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  1. Detect audio (voltage)

  2. Send IR command (switch receiver input)

Features

  • Learn IR Command
  • Adjust detection sensitivity

Result - When a Sonos Connect zone is activated it switches receiver to the correct input.

Any tips for easy (simple) execution? I have limited electrical engineering experience. My first thought is intercept once channel on the RCA out and run them to a microphone interface, where I remove the microphone and wire it to RCA. Detect audio using microphone interface then build out IR system.

Or go Arduino with ADC

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