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  1. #1
    Junior Member
    Join Date
    Nov 2016
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    7

    12v Trigger to turn On or Off an amplifier.

    Hello,

    I have a computer with LMS installed, and some platines connected to make a multiroom environment. I would like to know if it's possible for LMS to detect that a platine is playing something and automatically trigger the corresponding amplifier (12v trigger input).

    Maybe a plugin that coold make use of a headphone (or selectable computer output?), or maybe of a USB digital I/O hardware ??

    That would be a great feature associated with a 12V relay circuit.

    Thank you for your help or suggestion.

    mathojojo

  2. #2
    Junior Member
    Join Date
    Dec 2016
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    The Netherlands
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    24
    Quote Originally Posted by mathojojo View Post
    Hello,

    I have a computer with LMS installed, and some platines connected to make a multiroom environment. I would like to know if it's possible for LMS to detect that a platine is playing something and automatically trigger the corresponding amplifier (12v trigger input).

    Maybe a plugin that coold make use of a headphone (or selectable computer output?), or maybe of a USB digital I/O hardware ??

    That would be a great feature associated with a 12V relay circuit.

    Thank you for your help or suggestion.

    mathojojo
    +1
    Very interested as I am still thinking on buying an all-in-one solution (Odroid C2 + Soekris DAC + Hypex Ncore).
    I don't know if any GPIO pins already put on voltage depending on wether it is in use one way or the other.

  3. #3
    Junior Member
    Join Date
    Aug 2011
    Posts
    8
    Quote Originally Posted by Videopac View Post
    +1
    Very interested as I am still thinking on buying an all-in-one solution (Odroid C2 + Soekris DAC + Hypex Ncore).
    I don't know if any GPIO pins already put on voltage depending on wether it is in use one way or the other.
    In squeezelite there's an option to switch a gpio port to high or low.

    ô-G <Rpi GPIO#>:<H/L> Specify the BCM GPIO# to use for Amp Power Relay and if the output should be Active High or Lowô

    Perhaps this solves your problem?

  4. #4
    Senior Member
    Join Date
    Apr 2013
    Location
    UK
    Posts
    1,206
    Or, leave them on!


    Transcoded from Matt's brain by Tapatalk
    --
    Hardware: 3x Touch, 1x Radio, 2x Receivers, 1 HP Microserver NAS with Debian+LMS 7.9.0
    Music: ~1300 CDs, as 450 GB of 16/44k FLACs. No less than 3x 24/44k albums..

  5. #5
    Senior Member Jeff07971's Avatar
    Join Date
    Aug 2011
    Location
    London, England
    Posts
    1,053
    Quote Originally Posted by mathojojo View Post
    Hello,

    I have a computer with LMS installed, and some platines connected to make a multiroom environment. I would like to know if it's possible for LMS to detect that a platine is playing something and automatically trigger the corresponding amplifier (12v trigger input).

    Maybe a plugin that coold make use of a headphone (or selectable computer output?), or maybe of a USB digital I/O hardware ??

    That would be a great feature associated with a 12V relay circuit.

    Thank you for your help or suggestion.

    mathojojo
    Platines ? This appears to mean Turntable is it supposed to mean players ? if so which players ?
    Players: SliMP3,Squeezebox3 x3,Receiver,SqueezeLiteX,PiCorePlayer x3,Wandboard
    Server: LMS Version: Latest Nightly on Centos 7 VM on ESXi 6.5.0U1 on Dell T320
    Plugins: AutoRescan/BBCiPlayer/PowerSave/PowerSwitchIII/Squeezecloud/Spotty/Player Groups
    Remotes: iPeng9/Orangesqueeze/PC/Jivelite/SqueezeLiteX
    Music: 522GB,1660 albums with 23087 songs by 5204 artists mostly FLACs

    Want a webapp ? See http://forums.slimdevices.com/showth...Webapp-for-LMS

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