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Thread: how i connect nokia earphones to DTMF MT8870

  1. #1

    Default how i connect nokia earphones to DTMF MT8870

    hello,

    actually i hav started a project in which i face a problem to connect the nokia earphones with DTMF MT8870......

    can anybody plz tell me that how can i connect the earphone's wire with the DTMF...

    thanku

  2. #2

    Default Circuit to connect to the mobile phone earphone to mt8870

    Try the attached circuit
    Attached Images Attached Images

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