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DTMF MT8870 Voice Decoding Module Phone Module

DTMF MT8870 Voice Decoding Module Phone Module

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Regular price $4.00 USD
Regular price Sale price $4.00 USD
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This component is ideally suited to adding dual tone multi frequency (DTMF) decoding to your project. This detection module interprets the incoming tone and produces a coded output that can be connected to all manner of microcontrollers.

DTMF is commonly found in touch tone devices such as a phone. The tone is a combination of two separate sine waves that produce a unique signal that can be transmitted or heard. When the module receives the signal it is able to decode it and produce a binary output that can be used in other devices. The module shows the state of the signal through onboard LEDs.

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