MT 8870 with ATMEGA32

Discussion in 'Embedded Systems and Microcontrollers' started by louisfox, May 10, 2011.

  1. louisfox

    Thread Starter New Member

    May 10, 2011
    1
    0
    My project is transceiving DTMF signal via RF, but I can not receive the right DATA when testing the receiving circuit with my telephone. Here are my capture and source code.Maybe i made some mistakes in the code. Can you guy please help me!!!
     
  2. mehtadhaval

    New Member

    Sep 21, 2007
    9
    0
    Where is the RF module in the circuit ?

    Plus, check if you're DTMF decoder circuit is working properly (i.e. detecting the right key pressed) and then check the MCU code.
     
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