Would you please let me know how I can send signal from android mobile through speaker ?

Please let me know if you need more clarification .

Thanks in advance .

  • 4
    Can you clarify what is it you're trying to achieve? – t0mm13b Mar 20 '13 at 23:32
  • could it be serial port communication? – Huey Nov 2 '14 at 7:37

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