This library reads the signals of the MT8870 chip. If data is available one can read it raw or as text. DTMF = Dual Tones Multiple Frequency. These are the tones you hear when you press buttons on ...
[Colin] wanted a way to reliably control an Arduino via ham radio. One of the easiest methods of automated radio control makes use of Dual-Tone Multi-Frequency signalling. To those who aren’t into ...
This project is a home automation system that controls household appliances remotely using Dual Tone Multi-Frequency (DTMF) telephone signals. The idea came from a simple problem: you should not have ...