[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 ...

The DTMF Car Control Project combines telecommunications technology with a remote-controlled car, allowing you to operate the car's movements from a distance. It utilizes DTMF tones generated by a ...

DTMF (Dual Tone Multiple Frequency) Encoder and Decoder informally named as Touch Tone allocates a unique tone to each button on an appliance (made up of two frequencies high and low). The DTMF ...