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  1. #1
    Junior Member
    Join Date
    Aug 2020
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    1

    picoreplayer - squeezelite - 220v wifi plug

    Good day,

    I'm building an amplifier based on a audiophonics evo DAc rpi 4 and picoreplayer.
    I would like to be able to switch off the 2 smps 600rs when the system is turn off via the evo dac.
    I was going to use a relay but in order to make the system simpler I was thing in a 220v connected plug ( like for alexa) and drive them via a 433mhz module or wifi or BT.

    Is it possible?

    Thank you !

    Manu

  2. #2
    Senior Member
    Join Date
    Oct 2005
    Location
    Ireland
    Posts
    19,183
    Lot of people using Pis use a GPIO pin+board to turn/off amps.

    There are Google Home / Alexah alternatives using a wifi enabled socket but depends on the brand. For example I did a simple plugin for TP-link HS100 (all within home no need for any internet) which can be controlled from an LMS menu. see https://forums.slimdevices.com/showt...m-piCorePlayer

  3. #3
    Senior Member Jeff07971's Avatar
    Join Date
    Aug 2011
    Location
    London, England
    Posts
    1,520
    Quote Originally Posted by bpa View Post
    Lot of people using Pis use a GPIO pin+board to turn/off amps.
    If when you say Smpsu 600rs you mean the connexelectronix SMPSU600RS they have a control input which you can drive from GPIO, it'll need a little circuitry but about the same as an EM relay would.

    Possibly use an SSR these can be driven direct from RPi's GPIO quite expensive but really simple.

    RS has a 16A SSR for ú16 which I've used before and works well.

    If you're not an expert be careful with mains voltages or SMPSU's they can bite HARD

    Jeff

    Want a webapp ? Get SqueezeLite-X ! https://forums.slimdevices.com/showt...l=1#post903953

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