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MT8870 DTMF Voice Decoder Module
MT8870 DTMF Voice Decoder Module
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The MT8870 based DTMF (Dual Tone Multi-Frequency) decoder 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 indication Complete 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.
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X2 Robotics is a supplier of electronic parts and components in Canada. We carry a large selection of open source electronics such as Adafruit, Arduino, Pololu, Raspberry Pi, SparkFun and more. We ship orders to anywhere in Canada or the United States.
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