for Arduino DTMF Shield, DFRobot:DFR0308, køb her 261,25 DKK

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DFRobot

Varenr. DFR0308

DTMF Shield for Arduino

261,25

DKK

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Documents

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.

Specification

Audio socket for application
37x37x9mm（1.46x1.46x0.35"）
Speaker connector for audio sound checking.
Microphone connector for over the air remote control system( note, due to environmental noise, without any filtering system this method is not recommended)

Shipping List

DTMF module x1

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