MT 8870 with ATMEGA32

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louisfox

Joined May 10, 2011
1
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!!!
 

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mehtadhaval

Joined Sep 21, 2007
9
My project is transceiving DTMF signal via RF,
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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