Tag Archives: dtmf

DTMF Detector / Decoder Circuit

Note1: The FCC frowns upon you connecting devices to the telephone system (the old copper line network a.k.a. POTS). In my testing, this device is connected to a small PBX. When I’m done it will be connected to a VoIP … Continue reading

Posted in c-arduino, c-electronics, c-tinys | Tagged | 2 Comments