The project is meant to do switchin of different devices such that when a certain key is pressed, a given device, say A, is switched on and wen another is pressed another key is pressed....around 4 devices.
You don't need DTMF to do this.
The project is meant to do switchin of different devices such that when a certain key is pressed, a given device, say A, is switched on and wen another is pressed another key is pressed....around 4 devices.
You don't need DTMF to do this.