Name: MT8870 DTMF Audio/Speech Decoding Telephone Module - Rytronics.in
Brand: Amplifiers and Sound Cards
SKU: RY-MT8870AUDIO
Price: 139.00 INR
Availability: InStock

MT8870 DTMF Audio/Speech Decoding Telephone Module

₹139.00 (inc. GST)

In stock

Power Input: 5V Nominal (4.5V – 5.5V)
Onboard 3.5mm jack input Facility
MT8870 Based Frequency Decoder
5 Channel Interface
Detects 0-9, A-D, *, #
LED notifier for Output state
2.54” Pin pitch
Board Dimension: 37 x 25 x 12 mm (l x w x h)

MT8870 DTMF Audio | decoder | Audio

SKU: RY-MT8870AUDIO Categories: Amplifiers and Sound Cards, Audio and Video, Audio Module, Modules, Sensor and Modules

Description

The MT8870 DTMF Audio/Speech Decoding Telephone Module is commonly used to control robots with a mobile phone, it is also used in different kinds of home automation projects where mobile dial pad input is required. This module works as a tone decoder that uses its 3.5 mm audio connector socket to get the input audio signal. It is popularly used for mobile and fixed telephone voice dialing and recording related functions.

Features:

Onboard voice input interface
Low power consumption
Internal gain setting amplifier
Onboard LED, it is very convenient to check the output state.
Adjustable guard time
Central office quality
Onboard 3.5mm input interface
5 Channel interface
On-board MT8870 frequency decoder chip
Power-down mode
Inhibit mode
Onboard audio input interface
Onboard LED lights for output state indicationComplete DTMF Receiver.
Does not require external circuits or wiring, it can be inserted directly into the UNO/MEGA2560/DUE board to use.
12-Digital outputs decode mobile and fixed telephone keys (0-9, * #). Also, another 4 Digital output(ABCD) can use “DTMF Dial” for Software control.

Package Includes:

1 x MT8870 DTMF Audio/Speech Decoding Telephone Module

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