Saturday, February 20, 2010

IR Audio Transmitter



This is very useful circuit you can transmit audio signals by using this circuit.You can send signals for about 4m.Q1 can be PNZ154, PNA1605F, BPW77NA or BPW85.




Note

# this circuit can be operated with 9V power supply
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4 comments:

  1. KiranMarch 25, 2012 at 7:13 PM

    sir the transmitter should point the receiver or from anywhere the signals can be transmitted and received?

    ReplyDelete
  2. ZamMarch 28, 2012 at 7:47 AM

    you have to aim the transmitter towards the receiver.

    ReplyDelete
  3. UnknownDecember 28, 2012 at 11:13 PM

    can i use IR sensing LED instead of transister in receiver????

    ReplyDelete
  4. UnknownDecember 28, 2012 at 11:19 PM

    can i use 3mm IR LED with 5mm IR receiver LED??????

    ReplyDelete