Control volume of external amplifier (e.g. wondom)

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This topic contains 1 reply, has 1 voice, and was last updated by  cyberthom premium 1 week, 5 days ago.

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  • 9. Februar 2020 at 16:27 #48002

    Ist there any way to control the volume of an external amplifier? I am using the raspberry pi with HifiBerry DAC+ Pro. I connected a Wondom JAB3 (TPA250 DSP). I could for instance us an analogue input signal to control the volume of the Wondom amplifier. For that I need to have any chance to get the current volume out of one of the GPIO as an analogue signal.
    Or are there any other implementations, maybe through I2C?
    I searched around, but I could only find the way to control the volume of the raspberry through a rotary encoder or somthing like this. But this would only change the level of the signal coming out of the RSA (Chinch) of the HifiBerry DAC. I would rather like to change the volume directly at the amplifier.

    13. Februar 2020 at 22:31 #48025

    Niemand eine Idee??

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