DTMF Shield For Arduino SKU:DFR0308

 

 

INTRODUCTION

This DTMF Shield is a Dual-tone multi-frequency signaling module decoder for Arduino With

it's audio connector you can decode the crazy funny noises common phones make. If you are not

sure what I'm talking about, imagine a home phone while pressing several of its keys. These

Touch-Tones have a specific frequency or sound that this module can decode. This Shield is a

Audio code system that will allow you to send commands to your Arduino via Audio signal.

Together with GMS / GPRS / GPS shield this module can communicate your Arduino with any

phone land line or Cell phone in the world, within GSM signal range. Which goes as far as your

cellphone.

APPLICATIONS

Its quite convenient to send wireless commands over audio lines, like a phone call. Connected to

our GSM/GPS shield, you could just call your robot and press any button or set of buttons to

enable it.

Connect DFRobot mp3 module to this board to enable audio feedback when pressing keys, or a

welcome message when the phone call is established. Enable GPS geo location mapping, and

DTMF moving functions to have a GSM wireless networking remote controlled robot.

Note: For use with the GSM / GPS / GPRS shield, you will need an audio cable (FIT0113)