Dtmf decoder circuit Dtmf & arduino: answer, listen for code, reply. Dtmf based home automation circuit
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Circuit diagram for decoding the dtmf tones
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DTMF Decoder MT8870 | Circuits4you.com
![Pin configuration of MT8870 DTMF decoder 2.2.1 DTMF Decoder Circuit](https://i2.wp.com/www.researchgate.net/profile/Bernard_Okon/publication/307477088/figure/download/fig1/AS:401080581148674@1472636470791/Pin-configuration-of-MT8870-DTMF-decoder-221-DTMF-Decoder-Circuit-Unit-design-Figure-6.png)
Pin configuration of MT8870 DTMF decoder 2.2.1 DTMF Decoder Circuit
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MT8870DE Integrated DTMF Receiver
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dtmf circuit Page 2 : Telephone Circuits :: Next.gr
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DTMF Decoder Circuit - YouTube
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embedded - Multiple DTMF circuit interfaced to one microcontroller