Welcome to this very simple page on how to see if your DTMF decoder is Receiving the DTMF tones ok by flashing a LED this modification
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![DTMF stands for Dual Tone - Multi Frequency and it is the basis for our telephone system. The touch-tone® phone is technically a DTMF generator that. - ppt download DTMF stands for Dual Tone - Multi Frequency and it is the basis for our telephone system. The touch-tone® phone is technically a DTMF generator that. - ppt download](https://images.slideplayer.com/37/10689204/slides/slide_11.jpg)
DTMF stands for Dual Tone - Multi Frequency and it is the basis for our telephone system. The touch-tone® phone is technically a DTMF generator that. - ppt download
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