a Serial to USB converter but this one acts like a real serial port. My understanding is that the cheapy converters dont work. My serial to usb is called a Keyspan USB 4-port Serial Adapter. It works with my HD Radio and XM Radio via Mitch's serial cables. I have to assume that AMPCTRL works since HD Radio and XM work and they need specific stuff from the usb to serial device in order to emulate properly, the cheapies dont offer that sometimes. Only reason I didnt test the AMP_CTRL was because it turns out the MoBo had a Com Port on a header, and since my car is wired a specific way, it saved me time.

    Quote Originally Posted by _Dejan_ View Post
    In my car I use USB Relay from Madboy link. Im write simple plugin for Centrafuse for it. I use it to turnig on my amplifiers. I can adjust delay, turn on/off with centrafuse, manual turn on/off...
    I forgot all about your plugin. I am going to have to try that out because I prefer my screens to turn on when CF is on.

    PS: Kind of a side question, so AMP_CTRL does work with Win 7? It is the only program that was keeping me on XP because I need this to activate my amps.
    Nirwana Project, the Android/Win 7 hybrid system!

    1X Ainol Novo Flame Tab
    4X MK808b
    3x Perixx Touchpads
    3x 7 inch Screens
    1X 7 inch motorized Screen
    1x Win 7 PC

  5. #15
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    wow guys thanks for all the replies and the ideas. Just got back for the weekend and read all the posts, and im torn between using the USB relay and curiosity's idea: using the sound card's LED.

    I have to go out to the garage today (i took the weekend off) and ill take note of when the LEDs turn on/off so that i can decide if this solution will work for me.

    While the LED trick requires an optocoupler and some soldering, i feel more comfortable with soldering etc. than i do with writing software (what i would have to do to integrate the USB relay into my RR shell)

    On the other hand, this USB relay is (hardware-wise) the simplest solution, and if i was able to write a plugin to automate the relay, i think it would be pretty cool being able to manually power on/off my amps from a menu button in RR.


    Does anyone use this USB relay and also RR? maybe there is already a plugin? or possibly I could modify the plugin used for CF? i am NO programmer

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