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Topic: CM8870 DTMF decoder routine using EBL library (Read 2519 times) previous topic - next topic


Here is the code for working with CM8870 DTMF library.

I posted another routine for decoding DTMF from MT8880 Transceiver some days back at http://arduino.cc/forum/index.php/board,22.0.html .

For hardware simply refer to Figure 1. in of the CM8870 IC datasheet.

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