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Amazon.com: FTVOGUE DTMF Voice Decoder AE11A04 DTMF Audio Generator Module Voice Dual Encode Transmitter Board 5~24VDC,Encoder : Electronics
GitHub - bert2/DtmfDetection: C# implementation of the Goertzel algorithm for DTMF tone (a.k.a. Touch-Tone) detection and localization in audio data. Includes wrappers and extensions for NAudio.
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How to make DTMF Phone Call Control Home Appliance Using Arduino and GSM Module | GSM DTMF Project - YouTube
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