Media Summary: UPDATE: Marvel at my incredibly bad wiring/breadboard skills and inability to hold a camera! In this iteration of the phone line simulator project, now that the ESP8266 can generate call progress tones, I added a PCF8574 ... DTMF Antenna Switch Encoder Arduino Nano Decoder DTMF MT8870
Arduino Dtmf Decoding Using Mt8870de - Detailed Analysis & Overview
UPDATE: Marvel at my incredibly bad wiring/breadboard skills and inability to hold a camera! In this iteration of the phone line simulator project, now that the ESP8266 can generate call progress tones, I added a PCF8574 ... DTMF Antenna Switch Encoder Arduino Nano Decoder DTMF MT8870
